Question 1: Palette 1/324

Errorless NEET 2024 MCQ

In the given figure, which component has thin outer walls and highly thickened inner walls [NCERT Pg. No. 72]

A

C

B

D

C

A

D

B

Question 2: Palette 2/324

Errorless NCERT Pg. No. 72; NEET 2024 MCQ

In the given figure, which inner components of the cell have thickened inner walls and highly thickened inner corners? Statement I : Parenchyma is living but collenchyma is dead tissue. Statement II : Gymnosperms lack xylem vessels but presence of xylem vessels is the characteristic of angiosperms. In the light of the above statements, choose the correct answer from the options given below

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

E

If assertion is false but reason is true.

Question 3: Palette 3/324

Errorless NEET 2024 MCQ

Bulliform cells are responsible for [NCERT Pg. No. 77]

A

Inward curling of leaves in monocots

B

Protecting the plant from salt stress

C

Increased photosynthesis in monocots

D

Providing large spaces for storage of sugars

Question 4: Palette 4/324

Errorless NEET 2023 MCQ

Given below are two statements Statement I : Endarch and exarch are the terms often used for describing the position of secondary xylem in the plant body. Statement II : Exarch condition is the most common feature of the root system In the light of the above statements, choose the correct answer from the options given below

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

E

If assertion is false but reason is true.

Question 5: Palette 5/324

Errorless NEET 2023 MCQ

Identify the correct statements
(A) Lenticels are the lens-shaped openings permitting the exchange of gases.
(B) Bark formed early in the season is called hard bark.
(C) Bark is a technical term that refers to all tissues exterior to vascular cambium.
(D) Bark refers to periderm and secondary phloem.
(E) Phellogen is single-layered in thickness.
Choose the correct answer from the options given below

A

A and D only

B

A, B and D only

C

B and C only

D

B, C and E only

Question 6: Palette 6/324

Errorless NEET 2023 MCQ

Assertion: Late wood has fewer xylem elements with narrow vessels. Reason: Cambium is less active in winters.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

E

If assertion is false but reason is true.

Question 7: Palette 7/324

Errorless NEET 2022 MCQ

In old trees the greater part of secondary xylem is dark brown and resistant to insect attack due to
(A) Secretion of secondary metabolites and their deposition in the lumen of vessels
(B) Deposition of organic compounds like tannins and resins in the central layers of stem
(C) Deposition of suberin and aromatic substances in the outer layer of stem
(D) Deposition of tannins, gum, resin and aromatic substances in the peripheral layers of stem
(E) Presence of parenchyma cells, functionally active xylem elements and essential oils

A

D and E only

B

B and D only

C

A and B only

D

C and D only

Question 8: Palette 8/324

Errorless NEET 2022 MCQ

Read the following statements about the vascular bundles
(A) In roots, xylem and phloem in a vascular bundle are arranged in an alternate manner along the different radii
(B) Conjoint closed vascular bundles do not possess cambium
(C) In open vascular bundles, cambium is present in between xylem and phloem
(D) The vascular bundles of dicotyledonous stem possess endarch protoxylem
(E) In monocotyledonous root, usually there are more than six xylem bundles present

A

A, B, C and D only

B

A, C, D and E only

C

A, B and D only

D

A, B, C, D and E only

Question 9: Palette 9/324

Errorless NEET 2022 MCQ

The anatomy of springwood shows some peculiar features. identify the correct set of statements about springwood
(A) It is also called as the earlywood
(B) In spring season cambium produces xylem elements with narrow vessels
(C) It is lighter in colour
(D) The springwood along with autumn wood shows alternate concentric rings forming annual rings
(E) It has lower density

A

A, B and D only

B

C, D and E only

C

A, B, D and E only

D

A, C, D and E only

Question 10: Palette 10/324

Errorless NEET 2021 MCQ

Which of the following is an incorrect statement

A

Microbodies are present both in plant and animal cells

B

The perinuclear space forms a barrier between the materials present inside the nucleus and that of the cytoplasm

C

Nuclear pores act as passages for proteins and RNA molecules in both directions between nucleus and cytoplasm

D

Mature sieve tube elements possess a conspicuous nucleus and usual cytoplasmic organelles

Question 11: Palette 11/324

Errorless NEET 2021 MCQ

Match Column-I with Column-II

Column-I	Column-II
(A) Lenticels (B) Cork cambium (C) Secondary cortex (D) Cork	(P) Phellogen (Q) Suberin deposition (R) Exchange of gases (S) Phelloderm

A

A−R, B−P, C−S, D−Q

B

A−Q, B−R, C−S, D−P

C

A−R, B−Q, C−P, D−R

D

A−S, B−P, C−R, D−Q

Question 12: Palette 12/324

Errorless NEET 2021 MCQ

Match Column-I with Column-II

Column-I	Column-II
(A) Cells with active division capacity (B) Tissue having all cells similar in structure and function (C) Tissue having different types of cells (D) Dead cells with highly thickened walls and narrow lumen	(P) Vascular tissues (Q) Meristematic tissue (R) Sclereids (S) Simple tissue

A

A−S, B−R, C−Q, D−P

B

A−P, B−Q, C−R, D−S

C

A−R, B−Q, C−S, D−P

D

A−Q, B−S, C−P, D−R

Question 13: Palette 13/324

Errorless NEET 2021 MCQ

Select the correct pair

A

In dicot leaves, vascular Conjunctive tissue bundles are surrounded by large thick-walled cells

B

Cells of medullary rays Interfascicular that form part of cambium cambial ring

C

Loose parenchyma cells Spongy rupturing the epidermis parenchyma and forming a lens shaped opening in bark

D

Large colourless empty Subsidiary cells cells in the epidermis of grass leaves

Question 14: Palette 14/324

Errorless NEET 2020 MCQ

The transverse section of a plant shows following anatomical features
[NCERT Pg. No. 76]
(i) Large number of scattered vascular bundles surrounded by bundle sheath
(ii) Large conspicuous parenchymatous ground tissue
(iii) Vascular bundles conjoint and closed
(iv) Phloem parenchyma absent

A

Dicotyledonous root

B

Monocotyledonous stem

C

Monocotyledonous root

D

Dicotyledonous stem

Question 15: Palette 15/324

Errorless NEET 2020 MCQ

Identify the incorrect statement

A

Due to deposition of tannins, resins, oils etc., heart wood is dark in colour

B

Heart wood does not conduct water but gives mechanical support

C

Sapwood is involved in conduction of water and minerals from root to leaf

D

Sapwood is the innermost secondary xylem and is lighter in colour

Question 16: Palette 16/324

Errorless NEET 2019 MCQ

Phloem in gymnosperms lacks

A

Albuminous cells and sieve cells

B

Sieve tubes only

C

Companion cells only

D

Both sieve tubes and companion cells

Question 17: Palette 17/324

Errorless NEET 2019 MCQ

Xylem translocates

A

Water only

B

Water and mineral salts only

C

Water, mineral salts and some organic nitrogen only

D

Water, mineral salts, some organic nitrogen and hormones

Question 18: Palette 18/324

Errorless NEET 2018 MCQ

Secondary xylem and phloem in dicot stem are produced by

A

Apical meristems

B

Vascular cambium

C

Phellogen

D

Axillary meristems

Question 19: Palette 19/324

Errorless NEET 2017 MCQ

The vascular cambium normally gives rise to

A

Phelloderm

B

Primary phloem

C

Secondary xylem

D

Periderm

Question 20: Palette 20/324

Errorless NEET 2017 MCQ

Identify the wrong statement in context of heartwood

A

Organic compounds are deposited in it

B

It is highly durable

C

It conducts water and minerals efficiently

D

It comprises dead elements with highly lignified walls

Question 21: Palette 21/324

Errorless NEET 2017 MCQ

Which of the following is made up of dead cells

A

Xylem parenchyma

B

Collenchyma

C

Phellem

D

Phloem

Question 22: Palette 22/324

Errorless NEET (Phase-II) 2016 MCQ

Cortex is the region found between [NCERT Pg. No. 74]

A

Endodemis and vascular bundle

B

Epidermis and stele

C

Pericycle and endodermis

D

Endodermis and pith

Question 23: Palette 23/324

Errorless NEET (Phase-II) 2016 MCQ

A few drops of sap were collected by cutting across a plant stem by a suitable method. The sap was tested chemically. Which one of the following test results indicated that it is phloem sap

A

Absence of sugar

B

Acidic

C

Alkaline

D

Low refractive index

Question 24: Palette 24/324

Errorless AIPMT (Cancelled) 2015 MCQ

A major characteristic of the monocot root is the presence of [NCERT Pg. No. 73]

A

Scattered vascular bundles

B

Vasculature without cambium

C

Cambium sandwiched between phloem and xylem along the radius

D

Open vascular bundles

Question 25: Palette 25/324

Errorless AIPMT 2015 MCQ

Read the different components from (A) to (D) in the list given below and tell the correct order of the components with reference to their arrangement from outer side to inner side in a woody dicot stem (A) Secondary cortex
(B) Wood
(C) Secondary phloem
(D) Phellem

A

A, B, D, C

B

D, A, C, B

C

D, C, A, B

D

C, D, B, A

Question 26: Palette 26/324

Errorless CBSE PMT 2014 MCQ

Tracheids differ from other tracheary elements in

A

Lacking nucleus

B

Being lignified

C

Having casparian strips

D

Being imnerforate

Question 27: Palette 27/324

Errorless NEET 2013 MCQ

Interfascicular cambium develops from the cells of

A

Pericycle

B

Medullary rays

C

Xylem parenchyma

D

Endodermis

Question 28: Palette 28/324

Errorless MP PMT 2013 MCQ

The axillary buds arise

A

Endogenously from the pericycle

B

Exogenously from the tissues of the main growing point

C

Endogenously from the cambial tissues

D

Exogenously from the innermost cortex

Question 29: Palette 29/324

Errorless CBSE PMT (Pre.) 2012; WB-JEE 2016 MCQ

Companion cells are closely associated with Or Transport of food material in higher plants takes place through [CBSE PMT (Mains) 2010]

A

Sieve elements

B

Vessel elements

C

Trichomes

D

Guard cells

Question 30: Palette 30/324

Errorless AMU (Med.) 2012 MCQ

Radial conduction of water takes place by

A

Vessels

B

Vessels and trachieds

C

Phloem

D

Ray parenchyma cells

Question 31: Palette 31/324

Errorless BHU 2012 MCQ

The long plants are capable of standing erect due to presence of

A

Sclerenchyma

B

Collenchyma

C

Parenchyma

D

Prosenchyma

Question 32: Palette 32/324

Errorless Odisha JEE 2012 MCQ

Star shaped stele devoid of pith termed as

A

Actinostele

B

Solenostele

C

Dictyostele

D

Plectostele

Question 33: Palette 33/324

Errorless AFMC 2012 MCQ

A dicot plant in which scattered vascular bundles are present in stem is

A

Yucca

B

Peperomia

C

Dolichos

D

Helianthus

Question 34: Palette 34/324

Errorless KCET 2012 MCQ

Find out the wrong statement about angiosperm roots

A

Cuticle is absent in young stages

B

The apex is protected by root cap

C

Vascular bundles are collateral

D

Xylem is centripetal in growth in the young roots

Question 35: Palette 35/324

Errorless Odisha JEE 2012 MCQ

Complementary cells are found in

A

Pericycle

B

Endodermis

C

Lenticels

D

Pith

Question 36: Palette 36/324

Errorless KCET 2012 MCQ

Secondary cortex is also known as

A

Phellem

B

Phelloderm

C

Phellogen

D

Bark

Question 37: Palette 37/324

Errorless CBSE PMT (Pre.) 2012 MCQ

Water containing cavities in vascular bundles are found in [NCERT Pg. No. 76]

