Q126
Allen
PYQ
MCQ
Axillary buds are derived from the activity of:
A.
Secondary meristem
B.
Apical meristem
C.
Intercalary meristem
D.
Lateral meristem
Q127
Allen
PYQ
MCQ
Which of the following is not a character of collenchyma tissue?
A.
They occur in layers below epidermis in dicotyledonous plants.
B.
They consists of cells with thick corners due to cellulose deposition
C.
They are usually dead and without protoplasts.
D.
They provide mechanical support to the growing part of the plant
Q128
Allen
PYQ
MCQ
Initiation of lateral roots and vascular cambium during secondary growth takes place in cells of :
A.
Epiblema
B.
Cortex
C.
Endodermis
D.
Pericycle
Q129
Allen
PYQ
MCQ
The type of tissue commonly found in the fruit wall of nuts is :
A.
Parenchyma
B.
Collenchyma
C.
Sclerenchyma
D.
Sclereid
Q130
Allen
PYQ
MCQ
Interfascicular cambium is present between
A.
Primary xylem and primary phloem
B.
Pericycle and endodermis
C.
Two vascular bundles
D.
Secondary xylem and secondary phlo
Q131
Allen
PYQ
MCQ
Given below are two statements :-
Assertion (A) : Late wood has fewer xylary elements with narrow vessels.
Reason (R) : Cambium is less active in winters.
In the light of the above statements,
choose the correct answer from the options given below :-
A.
Both A and R are true but R is NOT the correct explanation of A.
B.
A is true but R is false.
C.
A is false but R is true.
D.
Both A and R are true and R is the correct explanation of A.
Q132
Allen
PYQ
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.
Both Statement I and Statement II are true
B.
Both Statement I and Statement II are false
C.
Statement I is true but Statement II is false
D.
Statement I is false but Statement II is true
Q133
Allen
PYQ
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
Q134
Allen
PYQ
MCQ
The transverse section of a plant part showed polyarch, radial and exarch xylem, with endodermis and pericycle. The plant part is identified as :
A.
Monocot root
B.
Dicot root
C.
Dicot stem
D.
Monocot stem
Q135
Allen
PYQ
MCQ
Consider the following plant tissues:
(A) Axillary buds
(B) Fascicular vascular cambium
(C) Interfascicular cambium
(D) Cork cambium
(E) Intercalary meristem
Identify the lateral meristems among the above.
(A) Axillary buds
(B) Fascicular vascular cambium
(C) Interfascicular cambium
(D) Cork cambium
(E) Intercalary meristem
Identify the lateral meristems among the above.
A.
(A), (C) and (D) only
B.
(B), (C) and (D) only
C.
(A), (B), (C) and (E) only
D.
(A), (B), (D) and (E) only
Q136
Allen
PYQ
MCQ
Bulliform cells are responsible for
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.
Q137
Allen
PYQ
MCQ
In the given figure, which component has thin outer walls and highly thickened inner walls?
A.
C
B.
D
C.
A
D.
B
Q138
Allen
PYQ
MCQ
Formation of interfascicular cambium from fully developed parenchyma cells is an example for :-
A.
Differentiation
B.
Redifferentiation
C.
Dedifferentiation
D.
Maturation
Q139
Allen
PYQ
MCQ
Which of the following simple tissues are commonly found in the fruit walls of nuts and pulp of pear?
A.
Sclereids
B.
Fibres
C.
Parenchyma
D.
Collenchyma
Q140
Allen
PYQ
MCQ
Which one of the following is not found in Gymnosperms?
A.
Sieve cells
B.
Albuminous cells
C.
Tracheids
D.
Vessels
Q141
Allen
PYQ
MCQ
Which of the following helps in maintenance of the pressure gradient in sieve tubes?
A.
Albuminous cells
B.
Sieve cells
C.
Phloem parenchyma
D.
Companion cells
Q142
Allen
PYQ
MCQ
Given below are two statements :- Statement-I : In a dicotyledonous leaf, the adaxial epidermis generally bears more stomata than the abaxial epidermis. Statement-II : In a dicotyledonous leaf, adaxially placed palisade parenchyma is made up of elongated cells, which are arranged vertically and parallel to each other.
In the light of the above statements,
choose the correct answer from the options given below :-
A.
Statement I is true but Statement II is false
B.
Statement I is false but Statement II is true
C.
Both Statement I and Statement II are true
D.
Both Statement I and Statement II are false
Q143
Allen
(A) NCERT BASED QUESTIONS
MCQ
Branch of botany related with study of internal structure of plants.
A.
Cytology
B.
Anatomy
C.
Physiology
D.
Ecology
Q144
Allen
(A) NCERT BASED QUESTIONS
MCQ
A tissue is a group of cells having a -
A.
Common origin and dissimilar in function.
B.
Dissimilar origin and common in function.
C.
Dissimilar origin and common in function
D.
Common origin and usually preforming a common function.
Q145
Allen
(A) NCERT BASED QUESTIONS
MCQ
In embryonic stage, cells are
A.
Collenchymatous
B.
Sclerenchymatous
C.
Meristematic
D.
Parenchymatous
Q146
Allen
(A) NCERT BASED QUESTIONS
MCQ
Apical meristem is present
A.
At the tips of roots
B.
At the tips of shoots
C.
In buds which are present in axils of leaves
D.
All of the above
Q147
Allen
(A) NCERT BASED QUESTIONS
MCQ
Which of the following is an example of primary meristem
A.
Phellogen
B.
Vascular cambium of root
C.
Inter fascicular cambium
D.
Intra fascicular cambium
Q148
Allen
(A) NCERT BASED QUESTIONS
MCQ
Which of the following are examples of lateral meristems
A.
Fascicular vascular cambium
B.
Inter-fascicular cambium
C.
Cork cambium
D.
All of the above
Q149
Allen
(A) NCERT BASED QUESTIONS
Match the Columns
Find out the correct match pairs from the given table:- Match Column-I, Column-II and Column-III
| Column-I | Column-II | Column-III | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
|
A.
i, iv
B.
i, ii, iii
C.
ii, iii
D.
i, iii, iv
Q150
Allen
(A) NCERT BASED QUESTIONS
MCQ
Which of the following statement(s) is/are true about parenchyma?
A.
The cells are generally isodiametric
B.
The cells may either be closely packed or have intercellular spaces.
C.
It performs various functions like photosynthesis, storage & secretion.
D.
All of the above