Question 1: Palette 1/104

NEET 2026 MCQ

In which one of the following, the ovules are not enclosed by an ovary wall and remain exposed?

A

Funaria

B

Pinus

C

Selaginella

D

Wolffia

Question 2: Palette 2/104

NEET 2026 MCQ

Given below are two statements:

Statement I: In gymnosperms, the male and female gametophytes remain within the sporangia.

Statement II: In gymnosperms, seeds are not covered.

In the light of the above statements, choose the most appropriate answer from the options given below:

A

Statement I is incorrect but Statement II is correct

B

Both Statement I and Statement II are correct

C

Both Statement I and Statement II are incorrect

D

Statement I is correct but Statement II is incorrect

Question 3: Palette 3/104

NEET 2026 MCQ

Sphenopsida class belongs to $\_\_\_\_$ .

A

pteridophytes

B

bryophytes

C

angiosperms

D

gymnosperms

Question 4: Palette 4/104

NEET 2025 MCQ

Which one of the following is the characteristic feature of gymnosperms?

A

Seeds are absent

B

Gymnosperms have flowers for reproduction

C

Seeds are enclosed in fruits

D

Seeds are naked

Question 5: Palette 5/104

NEET 2025 MCQ

Match List-I with List-II.

	List - I		List - II
A	Pteridophyte	I	Salvia
B	Bryophyte	II	Ginkgo
C	Angiosperm	III	Polytrichum
D	Gymnosperm	IV	Salvinia

Choose the option with all correct matches.

A

A-III, B-IV, C-I, D-II

B

A-IV, B-III, C-II, D-I

C

A-III, B-IV, C-II, D-I

D

A-IV, B-III, C-I, D-II

Question 6: Palette 6/104

NEET 2025 MCQ

In bryophytes, the gemmae help in which one of the following?

A

Nutrient absorption

B

Gaseous exchange

C

Sexual reproduction

D

Asexual reproduction

Question 7: Palette 7/104

NEET 2025 MCQ

Given below are the stages in the life cycle of pteridophytes. Arrange the following stages in the correct sequence.

A. Prothallus stage

B. Meiosis in spore mother cells

C. Fertilisation

D. Formation of archegonia and antheridia in gametophyte.

E. Transfer of antherozoids to the archegonia in presence of water.

Choose the correct answer from the options given below:

A

$D, E, C, A, B$

B

$E, D, C, B, A$

C

B, A, D, E, C

D

B, A, E, C, D

Question 8: Palette 8/104

NEET 2025 MCQ

The correct sequence of events in the life cycle of bryophytes is

A. Fusion of antherozoid with egg.

B. Attachment of gametophyte to substratum.

C. Reduction division to produce haploid spores.

D. Formation of sporophyte.

E. Release of antherozoids into water.

Choose the correct answer from the options given below :

A

B, E, A, D, C

B

D, E, A, B, C

C

D, E, A, C, B

D

B, E, A, C, D

Question 9: Palette 9/104

NEET 2024 MCQ

Which one of the following is not found in Gymnosperms?

A

Sieve cells

B

Albuminous cells

C

Tracheids

D

Vessels

Question 10: Palette 10/104

NEET 2024 MCQ

Identify the incorrect pair :

A

Sphenopsida – Adiantum

B

Pteropsida – Dryopteris

C

Psilopsida – Psilotum

D

Lycopsida – Selaginella

Question 11: Palette 11/104

NEET 2024 MCQ

Which of the following is the correct match?

A

Gymnosperms : Cedrus, Pinus, Sequoia

B

Angiosperms : Wolffia, Eucalyptus, Sequoia

C

Bryophytes : Polytrichum, Polysiphonia, Sphagnum

D

Pteridophytes : Equisetum, Ginkgo, Adiantum

Question 12: Palette 12/104

NEET 2024 MCQ

Read the following statements and choose the set of correct statements:

In the members of Phaeophyceae,

A. Asexual reproduction occurs usually by biflagellate zoospores.

B. Sexual reproduction is by oogamous method only.

C. Stored food is in the form of carbohydrates which is either mannitol or laminarin.

D. The major pigments found are chlorophyll a, c and carotenoids and xanthophyll.

E. Vegetative cells have a cellulosic wall, usually covered on the outside by gelatinous coating of algin.

Choose the correct answer from the options given below:

A

A, B, C and D only

B

B, C, D and E only

C

A, C, D and E only

D

A, B, C and E only

Question 13: Palette 13/104

NEET 2023 MCQ

Match List - I with List - II.