A

Sunflower

B

Maize

C

Cycas

D

Pinus

Question 38: Palette 38/324

Errorless MHCET 2011 MCQ

Vessels differ from tracheids

A

In being derived from single cell

B

In having vertical rows of cells with dissolved cross walls

C

In being living

D

They help in the conduction of water

Question 39: Palette 39/324

Errorless KCET 2011 MCQ

The loosely arranged nonchlorophyllous parenchyma cells present in lenticels are called

A

Complementary cells

B

Passage cells

C

Water stomata

D

Albuminous cells

Question 40: Palette 40/324

Errorless KCET 2011; NEET 2018 MCQ

Casparian strips are present in the of the root [NCERT Pg. No. 74]

A

Epiblema

B

Cortex

C

Pericycle

D

Endodermis

Question 41: Palette 41/324

Errorless Odisha JEE 2011 MCQ

The root cap is not used in absorption of water due to

A

Presence of root hairs

B

Absence of root hairs

C

Its presence in elongation zone

D

None of these

Question 42: Palette 42/324

Errorless Odisha JEE 2011 MCQ

The composition of stele is [NCERT Pg. No. 74]

A

Pith, vascular bundle

B

Pericycle, pith

C

Endodermis, pericycle

D

Endodermis, pericycle, pith

Question 43: Palette 43/324

Errorless CBSE PMT (Pre.) 2011 MCQ

Ground tissue includes [NCERT Pg. No. 72]

A

All tissues internal to endodermis

B

All tissues external to endodermis

C

All tissues except epidermis and vascular bundles

D

Epidermis and cortex

Question 44: Palette 44/324

Errorless CBSE PMT (Mains) 2011 MCQ

Some vascular bundles are described as open because these [NCERT Pg. No. 73]

A

Possess conjunctive tissue between xylem and phloem

B

Are not surrounded by pericycle

C

Are surrounded by pericycle but no endodermis

D

Are capable of producing secondary xylem and phloem

Question 45: Palette 45/324

Errorless CBSE PMT (Pre.) 2010 MCQ

The chief water conducting elements of xylem in gymnosperms are

A

Tracheids

B

Vessels

C

Fibres

D

Transfusion tissue

Question 46: Palette 46/324

Errorless Kerala PMT 2010 MCQ

Which of the following statement is true

A

The collenchyma occurs in layers below the epidermis in monocotyledonous plants

B

Sclerenchyma cells are usually dead and without protoplasts

C

Xylem parenchyma cells are living and thin walled ar.d their cell walls are made up of lignin

D

The companion cells are specialized sclerenchymatous cells

E

Phloem fibres are generally present in the primary phloem

Question 47: Palette 47/324

Errorless WB JEE 2010 MCQ

Interfasicular cambium is a

A

Primary meristematic tissue

B

Primordial meristem

C

Type of protoderm

D

Secondary meristematic tissue

Question 48: Palette 48/324

Errorless CPMT 2010 MCQ

Which of the following is a complex tissue

A

Parenchyma

B

Collenchyma

C

Xylem

D

Schlerenchyma

Question 49: Palette 49/324

Errorless CBSE PMT (Pre.) 2010 MCQ

Which one of the following is not a lateral meristem

A

Intercalary meristem

B

Intrafascicular cambium

C

Interfascicular cambium

D

Phellogen

Question 50: Palette 50/324

Errorless Odisha JEE 2010 MCQ

The arrangement of xylem in stem is

A

Endarch

B

Exarch

C

Mesarch

D

Both

Question 51: Palette 51/324

Errorless AMU (Med.) 2010 MCQ

Which one of the following is not correct

A

Early wood is characterized by large number of xylary elements

B

Early wood is characterized by vessels with wider cavities

C

Late wood is characterized by large number of xylary elements

D

Late wood is characterized by vessels with narrower cavities

Question 52: Palette 52/324

Errorless Odisha JEE 2010 MCQ

The function of cork cambium (phellogen) is to produce

A

Cork and secondary cortex

B

Secondary xylem and secondary phloem

C

Cork

D

Secondary cortex and phloem

Question 53: Palette 53/324

Errorless CBSE PMT (Pre.) 2010 MCQ

Heartwood differs from sapwood in

A

Being susceptible to pests and pathogens

B

Presence of rays and fibres

C

Absence of vessels and parenchyma

D

Having dead and non-conducting elements

Question 54: Palette 54/324

Errorless K-CET 2010 MCQ

Assertion: Sclerenchyma cells do not have plasmodesmata. Reason: The cell walls of some permanent tissues are heavily lignified.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

E

If assertion is false but reason is true.

Question 55: Palette 55/324

Errorless EAMCET 2009 MCQ

From evolutionary point of view, tracheids and sieve cells are more primitive than tracheae and sieve tubes respectively. The angiosperms have

A

Tracheae and sieve tubes

B

Tracheids, tracheae and sieve tubes

C

Tracheids, sieve cells and sieve tubes

D

Tracheids, tracheae and sieve cells

Question 56: Palette 56/324

Errorless Kerala PMT 2009 MCQ

At maturity the sieve plates become impregnated with

A

Cellulose

B

Pectin

C

Suberin

D

Lignin

E

Callose

Question 57: Palette 57/324

Errorless Kerala PMT 2009 MCQ

Consider the following statements and choose the correct option
(i) The thread like cytoplasmic strands, running from one cell to other is known as plasmodesmata
(ii) Xylem and phloem constitute the vascular bundle of the stem
(iii) The first form xylem elements are described as metaxylem
(iv) Radial vascular bundles are mainly found in the leaves

A

i is true, but ii, iii and iv are wrong

B

ii is true, but i, iii and iv are wrong

C

iii is true, but i, ii and iv are wrong

D

iv is true, but i, ii and iii are wrong

E

i and ii are true, but iii and iv are wrong

Question 58: Palette 58/324

Errorless Odisha JEE 2009 MCQ

Tunica corpus theory is related with

A

Root apex

B

Lateral meristems

C

Root cap

D

Shoot apex (apical meristem)

Question 59: Palette 59/324

Errorless AMU (Med.) 2009 MCQ

The plant tissues commonly found in fruit walls of nuts and pulp of some fruits like guava are termed as Or Pear fruits are gritty due to the presence of [J & K CET 2012] Or Tissue composed of non-parenchymatous cells and have isodiametric or irregular shape is called

A

Fibres

B

Tracheids

C

Sclereids

D

Vessels

Question 60: Palette 60/324

Errorless AMU (Med.) 2009 MCQ

Starch sheath is another name of

A

Hypodermis

B

Epidermis

C

Casparian strip

D

None of these

Question 61: Palette 61/324

Errorless MP PMT 2009 MCQ

Which of the following tissues consist of living cells

A

Vessels

B

Tracheids

C

Companion cell

D

Sclerenchyma

Question 62: Palette 62/324

Errorless Odisha JEE 2009; AFMC 2012 MCQ

A stele with a central core of xylem surrounded by phloem is called or Actinostele is a modification of Or Pith is absent in

A

Protostele

B

Siphonostele

C

Solenostele

D

Dictyostele

Question 63: Palette 63/324

Errorless CBSE PMT 2009 MCQ

Reduction in vascular tissue mechanical tissue and cuticle is characteristic of

A

Xerophytes

B

Mesophytes

C

Epiphyttes

D

Hydrophytes

Question 64: Palette 64/324

Errorless CBSE PMT 2009 MCQ

The annular and spirally thickened conducting elements generally develop in the protoxylem when the root or stem is

A

Maturing

B

Elongating

C

Widening

D

Differentiatina

Question 65: Palette 65/324

Errorless CBSE PMT 2009 MCQ

In barley stem vascular bundles are [NCERT Pg. No. 75]

A

Open and scattered

B

Closed and scattered

C

Open and in a ring

D

Closed and radial

Question 66: Palette 66/324

Errorless CBSE PMT 2009, 14; Odisha JEE 2011 MCQ

Anatomically fairly old dicotyledonous root is distinguished from the dicotyledonous stem by

A

Absence of secondary xylem

B

Absence of secondary phloem

C

Presence of cortex

D

Position of protoxylem

Question 67: Palette 67/324

Errorless CBSE PMT 2009 MCQ

Palisade parenchyma is absent in leaves of

A

Sorghum

B

Mustard

C

Soybean

D

Gram

Question 68: Palette 68/324

Errorless NCERT; Odisha JEE 2009 MCQ

Lenticels are

A

Loose cells on leaves

B

Subsidiary cells of stomata

C

Cells for respiration in epiphytes

D

Some loose cells on bark meant for aeration

Question 69: Palette 69/324

Errorless DUMET 2009 MCQ

In an annual ring, the light coloured part is known as

A

Early wood

B

Late wood

C

Heartwood

D

Sapwood

Question 70: Palette 70/324

Errorless KCET 2009 MCQ

What is/are true about heart wood A. It does not help in water conduction B. It is also called alurnum C. It is dark in colour but very soft D. It has tracheary element which are filled with tannin, resin, etc.

A

B, C and D

B

A and D

C

B and D

D

A, B and C

Question 71: Palette 71/324

Errorless Kerala PMT 2009 MCQ

Match the following and choose the correct combination

Column-I	Column-II
(A) Endodermis (B) Stomata (C) Sieve tube (D) Periderm (E) Mesophyll	(P) Companion cells (Q) Lenticels (R) Palisade cells (S) Passage cells (T) Accessory cells

A

A–S, B–T, C–Q, D–P, E–R

B

A–T, B–R, C–P, D–Q, E–S

C

A–S, B–T, C–P, D–Q, E–R

D

A–Q, B–T, C–R, D–S, E–P

E

A–S, B–Q, C–T, D–R, E–P

Question 72: Palette 72/324

Errorless EAMCET 2009 MCQ

Assertion: Apical and intercalary meristems contribute to the growth in length, while the lateral meristems bring increase in girth in maize. Reason: Apical and intercalary meristems always increase the height of plants.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

E

If assertion is false but reason is true.

Question 73: Palette 73/324

Errorless Odisha JEE 2008 MCQ

Shoot apical meristem is found on the tip of

A

Plumule

B

Radicle

C

Root

D

Apex

Question 74: Palette 74/324

Errorless Odisha JEE 2008 MCQ

Parenchymatous cells filling the space between dermal and vascular tissue is

A

Ground tissue

B

Epidermal tissue

C

Pith

D

Vascular bundles

Question 75: Palette 75/324

Errorless Kerala PMT 2008 MCQ

Which of the following statements is/are true
(A) Uneven thickening of cell wall is characteristic of sclerenchyma
(B) Periblem forms the cortex of the stem and the root
(C) Tracheids are the chief water transporting elements in gymnosperms
(D) Companion cell is devoid of nucleus at maturity
(E) The Commercial cork is obtained from Quercus suber

A

A and D only

B

B and E only

C

C and D only

D

A, B and C only

E

B, C and E only

Question 76: Palette 76/324

Errorless BHU 2008 MCQ

The histogen layer present at the apex of the root tip is called

A

Dermatogen

B

Procambium

C

Calyptrogen

D

Plerome

Question 77: Palette 77/324

Errorless WB JEE 2008 MCQ

In the following pairs where do you get lignin in both the element

A

Trachid and Collenchyma

B

Sclerenchyma and sieve tube

C

Sclerenchyma and trachea

D

Parenchyma and endodermis

Question 78: Palette 78/324

Errorless WB JEE 2008 MCQ

One of the characteristic of sieve tube is

A

It is a part of phloem

B

Function is transport of inorganic solutes

C

It is dead cell

D

Sieve plate is not present

Question 79: Palette 79/324

Errorless CBSE PMT 2008 MCQ

The length of different internodes in a culm of sugarcane is variable because

A

Size of leaf lamina at the node below each internode

B

Intercalary meristem

C

Shoot apical meristem

D

Position of axillary buds

Question 80: Palette 80/324

Errorless NCERT Pg. No. 76[Odisha JEE 2008 MCQ

Leaf mesophylls are composed of

A

Pallisade parenchyma

B

Spongy parenchyma

C

Both of them

D

None of these

Question 81: Palette 81/324

Errorless Kerala PMT 2008 MCQ

Consider the following statements (A) In a dicot root, the vascular bundles are collateral and endarch (B) The inner most layer of cortex in a dicot root is endodermis (C) In a dicot root, the phloem masses are separated from the xylem by parenchymatous cells that are known as the conjunctive tissue Of these statements given above [NCERT Pg. No. 74]

A

A is true, but B and C are false

B

B is true, but A and C are false

C

A is false, but B and C are true

D

C is false, but A and C are true

E

C is true, but A and B are false

Question 82: Palette 82/324

Errorless J & K CET 2008; Kerala PMT 2009 MCQ

“Sap wood” is otherwise called

A

Duramen

B

Alburnum

C

Pith

D

Medullary rays

Question 83: Palette 83/324

Errorless Kerala PMT 2007 MCQ

All the following statements regarding s-block elements are true except

A

Their end walls have perforated sieve plates which become impregnated with lignin at maturity

B

They possess a peripheral cytoplasm as well as a large vacuole

C

Distinct proteinaceous inclusions, the P-proteins are seen evenly distributed throughout the lumen

D

Long, slender, tube-like structures arranged in longitudinal series

E

They are devoid of nucleus at maturity

Question 84: Palette 84/324

Errorless MP PMT 2007 MCQ

Meristematic tissue in vascular bundle is

A

Phellem

B

Procambium

C

Interfasicular cambium

D

Fasicular cambium

Question 85: Palette 85/324

Errorless Kerala PMT 2007 MCQ

Match the items in Column – I with Column – II and choose the correct option

Column-I	Column-II
(A) Radial Vascular Bundle (B) Collateral Vascular Bundle (C) Bicollateral Vascular Bundle (D) Amphicribal Vascular Bundle (E) Amphivasal Vascular Bundle	(P) Cucurbita pepo (Q) Dracaena (R) Roots of angiosperms (S) Sunflower stem (T) Fern

A

A-R,B−S,C-P,D-T,E-Q

B

A-Q,B-R,C-P,D-T,E-S

C

A-R,B-S,C-T,D-T,E-Q

D

A−S,B-T,C-P,D-Q,E-S

E

A-R,B-P,C-Q,D-S,E-T

Question 86: Palette 86/324

Errorless KCET 2007 MCQ

In the diagram of lenticel identify the parts as A, B, C, D

A

A - phellem, B - periderm, C - phellogen, D - phelloderm

B

A – phellem, B - complementary cells, C – phelloderm, D - periderm

C

A - complementary cells, B - phellogen, C - phelloderm, D - periderm

D

A – complementary cells, B – phellem, C – periderm, D - phelloderm

Question 87: Palette 87/324

Errorless MP PMT 2007 MCQ

Fusiform initials form

A

Vascular rays

B

Treacheary elements

C

Ray parenchyma

D

Phloem parenchyma

Question 88: Palette 88/324

Errorless CBSE PMT 2007 MCQ

For a critical study of secondary growth in plants, which one of the following pairs is suitable

A

Sugarcane and sunflower

B

Teak and pine

C

Deodar and fern

D

Wheat and maiden hair fern

Question 89: Palette 89/324

Errorless CBSE PMT 2006 MCQ

A common structural feature of vessel elements and seive tube elements is

A

Presence of p-protein

B

Enucleate condition

C

Thick secondary walls

D

Pores on lateral walls

Question 90: Palette 90/324

Errorless MP PMT 2006 MCQ

The fibres associated with phloem are known as

A

Wood fibre

B

Surface fibre

C

Bast fibre

D

Hard fibre

Question 91: Palette 91/324

Errorless MP PMT 2006 MCQ

Which of the following statement is true about parenchymatous cells

A

Presence of thickening at corner

B

Presence of uniform thickening

C

Presence of intercellular space

D

Presence of lignified wall

Question 92: Palette 92/324

Errorless AMU (Med.) 2006 MCQ

Histogen theory states that epidermis is derived from the

A

Periblem

B

Cambium

C

Cortex

D

Dermatogen

Question 93: Palette 93/324

Errorless KCET 2006 MCQ

The following diagrams show the types of secondary thickenings in the xylem vessels. Identify the types labelled from A to F. Choose the correct option from those given

A

A= spiral, B= annular, C= reticulate, D= scalariform, E= pitted with border, F= pitted simple

B

A= annular, B= spiral, C= scalariform, D= reticulate, E= pitted with border, F= pitted simple

C

A= annular, B= spiral, C= scalariform, D= reticulate, E= pitted simple, F= pitted with border

D

A= spiral, B= annular, C= scalariform, D= reticulate, E= pitted with border, F= pitted simple

Question 94: Palette 94/324

Errorless RPMT 2006 MCQ

Tracheids differs from vessels in having

A

Thick wall

B

Bordered pits

C

Discontinuous intercalary wall

D

Spiral thickening

Question 95: Palette 95/324

Errorless RPMT 2006 MCQ

Amphivasal vascular bundle possess

A

Xylem around phloem

B

Phloem around xylem

C

Phloem on both sides of xylem

D

Phloem towards centre and xylem towards periphery

Question 96: Palette 96/324

Errorless Kerala PMT 2006, 11 MCQ

The large, empty and colourless cells present at intervals on the upper surface of grass leaf are called

A

Bulliform cells

B

Palisade parenchyma

C

Spongy parenchyma

D

Accessory cells

E

Passage cells

Question 97: Palette 97/324

Errorless Kerala PMT 2006; KCET 2018 MCQ

Bicollateral conjoint vascular bundles have [NCERT Pg. No. 73]

A

Xylem and phloem, which are arranged in an alternate manner on different radii

B

Xylem and phloem, which are situated at the same radius and it has two groups of phloem along the two sides of xylem (inside and outside)

C

Xylem and phloem in same radius but it has only one group phloem outside the xylem

D

Phloem surrounds the xylem tissues

E

Xylem surrounds the phloem tissues

Question 98: Palette 98/324

Errorless KCET 2006 MCQ

As secondary growth proceeds, in a dicot stem, the thickness of

A

Sapwood increases

B

Heartwood increases

C

Both sapwood and heartwood increases

D

Both sapwood and heartwood remains the same

Question 99: Palette 99/324

Errorless RPMT 2006 MCQ

In the following how the sap wood is converted into heart wood

A

By degeneration of protoplast of living cells

B

Tylosis formation

C

By deposition of resins, oil, gums

D

All of the above

Question 100: Palette 100/324

Errorless Kerala PMT 2006, 07 MCQ

Which of the following statements is / are not true
(A) Cork cambium is otherwise called phellogen
(B) Cork is otherwise called phellem
(C) Secondary cortex is otherwise called periderm
(D) Cork cambium, cork and secondary cortex are collectively called phelloderm

A

C and D only

B

A and B only

C

B and C only

D

B and D only

E

A and D only

Question 101: Palette 101/324

Errorless Manipal 2005 MCQ

Parenchymatous cells are found in

A

Pulp of fruit

B

Seeds

C

Endocarp

D

Skin of fruit

Question 102: Palette 102/324

Errorless Manipal 2005 MCQ

Meristematic cells have

A

Thick cell wall and large intercellular spaces

B

Thick cell wall and no intercellular space

C

Thin cell wall and large intercellular spaces

D

Thin cell wall and no intercellular spaces

Question 103: Palette 103/324

Errorless Manipal 2005 MCQ

The histogens are classified on the basis

A

Cells they contain

B

Cells they give rise to future tissue

C

Meristematic activity

D

Cell division

Question 104: Palette 104/324

Errorless AIIMS 2005 MCQ

Which one of the following statements pertaining to plant structure is correct

A

Cork have no stomata, but lenticels carry out transpiration

B

Passage cells help in transfer of food from cortex to phloem

C

Sieve tube elements possess cytoplasm but not nuclei

D

The shoot apical meristem has a quiescent centre

Question 105: Palette 105/324

Errorless CBSE PMT 2005 MCQ

In a woody dicotyledonous tree, which of the following parts wall mainly consist of primary tissues

A

Stem and root

B

All parts

C

Shoot tips and root tips

D

Flowers, fruits and leaves

Question 106: Palette 106/324

Errorless MP PMT 2005 MCQ

What is meristems

A

Dividing cells

B

Non dividing cells

C

Permanent cells

D

Complex tissues

Question 107: Palette 107/324

Errorless Manipal 2005 MCQ

The plant which reproduces by apical meristem is

A

Gymnosperm

B

Pteridophyte

C

Angiosperm

D

Algae

Question 108: Palette 108/324

Errorless CPMT 2005 MCQ

P - protein is found in

A

Collenchyma

B

Parenchyma

C

Xylem

D

Sieve tube

Question 109: Palette 109/324

Errorless CPMT 2005 MCQ

Which of the following is correct sequence of layers in typical monocot root (from outer surface to inside) [NCERT Pg. No. 73, 74]

A

Pericycle, cortex, endodermis, epiblema

B

Epiblema, endodermis, cortex, pericycle

C

Epiblema, cortex, endodermis, pericycle

D

Epiblema, pericycle, cortex, endodermis

Question 110: Palette 110/324

Errorless AMU (Med.) 2005; CBSE PMT (Mains) 2012 MCQ

Monocot root differs from dicot root in [NCERT Pg. No. 74]

A

Presence of more than six xylem bundle

B

Well developed pith

C

Absence of secondary growth

D

All of these

Question 111: Palette 111/324

Errorless J & K CET 2005 MCQ

Pith is a central part of the ground tissue generally made up of [NCERT Pg. No. 72]

A

Parenchyma

B

Collenchyma

C

Chlorenchyma

D

Sclerenchyma

Question 112: Palette 112/324

Errorless RPMT 2005 MCQ

Removal of ring wood of tissue outside the vascular cambium from the tree trunk kills it because

A

Water cannot move up

B

Food does not travel down and root become starved

C

Shoot become starved

D

Annual ring and not produced

Question 113: Palette 113/324

Errorless Kerala PMT 2004 MCQ

Intercalary meristem results in

A

Secondary growth

B

Primary growth

C

Apical growth

D

Secondary thickening

E

Secondary over growth

Question 114: Palette 114/324

Errorless MP PMT 2004 MCQ

The commercial jute fibres are obtained from

A

Interxylary fibres

B

Xylem fibers

C

Phloem fibers

D

None of these

Question 115: Palette 115/324

Errorless MP PMT 2004 MCQ

Lateral meristem is responsible for

A

Growth in length

B

Growth in parenchyma

C

Growth in thickness

D

Growth in cortex

Question 116: Palette 116/324

Errorless KCET 2004 MCQ

Bamboo and grasses elongate by the activity of --------

A

Secondary meristem

B

Lateral meristem

C

Apical meristem

D

Intercalary meristem

Question 117: Palette 117/324

Errorless AIEEE Pharmacy 2004 MCQ

Which of the following elements has its end walls perforated

A

Tracheid

B

Vessel

C

Fiber

D

Scleried

Question 118: Palette 118/324

Errorless Kerala PMT 2004 MCQ

The tissue which perpetuates itself by active cell division is

A

Permanent tissue

B

Ground tissue

C

Meristematic tissue

D

Vascular tissue

E

None of these

Question 119: Palette 119/324

Errorless KCET 2004 MCQ

A bicollateral vascular bundle has the following arrangement of tissues

A

Outer phloem – outer xylem – middle cambium - inner xylem – inner phloem

B

Outer cambium – Outer phloem – middle xylem – inner phloem – inner cambium

C

Outer phloem – outer cambium – middle xylem – inner cambium – inner phloem

D

Outer xylem – outer cambium – middle phloem – inner cambium – inner xylem

Question 120: Palette 120/324

Errorless Odisha JEE 2004; AFMC 2010; CBSE PMT (Pre.) 2012; AIPMT (Cancelled) 2015 MCQ