	List - I		List - II
(A)	Pteropsida	(I)	Psilotum
(B)	Lycopsida	(II)	Equisetum
(C)	Psilopsida	(III)	Adiantum
(D)	Sphenopsida	(IV)	Selaginella

Choose the correct answer from the options given below :

A

(A)-(II), (B)-(III), (C)-(I), (D)-(IV)

B

(A)-(III), (B)-(I), (C)-(IV), (D)-(II)

C

(A)-(II), (B)-(III), (C)-(IV), (D)-(I)

D

(A)-(III), (B)-(IV), (C)-(I), (D)-(II)

Question 14: Palette 14/104

NEET 2023 MCQ

Which classes of algae possess pigment fucoxanthin and pigment phycoerythrin, respectively ?

A

Phaeophyceae and Chlorophyceae

B

Phaeophyceae and Rhodophyceae

C

Chlorophyceae and Rhodophyceae

D

Rhodophyceae and Phaeophyceae

Question 15: Palette 15/104

NEET 2023 MCQ

Which of the following statements is true?

A

All pteridophytes exhibit haplo-diplontic pattern.

B

Seed bearing plants follow haplontic pattern

C

Most algal genera are diplontic

D

Most bryophytes do not have haplo-diplontic life cycle.

Question 16: Palette 16/104

NEET 2023 MCQ

Identify the pair of heterosporous pteridophytes among the following :

A

Selaginella and Salvinia

B

Psilotum and Salvinia

C

Equisetum and Salvinia

D

Lycopodium and Selaginella

Question 17: Palette 17/104

NEET 2023 MCQ

Given below are two statements : One labelled as Assertion A and the other labelled as Reason R:

Assertion A : The first stage of gametophyte in the life cycle of moss is protonema stage.

Reason R : Protonema develops directly from spores produced in capsule.

In the light of the above statements, choose the most appropriate answer from options given below:

A

Both A and R are correct but R is NOT the correct explanation of A

B

A is correct but R is not correct

C

A is not correct but R is correct

D

Both A and R are correct and R is the correct explanation of A

Question 18: Palette 18/104

NEET 2022 MCQ

Match List-I with List-II :

	List-I		List-II
(a)	Chlamydomonas	(i)	Moss
(b)	Cycas	(ii)	Pteridophyte
(c)	Selaginella	(iii)	Alga
(d)	Sphagnum	(iv)	Gymnosperm

Choose the correct answer from the options given below

A

(a) - (ii), (b) - (iii), (c) - (i), (d) - (iv)

B

(a) - (iii), (b) - (i), (c) - (ii), (d) - (iv)

C

(a) - (iii), (b) - (iv), (c) - (ii), (d) - (i)

D

(a) - (iii), (b) - (ii), (c) - (i), (d) - (iv)

Question 19: Palette 19/104

NEET 2022 MCQ

Read the following statements and identify the characters related to the alga shown in the diagram :

(a) It is a member of Chlorophyceae

(b) Food is stored in the form of starch

(c) It is monoecious plant showing oogonium and antheridium

(d) Food is stored in the form of laminarin or mannitol

(e) It shows dominance of pigments Chlorophyll a, c and Fucoxanthin

Choose the correct answer from the options given below :

A

(c), (d) and (e) only

B

(a), and (b) only

C

(a), (b) and (c) only

D

(a), (c) and (d) only

Question 20: Palette 20/104

NEET 2022 MCQ

Hydrocolloid carrageen is obtained form :

A

Chlorophyceae and Phaeophyceae

B

Phaeophyceae and Rhodophyceae

C

Rhodophyceae only

D

Phaeophyceae only

Question 21: Palette 21/104

NEET 2022 MCQ

Which of the following is incorrectly matched?