Vascular bundle in monocotyledons are considered closed, when [NCERT Pg. No. 73]

A

Cambium present

B

Cambium absent

C

Pericycle absent

D

None of these

Question 121: Palette 121/324

Errorless DPMT 2004 MCQ

Vascular cambium in dicot root develops from Or In dicot root, initiation of lateral root and vascular cambium during secondary growth takes place from[NCERT Pg. No. 74]

A

Endodermis

B

Pericycle

C

Conjunctive parenchyma

D

Both b and c

Question 122: Palette 122/324

Errorless DPMT 2004 MCQ

In monocot stem, following is absent [NCERT Pg. No. 76]

A

Endodermis

B

Hypodermis

C

Cortex

D

Both

Question 123: Palette 123/324

Errorless KCET 2004 MCQ

In the diagram of T.S. of Stele of Dicot Root, the different parts have been indicated by alphabets; choose the answer in which these alphabets correctly match with the parts they indicate [NCERT Pg. No. 74]

A

A = Endodermis 6no B = Conjunctive tissue C = Metaxylem D = Protoxylem E = Phloem F = Pith

B

A = Endodermis B = Pith C = Protoxylem D = Metaxylem E = Protoxylem F = Conjunctive tissue

C

A = Pericycle B = Conjunctive tissue C = Metaxylem D = Protoxylem E = Phloem

D

A = Endodermis B = Conjunctive tissue C = Protoxylem D = Metaxylem E = Phloem F = Pith

Question 124: Palette 124/324

Errorless CPMT 2004 MCQ

Largest number of chloroplast is found in

A

Palisade tissue

B

Spongy tissue

C

Transfusion tissue

D

Bundle sheath cells

Question 125: Palette 125/324

Errorless Pb. PMT 2004, 05 MCQ

In dicot stem secondary growth is due to the activity of

A

Apical meristem

B

Lateral meristem

C

Cork

D

Back

Question 126: Palette 126/324

Errorless CPMT 2004; MP PMT 2006 MCQ

Annual growth rings are formed due to activity

A

Extrastelar cambium

B

Intrastelar cambium

C

Interstelar cambium

D

Both

Question 127: Palette 127/324

Errorless Odisha JEE 2004 MCQ

In dicot stem, vascular bundles are

A

Numerous scattered

B

Arranged in a ring

C

Without cambium

D

Surrounded by bundle sheath

Question 128: Palette 128/324

Errorless MP PMT 2004; NEET 2013 MCQ

The best method to determine the age of tree is

A

To find out the number of branches

B

To count the number of annual rings

C

To measure its diameter

D

To count the number of leaves

Question 129: Palette 129/324

Errorless Kerala PMT 2004 MCQ

A nail is driven into the trunk of a 30 year old tree at a point 1 meter above the soil level. The tree grows in height at the rate of 0.5 meters a year. After three years, the nail will be

A

1 meter above the soil

B

1.5 meter above the soil

C

2 meters above the soil

D

2.5 meters above the soil

E

3 meters above the soil level

Question 130: Palette 130/324

Errorless CPMT 2003 MCQ

Trachea, tracheids, wood fibres and parenchyma tissues are found in

A

Xylem

B

Phloem

C

Cambium

D

Cortex

Question 131: Palette 131/324

Errorless MP PMT 2003 MCQ

The calyptrogen of the root apex forms

A

Rhizoids

B

Root nodule

C

Root hairs

D

Root cap

Question 132: Palette 132/324

Errorless Kerala CET 2003 MCQ

The layer of cells outside the phloem meant for giving rise to the root branches is called

A

Cambium

B

Carpus

C

Endodermis

D

Pericycle

Question 133: Palette 133/324

Errorless NCERT; Kerala CET 2003; NEET 2017 MCQ

Root hairs are found

A

In the zone of maturation

B

Adventitious roots

C

On the root cap

D

Apical meristem

Question 134: Palette 134/324

Errorless MP PMT 2003 MCQ

Trabaculae is the transformation of

A

Pericycle

B

Endodermis

C

Xylem

D

Phloem

Question 135: Palette 135/324

Errorless Kerala CET 2003 MCQ

In the leaf vascular bundles are found in the

A

Veins

B

Palisade tissue

C

Lower epidermis

D

Upper epidermis

Question 136: Palette 136/324

Errorless BHU 2003 MCQ

In monocot roots which types of vascular bundles are found

A

Collateral, conjoint and closed

B

Radial V.B. with exarch xylem

C

Bicollateral, conjoint and closed

D

Radial V.B. with endarch xylem

Question 137: Palette 137/324

Errorless BHU 2003; MP PMT 2012 MCQ

Commercial cork is obtained from

A

Mango

B

Oak (Quercus suber)

C

Ficus religiosa

D

Pinus

Question 138: Palette 138/324

Errorless AFMC 2003 MCQ

Which of the following is known as wood

A

Primary xylem

B

Secondary xylem

C

Secondary phloem

D

Cambium

Question 139: Palette 139/324

Errorless BVP 2003 MCQ

Intrafascicular cambium is situated in

A

Outside the vascular bundles

B

In medullary rays

C

Inside the vascular bundles

D

In between the vascular bundles

Question 140: Palette 140/324

Errorless AIIMS 2003 MCQ

The quiescent centre in root meristem serves as

A

Site for storage of food, which is utilized during maturation

B

Reservoir of growth hormones

C

Reserve for replenishment of damaged cells of the meristem

D

Region for absorption of water

Question 141: Palette 141/324

Errorless JIPMER 2002 MCQ

Starch is mainly manufacture by

A

Palisade parenchyma

B

Spongy parenchyma

C

Guard cells

D

Vascular bundle

Question 142: Palette 142/324

Errorless J & K CET 2002; MP PMT 2004, 05 MCQ

Wood is a common name of

A

Phloem

B

Secondary xylem

C

Cambium

D

Vascular bundles

Question 143: Palette 143/324

Errorless RPMT 2002, 06 MCQ

The difference in phloem of gymnosperms and angiosperms is due to

A

Parenchyma

B

Sieve cell

C

Companion cell

D

Fibres

Question 144: Palette 144/324

Errorless J & K CET 2002 MCQ

Conducting part of phloem according to Haberlandt (1914) is

A

Hadrome

B

Leptome

C

Sterom

D

Bark

Question 145: Palette 145/324

Errorless RPMT 2002; NEET (Karnataka) 2013 MCQ

Meristematic tissue responsible for increase in girth of tree trunk is

A

Lateral meristem

B

Intercalary meristem

C

Primary meristem

D

Apical meristem

Question 146: Palette 146/324

Errorless JIPMER 2002; MP PMT 2004 MCQ

Parenchymatous tissue is characterised by the

A

Presence of uniform thickening

B

Presence of thickening in the corners

C

Presence of intercellular spaces

D

Presence of lignified walls

Question 147: Palette 147/324

Errorless BHU 2002 MCQ

Epiblema in roots is derived from

A

Protoderm

B

Procambium

C

Ground meristem

D

Calyptrogen

Question 148: Palette 148/324

Errorless CBSE PMT 2002 MCQ

Axillary bud and terminal bud are derived from the activity of

A

Parenchyma

B

Lateral meristém

C

Apical meristem

D

Intercalary meristem

Question 149: Palette 149/324

Errorless CBSE PMT 2002 MCQ

Vessels are found in

A

All pteridophyta

B

All angiosperms

C

Some gymnosperm

D

Both b and c

Question 150: Palette 150/324

Errorless NCERT; BHU 2002 MCQ

Epidermis in stem is produced from

A

Protoderm

B

Procambium

C

Ground meristem

D

Calyptrogen

Question 151: Palette 151/324

Errorless CPMT 2002 MCQ

Cuticle is secreted by

A

Epidermis

B

Endodermis

C

Both a and b

D

Hypodermis

Question 152: Palette 152/324

Errorless Kerala CET 2002 MCQ

Dorsiventral leaf has

A

Stomata on both side

B

Stomata on lower surface

C

Stomata on upper surface

D

No stomata

Question 153: Palette 153/324

Errorless AIIMS 2002 MCQ

Passage cells are found in

A

Dicot stem

B

Aereal root

C

Monocot root

D

Monocot stem

Question 154: Palette 154/324

Errorless MP PMT 2002 MCQ

Protosteles are found in

A

Bryophyta

B

Gymnosperms

C

Pteridophyta

D

Angiosperms

Question 155: Palette 155/324

Errorless RPMT 2002 MCQ

Which of the following have sunken stomata

A

Nerium

B

Mangifera

C

Hydrilla

D

Zea mays

Question 156: Palette 156/324

Errorless RPMT 2002 MCQ

Velamen tissue in orchids is found in

A

Shoot

B

Root

C

Leaves

D

Flowers

Question 157: Palette 157/324

Errorless Kerala CET 2002; CPMT 1990 MCQ

Vascular bundles are scattered in [NCERT Pg. No. 76]

A

Bryophytes

B

Dicot root

C

Dicot stem

D

Monocot stem

Question 158: Palette 158/324

Errorless CBSE PMT 2002 MCQ

If four radial vascular bundles are present, then the structure will be [NCERT Pg. No. 73, 74]

A

Monocot stem

B

Monocot root

C

Dicot stem

D

Dicot root

Question 159: Palette 159/324

Errorless MP PMT 2001 MCQ

Tunica corpus theory was proposed by

A

Schmidt

B

Strasburger

C

Nageli

D

Hofmeister

Question 160: Palette 160/324

Errorless AIIMS 2001 MCQ

Porous wood contains mainly

A

Fibres

B

Vessels

C

Trachieds

D

Solid secretions

Question 161: Palette 161/324

Errorless CPMT 2001 MCQ

Tyloses thickenings are seen in

A

Phloem cells

B

Ray parenchyma only

C

Collenchyma

D

Ray parenchyma and xylem cells

Question 162: Palette 162/324

Errorless CPMT 2001 MCQ

The outermost primary meristem gives rise to

A

Epidermis

B

Procambium

C

Ground meristem

D

All of the above

Question 163: Palette 163/324

Errorless AMU (Med.) 2001; CBSE PMT 2004 MCQ

In a longitudinal section of a root, starting from the tip upward, the four zones occur in the following order

A

Cell division, cell enlargement, cell maturation, root cap

B

Cell division, cell maturation, cell enlargement, root cap

C

Root cap, cell division, cell enlargement, cell maturation

D

Root cap, cell division, cell maturation, cell enlargement

Question 164: Palette 164/324

Errorless MHCET 2001 MCQ

The meristem of root is

A

Apical

B

Sub apical

C

Intercalary

D

Lateral

Question 165: Palette 165/324

Errorless BVP 2001 MCQ

Which of the following is absent in phloem of Pinus Or Which of the following is absent in the primary and secondary structure of stem of Pinus [AIIMS 2000]

A

Phloem parenchyma

B

Sieve cells

C

Companion cells

D

None of these

Question 166: Palette 166/324

Errorless MP PMT 2001; RPMT 2005 MCQ

Periblem gives rise to [NCERT Pg. No. 72]

A

Pericycle

B

Cortex

C

Medulla

D

Epidermis

Question 167: Palette 167/324

Errorless CPMT 2001 MCQ

The most primitive type of stele is

A

Eustele

B

Solenostele

C

Protostele

D

Siphonostele

Question 168: Palette 168/324

Errorless MHCET 2001 MCQ

Vascular tissue is well developed in

A

Hydrophytes

B

Mesophytes

C

Xerophytes

D

None of these

Question 169: Palette 169/324

Errorless MHCET 2001; Odisha JEE 2012; PET (Pharmacy) 2013 MCQ

Vascular bundles in dicot stem are [NCERT Pg. No. 74]

A

Conjoint and collateral

B

Conjoint and closed

C

Conjoint, collateral and open

D

Collateral and open

Question 170: Palette 170/324

Errorless KCET 2001; BHU 2006 MCQ

Heart wood or duramen is

A

Outer region of secondary xylem

B

Inner region of secondary xylem

C

Outer region of secondary phloem

D

Inner region of secondary phloem

Question 171: Palette 171/324

Errorless AFMC 2001 MCQ

The functional xylem of dicot tree is

A

Sap wood

B

Hard wood

C

Heart wood

D

Autumn wood

Question 172: Palette 172/324

Errorless CPMT 2000 MCQ

Which of the following are simple tissues

A

Parenchyma, xylem and phloem

B

Parenchyma, collenchyma and sclerenchyma

C

Parenchyma, xylem and collenchyma

D

Parenchyma, xylem and sclerenchyma

Question 173: Palette 173/324

Errorless MHCET 2000; MP PMT 2010 MCQ

Companion cells are part of angiospermic

A

Xylem

B

Phloem

C

Pith

D

Collenchyma

Question 174: Palette 174/324

Errorless BHU 2000; AIIMS 2000, 13 MCQ

Vascular cambium of the root is an example of

A

Apical meristem

B

Intercalary meristem

C

Secondary meristem

D

Root apical meristem

Question 175: Palette 175/324

Errorless KCET 2000 MCQ

Passage cells are present in

A

Epidermis

B

Endodermis

C

Xylem

D

Lenticels and hydathodes

Question 176: Palette 176/324

Errorless AIIMS 2000 MCQ

Which of the following do not have stomata

A

Xerophytes

B

Mesophytes

C

Hydrophytes

D

Submerged hydrophutes

Question 177: Palette 177/324

Errorless AFMC 2000 MCQ

In free floating plant, the stomata are

A

Absent

B

Present on upper surface

C

Present on both the surface

D

Present on lower surface

Question 178: Palette 178/324

Errorless MP PMT 2000, 06 MCQ

Exarch and polyarch vascular bundles occur in [NCERT Pg. No. 74]

A

Monocot stem

B

Monocot root

C

Dicot stem

D

Dicot root

Question 179: Palette 179/324

Errorless MHCET 2000 MCQ

Cork cambium is a

A

Secondary meristem

B

Apical meristem

C

Intercalary meristem

D

Primary meristem

Question 180: Palette 180/324

Errorless AIIMS 2000 MCQ

Assertion: In collateral vascular bundles phloem is situated towards inner side. Reason: In monocot stem, cambium is present.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

E

If assertion is false but reason is true.

Question 181: Palette 181/324

Errorless AIIMS 1999; BVP 2004; RPMT 2006; MP PMT 2010; Odisha JEE 2010 MCQ

Cystoliths sometimes deposited in plant cells are crystals of (aggregation of)

A

Calcium oxalate

B

Calcium carbonate

C

Magnesium carbonate

D

Glucosides

Question 182: Palette 182/324

Errorless MP PMT 1999 MCQ

A component of xylem is

A

Sieve tube

B

Medullary ray

C

Sclereids

D

Tracheid

Question 183: Palette 183/324

Errorless MP PMT 1999; Odisha JEE 2008; WB JEE 2009 MCQ

The meristem which develops into a primary vascular tissue is Or Portion of apical meristem that gives rise to xylem tissue is called [WB JEE 2012]

A

Protonema

B

Promeristem

C

Ground meristem

D

Procambium

Question 184: Palette 184/324

Errorless CPMT 1999 MCQ

Histogen theory is more applicable for

A

Root apex

B

Shoot apex

C

Meristematic tissue

D

None of these

Question 185: Palette 185/324

Errorless BHU 1999 MCQ

Function of storage is performed by

A

Parenchyma

B

Sclerenchyma

C

Phloem

D

All the above

Question 186: Palette 186/324

Errorless MP PMT 1999 MCQ

Hard lignified thick walled long and pointed cells a plant are

A

Parenchyma

B

Sclerenchyma

C

Collenchyma

D

Sclereids

Question 187: Palette 187/324

Errorless RPMT 1999 MCQ

Which is present in vascular bundles of gymnosperms

A

Tracheids

B

Vessels

C

Companion cells

D

All of these

Question 188: Palette 188/324

Errorless BHU 1999; CBSE PMT 1999; KCET 2000; AFMC 2000 MCQ

Which of the following cell is totipotent

A

Meristem

B

Sieve tube

C

Collenchyma

D

Xylem vessel

Question 189: Palette 189/324

Errorless Pb. PMT 1999 MCQ

Mesarch xylem is common in

A

Ferns

B

Bryophytes

C

Dicots

D

Monocots

Question 190: Palette 190/324

Errorless CPMT 1999; KCET 2006; Odisha JEE 2011 MCQ

Casparian thickenings are found in the cells of [NCERT Pg. No. 74] Or In dicot roots, cells of which region show casparian strips [RPMT 1997; CBSE PMT 1999; Odisha JEE 2005]

A

Pericycle of the root

B

Endodermis of the root

C

Pericycle of the stem

D

Endodermis of the stem

Question 191: Palette 191/324

Errorless RPMT 1999 MCQ

In a dorsiventral leaf, location of palisade tissue and phloem respectively are [NCERT Pg. No. 76]

A

Abaxial and abaxial

B

Adaxial and abaxial

C

Adaxial and adaxial 1

D

Abaxial and adaxial

Question 192: Palette 192/324

Errorless AIIMS 1999 MCQ

Assertion: Higher plants have meristematic regions for indefinite growth. Reason: Higher plants have root and shoot apices.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

E

If assertion is false but reason is true.

Question 193: Palette 193/324

Errorless MP PMT 1998 MCQ

Active division takes place in the cells of

A

Xylem

B

Phloem

C

Cambium

D

Sclerenchyma

Question 194: Palette 194/324

Errorless CPMT 1998, 2009; KCET 1999, 2001; RPMT 2002 MCQ

The only plant cells without nuclei among the following are Or The tissue which is living but does not possess nucleus in mature stage is [RPMT 1995; CBSE PMT 1997; BHU 2008]

A

Cambium cells

B

Cells of pericycle

C

Xylem parenchyma

D

Sieve tubes

Question 195: Palette 195/324

Errorless CPMT 1998; CBSE PMT 2000; DPMT 2004 MCQ

Healing of wound in plants takes place by the activity of

A

Ground tissue

B

Callus deposition

C

Secondary meristem

D

Permanent tissue

Question 196: Palette 196/324

Errorless CPMT 1998; KCET 2010 MCQ

Which one of the following pairs is an example for lateral meristem

A

Procambium and phelloderm

B

Interfascicular cambium and phellem

C

Phellogen and phelloderm

D

Phellogen and fascicular cambium

Question 197: Palette 197/324

Errorless NCERT; MP PMT 1998, 2000; AIIMS 2004; CBSE PMT (Mains) 2011 MCQ

Function of companion cells is

A

Loading of sucrose into sieve elements by passive transport

B

Loading of sucrose into sieve elements

C

Providing energy to sieve elements for active transport

D

Providing water to phloem

Question 198: Palette 198/324

Errorless KCET 1998 MCQ

When xylem and phloem are separated by a strip of cambium it is called [NCERT Pg. No. 73]

A

Collateral and open

B

Collateral and closed

C

Bicollatoral and open

D

Concentric and closed

Question 199: Palette 199/324

Errorless CPMT 1998 MCQ

Kranz anatomy is found in

A

Monocots

B

Dicots

C

Both

D

None of these

Question 200: Palette 200/324

Errorless KCET 1998; CBSE PMT 2008 MCQ

Vascular tissues in flowering plants develop from

A

Periblem

B

Dermatogen

C

Phellogen

D

Plerome

Question 201: Palette 201/324

Errorless CBSE PMT 1998 MCQ

Which of the following meristems is responsible for extrastelar secondary growth in dicotyledonous stem

A

Phellogen

B

Intrafascicular cambium

C

Interfascicular cambium

D

Intercalary meristem

Question 202: Palette 202/324

Errorless CPMT 1998 MCQ

The cell wall is impermeable to water and deposition of suberin is also found in

A

Bast

B

Cork

C

Bark

D

Xylem

Question 203: Palette 203/324

Errorless CPMT 1998 MCQ

Secondary growth is absent in

A

Hydrophytes

B

Mesophytes

C

Halophytes

D

Xerophytes

Question 204: Palette 204/324

Errorless Pune CET 1998 MCQ

Girth of a dicot stem is increased by

A

Xylem

B

Cambium

C

Phloem

D

Ground tissue

Question 205: Palette 205/324

Errorless AIIMS 1998 MCQ

Assertion: Cambium is a lateral meristem and cause growth in width. Reason: Cambium is made up of fusiform and ray initials in stem.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

E

If assertion is false but reason is true.

Question 206: Palette 206/324

Errorless MP PMT 1997 MCQ

Aerenchyma is formed in the tissue of

A

Sclerenchyma

B

Parenchyma

C

Phloem

D

None of the above

Question 207: Palette 207/324

Errorless MP PMT 1997 MCQ

Promeristem gives rise to which meristem

A

Secondary

B

Lateral

C

Primary

D

Apical

Question 208: Palette 208/324

Errorless AIIMS 1997 MCQ

Assertion: Stomata are absent in submerged hydrophytes. Reason: Respiration occurs by means of air chambers in submerged plants.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

E

If assertion is false but reason is true.

Question 209: Palette 209/324

Errorless AIIMS 1997 MCQ

Assertion: Thick cuticle is mostly present in disease resistant plants. Reason: Disease causing agents cannot grow on cuticle and cannot invade the cuticle.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

E

If assertion is false but reason is true.

Question 210: Palette 210/324

Errorless CPMT 1996; MP PMT 2005 MCQ

Radial vascular bundle can be seen in [NCERT Pg. No. 73]

A

Leaf

B

Dicot root

C

Stem

D

Flower

Question 211: Palette 211/324

Errorless MP PMT 1996; KCET 2010; Odisha JEE 2012 MCQ

Tyloses are found in

A

Secondary xylem

B

Secondary phloem

C

Callus tissue

D

Cork cells

Question 212: Palette 212/324

Errorless CPMT 1996; Pune CET 1998 MCQ

The bark of tree comprises

A

All the tissues outside the vascular cambium

B

All the tissues outside the cork cambium

C

Only the cork

D

The cork and secondary cortex

Question 213: Palette 213/324

Errorless RPMT 1995 MCQ

Histogen theory was proposed by

A

Bailey

B

Haberlandt

C

Hanstein

D

Schmidt

Question 214: Palette 214/324

Errorless BHU 1995, 2000 MCQ

Tyloses are

A

Wound healing secretions

B

Responsible for plugging the lumen of vessels

C

Special epidermal hairs covering stomata in xerophytes

D

Callus secretion on sieve plates

Question 215: Palette 215/324

Errorless MP PMT 1995 MCQ

The cell wall of xylem cells is rich in

A

Lipid

B

Protein

C

Lignin

D

Starch

Question 216: Palette 216/324

Errorless Kashmir MEE 1995 MCQ

The root apex is subterminal because it

A

Is covered by tunica cells

B

Is covered by root hairs

C

Has many corpus cells

D

Is covered by root cap

Question 217: Palette 217/324

Errorless RPMT 1995 MCQ

Dead cells of root are supplied by

A

Calyptrogen

B

Protoderm

C

Phallogen

D

Dermatogen

Question 218: Palette 218/324

Errorless RPMT 1995 MCQ

Xylem position in secondary xylem is

A

Exarch

B

Endarch

C

Mesarch

D

None of these

Question 219: Palette 219/324

Errorless BHU 1995; Pb. PMT 2004 MCQ

The function of a vessel is

A

Conduction of food

B

Conduction of water and minerals

C

Conduction of hormones

D

All the above

Question 220: Palette 220/324

Errorless EAMCET 1995 MCQ

A root hair is formed by[NCERT Pg. No. 62]

A

Epidermal cell

B

Endodermal cell

C

Cortical cell

D

Pericycle cell

Question 221: Palette 221/324

Errorless Bihar MDAT 1995; MP PMT 1996; CPMT 2000; Odisha JEE 2004 MCQ

Raphides are needle-like crystals of calcium oxalate which are specially found in

A

Pistia, Nerium

B

Rose, Mango

C

Asparagus, Colocasia

D

Dahlia, Citrus

Question 222: Palette 222/324

Errorless RPMT 1995 MCQ

Pith cells are found in [NCERT Pg. No. 74]

A

Epidermis

B

Endodermis

C

Pericycle

D

Lenticels

Question 223: Palette 223/324

Errorless RPMT 1995, 2002; CPMT 1998; BHU 2002; BCECE 2005; AMU (Med.) 2009 MCQ

Conjoint, collateral and closed vascular bundle is found in [NCERT Pg. No. 76]

A

Monocot stem

B

Monocot root

C

Dicot stem

D

Dicot root

Question 224: Palette 224/324

Errorless RPMT 1995 MCQ

Collenchyma tissue is present in [NCERT Pg. No. 75] Or Collenchymatous hypodermis is characteristics of

A

Dicot stem

B

Monocot stem

C

Dicot root

D

Flowers

Question 225: Palette 225/324

Errorless MP PMT 1995, 2010 MCQ

Periderm is made up of

A

Phellem

B

Phellogen

C

Phelloderm

D

All the above

Question 226: Palette 226/324

Errorless RPMT 1995 MCQ

Lenticels are found in

A

Young dicot stem

B

Old dicot stem

C

Monocot root

D

Young root

Question 227: Palette 227/324

Errorless Kashmir MEE 1995; CBSE PMT (Pre.) 2011 MCQ

The cork cambium, cork and secondary cortex are collectively called

A

Phellem

B

Phelloderm

C

Phellogen

D

Periderm

Question 228: Palette 228/324

Errorless EAMCET 1995 MCQ

The vascular cambium in dicots is

A

Lateral

B

Apical

C

Intercalary

D

Secondary

Question 229: Palette 229/324

Errorless BHU 1995; MP PMT 1996; AFMC 2010 MCQ

Grafting is not possible in monocots because they

A

Have scattered vascular bundles

B

Have parallel venation

C

Are herbaceous

D

Lack cambium

Question 230: Palette 230/324

Errorless CMC Vellore 1994; MP PMT 1999 MCQ

A group of cells alike in form, function and origin is called

A

Organ

B

Organella

C

Tissue

D

None of these

Question 231: Palette 231/324

Errorless BHU 1994; JIPMER 2002 MCQ

Fibres are obtained from

A

Xylem, phloem and sclerenchyma

B

Xylem, phloem, sclerenchyma and epidermis

C

Xylem, parenchyma, epidermis

D

Xylem, parenchyma, endodermis

Question 232: Palette 232/324

Errorless BHU 1994; NEET (Phase-II) 2016 MCQ

The baloon like outgrowth of parenchyma in the lumen of a vessel is known as

A

Histogen

B

Tyloses

C

Phellogen

D

Tunica

Question 233: Palette 233/324

Errorless CBSE PMT 1994; BHU 1994; HP PMT 2005; Kerala PMT 2008 MCQ

The casparian strips of root endoderm contain a mixture of

A

Cellulose and cutin

B

Cellulose and lignin

C

Lignin and suberin

D

Cellulose and suberin

Question 234: Palette 234/324

Errorless MP PMT 1994, 98, 2002 MCQ

Lignin is the important constituent in the cell wall of

A

Phloem

B

Parenchyma

C

Xylem

D

Cambium

Question 235: Palette 235/324

Errorless BHU 1994, 99; RPMT 2002, 06; Manipal 2005; CPMT 2009 MCQ

Root cap is absent in

A

Lithophytes

B

Hydrophytes

C

Xerophytes

D

Mesophytes

Question 236: Palette 236/324

Errorless JIPMER 1994 MCQ

Promeristem is found in

A

Embryo

B

Root apex

C

Shoot apex

D

Intercalary region

Question 237: Palette 237/324

Errorless AFMC 1994 MCQ

Meristematic tissues include

A

Leaf tips, cork cambium and vascular cambium

B

Stem and root apices, cork cambium and mature fruits

C

Stem and root apices, vascular cambium and cork cambium

D

Mature fruits and leaf tips

Question 238: Palette 238/324

Errorless BHU 1994 MCQ

When formation of metaxylem is in a centripetal manner, the xylem is

A

Endarch

B

Exarch

C

Mesarch

D

Radial

Question 239: Palette 239/324

Errorless BHU 1994 MCQ

In a vertical section of a dorsiventral leaf, the protoxylem in its midrid bundle

A

Faces the dorsal epidermis of the leaf

B

Faces the ventral epidermis of the leaf

C

Is not distinct

D

Is surrounded by metaxylem

Question 240: Palette 240/324

Errorless CPMT 1994 MCQ

The pores present in the wall of plant's stem i.e., called Or In a plant organ which is covered by periderm and in which the stomata are absent, some gaseous exchange still takes place through [AIIMS 2004]

A

Lenticels

B

Bark

C

Dalipore

D

All the above

Question 241: Palette 241/324

Errorless CBSE PMT 1994 MCQ

In a stratified cambium, the fusiform initials are

A

Long and overlap each other at the ends

B

Short and overlap each other at the ends

C

Short and arranged in horizontal tiers

D

Short or long and overlap each other at the ends

Question 242: Palette 242/324

Errorless BHU 1994 MCQ

In woody dicotyledons, the arrangement of vessels is either diffuse porous or ring porous. Based on these data, which one of the following statements is correct

A

Ring porous vessels are specialised and are used for conducting more water for a shorter period only, when tyloses occur early in the vessels

B

Although diffuse porous vessels are not so specialized as ring porous vessels, they conduct more water at all periods and through new xylem vessels added gradually during development

C

Diffuse porous vessels carry more water and also faster because of a greater number of small vessels having greater capillary force

D

Ring porous vessels conduct more water as they are formed early during development, when the need for water is great

Question 243: Palette 243/324

Errorless AIIMS 1994 MCQ

Assertion : All tissues lying inside vascular cambium are called as bark. Reason: Bark is made up of phellogen, phellem and phelloderm lying inside secondary phloem.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

E

If assertion is false but reason is true.

Question 244: Palette 244/324

Errorless CPMT 1993, 2002, 05; RPMT 2005, 06; WB JEE 2010 MCQ

Quiescent centre is found in

A

Stem tip

B

Root tip

C

Leaf tip

D

None of these

Question 245: Palette 245/324

Errorless CPMT 1993; BVP 2000 MCQ

Bordered pits are found in

A

Gymnosperms

B

Bryophytes

C

Monocots

D

Hydrilla

Question 246: Palette 246/324

Errorless CPMT 1993 MCQ

Lignin is the main constituent of

A

Woody tissues

B

Growing tissues

C

Phloem

D

Cortex

Question 247: Palette 247/324

Errorless MP PMT 1993 MCQ

The complex tissues include

A

Scleroids

B

Sclerenchyma

C

Secretory tissues

D

Collenchyma

Question 248: Palette 248/324

Errorless EAMCET 1993; RPMT 1997; CPMT 1999; HPMT 2005 MCQ

The cambium which produces cork is known as Or The common bottle cork is a product of [NCERT; CBSE PMT (Pre.) 2012] Or The meristem that is parallel to the longitudinal axis of the plant is

A

Phelloderm

B

Phellogen

C

Periblem

D

Periderm

Question 249: Palette 249/324

Errorless CBSE PMT 1993 MCQ

Which will decay faster if exposed freely

A

Soft wood

B

Heart wood

C

Sap wood

D

Wood with lots of fibres

Question 250: Palette 250/324

Errorless CBSE PMT 1992; RPMT 1997; BVP 2003 MCQ

Vascular bundles in which phloem is found on both sides of xylem are called (In which of the following phloem occurs in two patches)

A

Collateral

B

Bicollateral (Amphiphloic)

C

Radial

D

Amphicribral

Question 251: Palette 251/324

Errorless AIIMS 1992; KCET 1999; BHU 2001 MCQ

Vascular bundles in the stem of Cucurbita or Lagenaria are

A

Collateral

B

Bicollateral

C

Radial

D

Inverted

Question 252: Palette 252/324

Errorless AIIMS 1992, 2004; CBSE PMT 1994; MP PMT 2000 MCQ

The waxy substance associated with cell walls of cork cells is or cork cells are impervious to water because of the presence of or what is deposited on cork cells.

A

Cutin

B

Suberin

C

Lignin

D

Hemicellulose

Question 253: Palette 253/324

Errorless CBSE PMT 1990; AIIMS 1999; J & K CET 2002; KCET 2009 MCQ

Vascular cambium and cork cambium are examples ot

A

Lateral meristem

B

Apical meristem

C

Elements of xylem and phloem

D

Intercalary meristem

Question 254: Palette 254/324

Errorless CBSE PMT 1990 MCQ

Collenchymatous tissue is found in

A

Climbing plants

B

Aquatic plants

C

Woody climbers

D

Herbaceous climbers

Question 255: Palette 255/324

Errorless CBSE PMT 1990; BHU 1994 MCQ

Multiple epidermis on dorsal and ventral side of the leaf is found in

A

Zea mays

B

Ficus benghalensis

C

Mangifera indica

D

Nerium oleander

Question 256: Palette 256/324

Errorless CBSE PMT 1990 MCQ

In monocot leaf [NCERT Pg. No. 76]

A

Bulliform cells are absent from the epidermis

B

Veins form a network

C

Mesophyll is well differentiated into these parts

D

Mesophyll is not differentiated into palisade and spongy parenchyma

Question 257: Palette 257/324

Errorless CBSE PMT 1990; KCET 1999 MCQ

Exarch xylem is found in

A

Root

B

Stem

C

Leaf

D

Rachis

Question 258: Palette 258/324

Errorless CBSE PMT 1990 MCQ

Vascular cambium is a meristematic layer that cuts off

A

Primary xylem and primary phloem

B

Xylem vessels and xylem tracheids

C

Primary xylem and secondary xylem

D

Secondary xylem and secondary phloem

Question 259: Palette 259/324

Errorless CBSE PMT 1990 MCQ

For a successful graft, the adhesion between stock and scion is a must. Which one of the following is the earliest event towards a good graft

A

Production of plasmodesmata in cells at the interface of stock and scion

B

Coordinated differentiation of vascular tissue between the stock and scion

C

Regeneration of cortex and epidermis over the union of stock and scion

D

Production of callus tissue between the cells of stock and scion

Question 260: Palette 260/324

Errorless MCQ

See the following figures and identify the types of simple tissue marked by alphabets

A

A – Sieve tube, B - Companion cell, C – Phloem parenchyma

B

A – Sieve tube, B – Phloem parenchyma, C - Phloem fibre

C

A – Vessel, B – Xylem parenchyma, C – Companion cell

D

A - Sieve tube, B - Phloem parenchyma, C - Companion cell

Question 261: Palette 261/324

Errorless MCQ

See the following figures and identify the types of simple tissue indicated by A, B, C and D

A

A - Collenchyma, B - Parenchyma, C - Sclereid (Sclerenchyma), D - Fibre (Sclerenchyma)

B

A – Parenchyma, B – Collenchyma, C - Sclereid (Sclerenchyma), D - Fibre (Sclerenchyma)

C

A - Collenchyma, B - Parenchyma, C - Fibre (Sclerenchyma), D - Sclereid (Sclerenchyma)

D

A - Parenchyma, B - Collenchyma, C - Fibre (Sclerenchyma), D – Sclereid (Sclerenchyma)

Question 262: Palette 262/324

Errorless MCQ

In pteridophyta and gymnosperms which cells are present in place of companion cell

A

Sclereids

B

Albuminous cells

C

Idioblasts

D

None of the above

Question 263: Palette 263/324

Errorless MCQ

Cork tissue arises from

A

Periderm

B

Phellogen

C

Pelloderm

D

Phellem

Question 264: Palette 264/324

Errorless MCQ

Walls of sclerenchyma are

A

Rigid

B

Lignified

C

Pactinised

D

Suberised

Question 265: Palette 265/324

Errorless MCQ

Sieve tubes are better suited for translocation, because

A

Possess broader lumen and perforated cross walls

B

Are broader than long

C

Possess bordered pits

D

Possess no end walls

Question 266: Palette 266/324

Errorless MCQ

Collenchyma differs from parenchyma in having

A

Living protoplasm

B

Cellulose walls

C

Vacuoles

D

Pectin deposits at corners

Question 267: Palette 267/324

Errorless MCQ

Xylem fibre is

A

Bast fibre

B

Wood fibre

C

Heart wood

D

Libriform fibre

Question 268: Palette 268/324

Errorless MCQ

Which of the following are primary meristems

A

Pleurome

B

Protoderm

C

Intercalary meristem

D

All the above

Question 269: Palette 269/324

Errorless MCQ

Sieve tubes have

A

Apical and oblique septa

B

Perforated and longitudinal septa

C

Perforated and oblique septa

D

Simple oblique wall

Question 270: Palette 270/324

Errorless MCQ

Match the followings in column I with column Il and choose the correct combination

Column-I	Column-II
(A) Xylem vessels (B) Xylem tracheids (C) Xylem fibre (D) Xylem parenchyma	(P) Store food materials (Q) Obliterated lumen (R) Perforated plates (S) Chisel-like ends

A

A–S, B–R, C–Q, D–1

B

A–R, B–Q, C–P, D–4

C

A–Q, B–P, C–S, D–3

D

A–P, B–Q, C–R, D–4

E

A–R, B–S, C–Q, D–1

Question 271: Palette 271/324

Errorless MCQ

The xylem fibres are classified into

A

Protoxylem and metaxylem

B

Primary and secondary fibres

C

Fibre tracheids and fibres

D

Long and short fibres

Question 272: Palette 272/324

Errorless MCQ

Chlorenchyma cells are chlorophyll containing

A

Sclerenchyma cells

B

Epidermis

C

Parenchyma

D

Phloem

Question 273: Palette 273/324

Errorless MCQ

The correct situation of mesophyll in isobilateral grass leaf is shown by [NCERT Pg. No. 76]

A

Palisade towards adaxial surface

B

Palisade towards abaxial surface

C

Undifferentiated mesophyll

D

Palisade along both the surface

Question 274: Palette 274/324

Errorless MCQ

The following diagram shows the TS of dicot stem, certain parts have been indicated by A, B, C, D, E, F, G, H and I. Select the right answer in which these alphabets have been correctly matched with the parts which they indicate [NCERT Pg. No. 75]

A

A = Epidermal hairs, B = Epidermis, C = Parenchyma, D = Hypodermis (Collenchyma), E = Starch sheath, F = Vascular bundle, G = Bundle cap, H = Medulla or pith, I = Medullary rays

B

A = Epidermal hairs, B = Epidermis, C = Hypodermis (Collenchyma), D = Starch sheath, E = Parenchyma, F = Vascular bundle, G = Bundle cap, H = Medulla or pith, I = Medullary rays

C

A = Epidermal hairs, B = Epidermis, C = Hypodermis (Collenchyma), D = Parenchyma, E = Starch sheath, F = Bundle cap, G = Vascular bundle, H = Medullary rays, I = Medulla or pith

D

A = Epidermis, B = Epidermal hairs, C = Parenchyma, D = Starch sheath, E = Hypodermis (Collenchyma), F = Vascular bundle, G = Bundle cap, H = Medulla or pith, I = Medullary rays

Question 275: Palette 275/324

Errorless MCQ

Which of the following is not a characteristic feature of the anatomy of dicotyledonous root [NCERT Pg. No. 74]

A

Radial vascular bundles

B

Secondary growth

C

Pith little or absent

D

Vascular bundles 15 - 20

Question 276: Palette 276/324

Errorless MCQ

The given below diagram shows the T.S. of monocot stem some parts have been indicated by numbers. Select the answer in which these numbers have been correctly matched with the parts which they indicate [NCERT Pg. No. 75]

A

1 - Cuticle, 2 - Epidermis, 3 - Sclerenchymatous hypodermis, 4 - Sclerenchymatous sheath, 5 - Parenchymatous sheath, 6 - Protoxylem, 7 - Metaxylem, 8 - Phloem, 9 - Water cavity

B

1 - Cuticle, 2 - Epidermis, 3 - Sclerenchymatous hypodermis, 4 - Sclerenchymatous sheath, 5 - Parenchymatous sheath, 6 - Phloem, 7 - Protoxylem, 8 - Metaxylem, 9 - Water cavity

C

1 - Cuticle, 2 - Epidermis, 3 - Sclerenchymatous sheath, 4 - Sclerenchymatous hypodermis, 5 - Parenchymatous sheath, 6 - Phloem, 7 - Metaxylem, 8 - Protoxylem, 9 - Water cavity

D

1 - Cuticle, 2 - Epidermis, 3 - Sclerenchymatous hypodermis, 4 - Sclerenchymatous sheath, 5 - Parenchymatous sheath, 6 - Phloem, 7 - Metaxylem, 8 - Protoxylem, 9- Water cavity

Question 277: Palette 277/324

Errorless MCQ

The following diagram shows the TS of dicot root, certain parts have been indicated by letters, select the option in which these letters have been correctly matched with the parts which [NCERT Pg. No. 74] they indicate

A

A = Cortex, B = Epiblema, C = Pith, D = Endodermis, E = Root hair, F = Pericycle

B

A = Epiblema, B = Endodermis, C = Cortex, D = Root hair, E = Pith, F = Pericycle

C

A = Cortex, B = Pith, C = Epiblema, D = Endodermis, E = Root hair, F = Pericycle

D

A = Epiblema, B = Root hair, C = Cortex, D = Endodermis, E = Pith, F = pericycle

E

Partly primary and partly secondary in origin

Question 278: Palette 278/324

Errorless MCQ

Which of the following figure of dicot stem is correctly labelled [NCERT Pg. No. 75]

A

Medullary rrays Secondary xylem Secondary phloem Cambium ring

B

Medullary rays Secondary xylem Secondary phloem-Cambium ring

C

Medullary rays Secondary phloem Secondary xylem-Cambium ring

D

Secondary xylem Medullary rays Secondary phloem-Cambium ring

Question 279: Palette 279/324

Errorless MCQ

The following figure is old typical dicot root. Identify A, B, C and D [NCERT Pg. No. 74]

A

A - Secondary phloem, B - Primary xylem, C - Primary phloem, D – Vascular cambium

B

A - Primary phloem, B - Primary xylem, C - Secondary phloem, D - Vascular cambium

C

A – Secondary phloem, B - Vascular cambium, C - Primary phloem, D - Primary xylem

D

A - Primary phloem, B - Vascular cambium, C - Secondary phloem, D - Primary xylem

Question 280: Palette 280/324

Errorless MCQ

The following diagram illustrates the TS of monocot root in which certain parts have been indicated by alphabets, choose the right answer in which these alphabets have been correctly matched with the parts which they indicate[NCERT Pg. No. 74]

A

A = Root hair, B = Cortex, C = Epiblema, D = Pericycle, E = Endodermis, F = Pith, G = Passage cell, H = Phloem, I = Protoxylem, J = Metaxylem

B

A = Root hair, B = Epiblema, C = Cortex, D = Endodermis, E = Pericycle, F = Passage cell, G Phloem, H = Pith, I = Protoxylem, J = Metaxylem

C

A = Root hair, B = Epiblema, C = Cortex, D = Endodermis, E = Passage cell, F = Pith, G = Pericycle, H = Metaxylem, I = Phloem, J = Protoxylem

D

A = Root hair, B = Epiblema, C = Cortex, D = Endodermis, E = Passage cell, F = Pericycle, G = Pith, H = Phloem, I = Metaxylem, J = Protoxylem

Question 281: Palette 281/324

Errorless MCQ

Which of the following is seen in a monocot root [NCERT Pg. No. 74]

A

Large pith

B

Vascular cambium

C

Endarch xylem

D

Medullary ray

Question 282: Palette 282/324

Errorless MCQ

The following diagram shows the TS of dicot leaf passing through the midrib, some parts have been indicated by alphabets. Choose the answer in which A, B, C, D, E, F, G and H have been correctly matched with the parts which they indicate [NCERT Pg. No. 76]

A

A = Epidermis, B = Palisade parenchyma, C = Spongy parenchyma, D = Stomata, E = Guard Cells, F = Phloem, G = Metaxylem, H = Protoxylem

B

A = Epidermis, B = Palisade parenchyma, C = Spongy parenchyma, D = Stomata, E = Guard cells, F = Endodermis, G = Xylem, H = Phloem

C

A = Epidermis, B = Palisade parenchyma, C = Spongy Parenchyma, D = Sub stomatal cavity, E = Guard cells, F = Phloem, G = Metaxylem, H = Protoxylem

D

A = Epidermis, B = Spongy parenchyma, C = Palisade parenchyma, D = Stomata, E = Guard cells, F = Phloem, G = Metaxylem, H = Protoxylem

Question 283: Palette 283/324

Errorless MCQ

Which type of vascular bundles are found in A, B and C [NCERT Pg. No. 73]

A

Bicollateral; Concentric; Radial

B

Open collateral conjoint; Close collateral conjoint; Radial

C

Close collateral conjoint; Open collateral conjoint; Radial

D

Radial; Close collateral conjoint; Open collateral conjoint

Question 284: Palette 284/324

Errorless MCQ

The following types of vascular bundles (A, B and C) are present in [NCERT Pg. No. 72, 73]

A

Monocot stem and leaf, dicot root, monocot leaf respectively

B

Root, monocot stem and leaf, dicot stem respectively

C

Root, stem, leaf respectively

D

Stem, root, leaf respectively

Question 285: Palette 285/324

Errorless MCQ

The following diagrams shows the cross-section of the vascular bundle of monocot stem given aside, different parts have been indicated by alphabets; choose the option in which these alphabets have been correctly matched with the parts which they indicate [NCERT Pg. No. 76]

A

A = Bundle cap, B = Metaxylem, C = Metaphloem, D = Protoxylem, E = Protophloem, F = Lysigenous cavity, G = Xylem parenchyma

B

A = Bundle sheath, B = Primary phloem, C = Secondary phloem, D = Primary xylem, E = Secondary xylem, F = Xylem fibres, G = Hydathode

C

A = Bundle cap, B = Metaphloem, C = Protophloem, D = Protoxylem, E = Metaxylem, F = Lysigenous cavity, G = Xylem parenchyma

D

A = Bundle sheath, B = Broken phloem, C = Metaphloem, D = Metaxylem, E = Protoxylem, F = Xylem parenchyma, G = Lysigenous cavity

Question 286: Palette 286/324

Errorless MCQ

Conduction of sap in plants occurs through

A

Heartwood

B

Sapwood

C

Xylem

D

All the above

Question 287: Palette 287/324

Errorless MCQ

Secondary growth is absent in

A

Dicot stem

B

Gymnosperms

C

Monocot stem

D

Dicot root

Question 288: Palette 288/324

Errorless MCQ

External protective tissues of plants are (of dicot stem are) [NCERT Pg. No. 73, 74]

A

Cork and pericycle

B

Cortex and epidermis

C

Pericycle and cortex

D

Epidermis and cork

Question 289: Palette 289/324

Errorless MCQ

Identify the correct combination of labelling a lenticel

A

A - pore, B – complimentary cells, C – cork, D – cork cambium, E – secondary cortex

B

A – pore, B – cork, C – complimentary cells, D – cork cambium, E – secondary cortex

C

A – pore, B – cork cambium, C – secondary cortex, D - cork, E – complimentary cells

D

A – pore, B – secondary cortex, C – cork cambium, D – cork, E – complimentary cells

Question 290: Palette 290/324

Errorless MCQ

The following figure showing secondary growth in dicot stem. Identify A, B, C, D, E and F

A

A – Phellem, B – Phellogen, C - Cambium ring, D – Secondary xylem, E - Secondary phloem, F - Medullary rays

B

A – Phellogen, B – Phellem, C – Medullary rays, D – Secondary xylem, E - Secondary phloem, F - Cambium ring

C

A – Phellem, B - Phellogen, C – Medullary rays, D - Secondary phloem, E - Secondary xylem, F - Cambium ring

D

A – Phellem, B – Phellogen, C – Medullary rays, D - Secondary xylem, E - Secondary phloem, F - Cambium ring

Question 291: Palette 291/324

Errorless MCQ

Cork is a derivative of

A

Cork cambium (phellogen) or extra fascicular cambium

B

Vascular cambium

C

Fascicular cambium

D

Interfascicular cambium

Question 292: Palette 292/324

Errorless MCQ

As a tree grows older, which increases rapidly in thickness

A

Its heart wood

B

Its cortex

C

Its sap wood

D

Its phloem

Question 293: Palette 293/324

Errorless MCQ

Lenticel develops through the activity of

A

Vascular cambium

B

Dermatogen

C

Phellogen

D

Intercalary meristem

Question 294: Palette 294/324

Errorless MCQ

In old dicot stems, a major part of the wood is filled up with tannins, resins, gums etc. This part of wood is called

A

Hard wood

B

Heart wood

C

Sap wood

D

Soft wood

Question 295: Palette 295/324

Errorless MCQ

Identify the correct statement

A

Beacause of marked climatic variations, plants growing near the sea shore do not produce annual rings

B

The age of the plant can be determined by its height

C

Healing of damaged tissue is because of the activity of sclerenchyma cells

D

Grafting is difficult in monocot plants as they have scattered vascular bundles

Question 296: Palette 296/324

Errorless MCQ

Secondary growth or increase in diameter is due to

A

Ground meristem

B

Procambium

C

Cork and phelloderm

D

Vascular cambium

Question 297: Palette 297/324

Errorless MCQ

A transverse section of stem is stained first with safranin and then with fast green following the usual schedule of double staining for the preparation of a permanent slide. What would be the colour of the stained xylem and phloem [NCERT]

A

Red and green

B

Green and red

C

Orange and yellow

D

Purple and orange

Question 298: Palette 298/324

Errorless MCQ

Match the following and choose the correct option from below

Column-I	Column-II
(A) Meristem (B) Parenchyma (C) Collenchyma (D) Sclerenchyma (E) Epidermal tissue	(P) Photosynthesis, storage (Q) Mechanical support (R) Actively dividing cells (S) Stomata E. Epidermal tissue (T) Sclereids Options : INCERTI

A

A–P, B–R, C–T, D–Q, E–S

B

A–R, B–P, C–Q, D–T, E–S

C

A–Q, B–S, C–T, D–P, E–R

D

A–T, B–S, C–R, D–Q, E–P

Question 299: Palette 299/324

Errorless MCQ

Match the following and choose the correct option from below

Column-I	Column-II
(A) Cuticle (B) Bulli form cells (C) Stomata (D) Epidermis	(P) Guard cells (Q) Single layer (R) Waxy layer (S) Empty colourless cell Ontions

A

A–R, B–S, C–P, D–Q

B

A–P, B–Q, C–R, D–S

C

A–R, B–Q, C–S, D–P

D

A–R, B–Q, C–P, D–S

Question 300: Palette 300/324

Errorless MCQ

Identify the tissue system from among the following [NCERT]

A

Parenchyma

B

Xylem

C

Epidermis

D

Phloem

Question 301: Palette 301/324

Errorless MCQ

What is the fate of primary xylem in a dicot root showing extensive secondary growth [NCERT]

A

It is retained in the centre of the axis

B

It gets crushed

C

May or may not get crushed

D

It gets surrounded by primary phloem

Question 302: Palette 302/324

Errorless MCQ

Epiblema of roots is equivalent to [NCERT Pg. No. 73]

A

Pericycle

B

Endodermis

C

Epidermis

D

Stele

Question 303: Palette 303/324

Errorless MCQ

Which one of the following cell types always divides by anticlinal cell division [NCERT]

A

Fusiform initial cells

B

Root cap

C

Protoderm

D

Phellogen

Question 304: Palette 304/324

Errorless MCQ

Interfascicular cambium and cork cambium are formed due to [NCERT]

A

Cell division

B

Cell differentiation

C

Cell dedifferentiation

D

Redifferentiation

Question 305: Palette 305/324

Errorless MCQ

Phellogen and Phellem respectively denote [NCERT]

A

Cork and cork cambium

B

Cork cambium and cork

C

Secondary cortex and cork

D

Cork and secondary cortex

Question 306: Palette 306/324

Errorless MCQ

In which of the following pairs of parts of a flowering plant epidermis is absent [NCERT]

A

Root tip and shoot tip

B

Shoot bud and floral bud

C

Ovule and seed

D

Petiole and pedicel

Question 307: Palette 307/324

Errorless MCQ

How many shoot apical meristems are likely to be present in a twig of a plant possessing, 4 branches and 26 leaves [NCERT]

A

26

B

1

C

5

D

30

Question 308: Palette 308/324

Errorless MCQ

A piece of wood having no vessels (trachea) must be belong to [NCERT]

A

Teak

B

Mango

C

Pine

D

Palm

Question 309: Palette 309/324

Errorless MCQ

A plant tissue, when stained, showed the presence of hemicellulose and pectin in cell wall of its cells. The tissue represents [NCERT]

A

Collenchyma

B

Sclerenchyma

C

Xylem

D

Meristem

Question 310: Palette 310/324

Errorless MCQ

Fibres are likely to be absent in [NCERT]

A

Secondary phloem

B

Secondary Xylem

C

Primary phloem

D

Leaves

Question 311: Palette 311/324

Errorless MCQ

When we peel the skin of a potato tuber, we remove [NCERT]

A

Periderm

B

Epidermis

C

Cuticle

D

Sapwood

Question 312: Palette 312/324

Errorless MCQ

A vesselless piece of stem possessing prominent sieve tubes would belong to [NCERT]

A

Pinus

B

Eucalyptus

C

Grass

D

Trochodendron

Question 313: Palette 313/324

Errorless MCQ

If there is more than one tunica layer in a stem apex, which among the following is most likely to happen

A

All the layers will develop into epidermal cells

B

Only the outer layer will develop into epidermal cells

C

All the layers will develop into cortex

D

Inner layer develops into cortex

Question 314: Palette 314/324

Errorless MCQ

Trees at sea do not have annual rings because

A

Soil is sandy

B

There is climatic variation

C

There is no marked climatic variation

D

There is enough moisture in the atmosphere

Question 315: Palette 315/324

Errorless MCQ

See the following figures and identify the characters of Dicot and Monocot respectively

A

B, C, F, H, I; and A, D, E, G, J

B

A, C, E, G, I; and B, D, F, H, J

C

A, D, F, H, I; and B, C, E, G, J

D

A, C, F, H, I; and B, D, E, G, J

Question 316: Palette 316/324

Errorless MCQ

The following diagram shows the T.S. of monocot leaf, certain parts have been indicated by alphabets. Select the option in which A, B, C, D, E, F and G have been correctly matched with the parts which they indicate[NCERT Pg. No. 76]

A

A – Adaxial epidermis, B - Xylem, C - Stoma, D - Substomatal cavity, E – Abaxial epidermis, F – Phloem, G - Mesophyll

B

A – Adaxial epidermis, B – phloem, C – Mesophyll, D - Sub-stomatal cavity, E – Abaxial epidermis, F – Xylem, G - Stoma

C

A - Abaxial epidermis, B - Xylem, C – Mesophyll, D – Sub-stomatal cavity, E - Adaxial epidermis, F - Phloem, G – Stoma

D

A – Adaxial epidermis, B – Xylem, C – Mesophyll, D - Sub-stomatal cavity, E - Abaxial epidermis, F - Phloem, G – Stomal

Question 317: Palette 317/324

Errorless MCQ

Identify the following points A, B and C in the given diagram

A

A - Root hair primordium, B - Root apical meristem, C - Terminal bud

B

A - Root hair primordium, B - Root apical meristem C – Axillary bud

C

A – Leaf primordium, B – Shoot apical meristem, C – Apical bud

D

A – Leaf primordium, B – Shoot apical meristem, C – Axillary bud

Question 318: Palette 318/324

Errorless MCQ

The following diagram opposite illustrates a longitudinal section through a shoot apex. Which of the figures given below shows the correct appearance of this shoot apex at the formation of the next leaf primordium [NCERT]

A

B

C

D

Question 319: Palette 319/324

Errorless MCQ

Assertion: Intercalary meristems increase length of plant like apical meristem. Reason: Intercalary meristem originates from the apical meristems.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

E

If assertion is false but reason is true.

Question 320: Palette 320/324

Errorless MCQ

Assertion: Xylem and phloem are also called as leptome and hadrome respectively. Reason: Xylem and phloem conduct the tissue of the plant.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

E

If assertion is false but reason is true.

Question 321: Palette 321/324

Errorless MCQ

Assertion: Cuticle is also present in lower epidermal region of the leaf. Reason: The lower epidermis contains a large number of stomata.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

E

If assertion is false but reason is true.

Question 322: Palette 322/324

Errorless MCQ

Assertion: In grasses and cereals, intercalary meristems are not present. Reason: Intercalary meristems form permanent tissues. [NCERT Pg. No. 72]

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

E

If assertion is false but reason is true.

Question 323: Palette 323/324

Errorless MCQ

Assertion: Sapwood is less durable than the heartwood. Reason: Hollow tree trunks are due to the disappearance of sapwood.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

E

If assertion is false but reason is true.

Question 324: Palette 324/324

Errorless MCQ

Assertion: Growth rings are also called as annual rings. Reason: Generally growth ring is formed in each year.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

E

If assertion is false but reason is true.