A

Ectocarpus - Fucoxanthin

B

Ulothrix - Mannitol

C

Porphyra - Floridian Starch

D

Volvox - Starch

Question 22: Palette 22/104

NEET 2022 MCQ

Match the plant with the kind of life cycle it exhibits:

	List - I		List - II
(a)	Spirogyra	(i)	Dominant diploid sporophyte vascular plant, with highly reduced male or female gametophyte
(b)	Fern	(ii)	Dominant haploid free-living gametophyte
(c)	Funaria	(iii)	Dominant diploid sporophyte alternating with reduced gametophyte called prothallus
(d)	Cycas	(iv)	Dominant haploid leafy gametophyte alternating with partially dependent multicellular sporophyte

Choose the correct answer from the options given below :

A

(a)-(iv), (b)-(i), (c)-(ii), (d)-(iii)

B

(a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)

C

(a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)

D

(a)-(ii), (b)-(iv), (c)-(i), (d)-(iii)

Question 23: Palette 23/104

NEET 2021 MCQ

Gemmae are present in

A

Some Liverworts

B

Mosses

C

Pteridophytes

D

Some Gymnosperms

Question 24: Palette 24/104

NEET 2021 MCQ

Which of the following algae produce Carrageen?

A

Blue-green algae

B

Green algae

C

Brown algae

D

Red algae

Question 25: Palette 25/104

NEET 2021 MCQ

Which of the following algae contains mannitol as reverse food material?

A

Ulothrix

B

Ectocarpus

C

Gracilaria

D

Volvox

Question 26: Palette 26/104

NEET 2020 MCQ

Which of the following pairs is of unicellular algae?

A

Gelidium and Gracilaria

B

Anabaena and Volvox

C

Chlorella and Spirulina

D

Laminaria and Sargassum

Question 27: Palette 27/104

NEET 2020 MCQ

Floridean starch has structure similar to

A

Amylopectin and glycogen

B

Mannitol and algin

C

Laminarin and cellulose

D

Starch and cellulose

Question 28: Palette 28/104

NEET 2020 MCQ

Strobili or cones are found in

A

Pteris

B

Marchantia

C

Equisetum

D

Salvinia

Question 29: Palette 29/104

NEET 2019 MCQ

From evolutionary point of view, retention of the female gametophyte with developing young embryo on the parent sporophyte for some time, is first observed in :

A

Pteridophytes

B

Mosses

C

Liverworts

D

Gymnosperms

Question 30: Palette 30/104

NEET 2018 MCQ

Which one is wrongly matched?

A

Biflagellate zoospores – Brown algae

B

Uniflagellate gametes – Polysiphonia

C

Unicellular organism – Chlorella

D

Gemma cups – Marchantia

Question 31: Palette 31/104

NEET 2018 MCQ

Which of the following statements is correct?

A

Selaginella is heterosporous, while Salvinia is homosporous.

B

Stems are usually unbranched in both Cycas and Cedrus

C

Ovules are not enclosed by ovary wall in gymnosperms

D

Horsetails are gymnosperms

Question 32: Palette 32/104

NEET 2017 MCQ

Zygotic meiosis is characteristic of

A

Fucus

B

Funaria

C

Chlamydomonas

D

Marchanita.

Question 33: Palette 33/104

NEET 2017 MCQ

Life cycles of Ectocarpus and Fucus respectively are

A

diplontic, haplodiplontic

B

haplodiplontic, diplontic

C

haplodiplontic, haplontic

D

haplontic, diplontic.

Question 34: Palette 34/104

NEET 2017 MCQ

An example of colonial alga is

A

Volvox

B

Ulothrix

C

Spirogyra

D

Chlorella

Question 35: Palette 35/104

NEET 2017 MCQ

Select the mismatch

A

Cycas      $-$      Dioecious

B

Salvinia      $-$      Heterosporous

C

Equisetum      $-$      Homosporous

D

Pinus      $-$      Dioecious

Question 36: Palette 36/104

NEET 2016 MCQ

Conifers are adapted to tolerate extreme environmental conditions because of

A

broad hardy leaves

B

superficial stomata

C

thick cuticle

D

presence of vessels.

Question 37: Palette 37/104

NEET 2016 MCQ

Which one of the following statements is wrong?

A

Algae increase the level of dissolved oxygen in the immediate environment.

B

Algin is obtained from red algae, and carrageenan from brown algae.

C

Agar-agar is obtained from Gelidium and Gracilaria.

D

Laminaria and Sargassum are used as food.

Question 38: Palette 38/104

NEET 2016 MCQ

In bryophytes and pteridophytes, transport of male gametes requires

A

birds

B

water

C

wind

D

insects.

Question 39: Palette 39/104

NEET 2016 MCQ

Select the correct statement

A

Sequoia is one of the tallest trees.

B

The leaves of gymnosperms are not well adapted to extremes of climate.

C

Gymnosperms are both homosporous and heteroporous.

D

Salvinia, Ginkgo and Pinus all are gymnosperms.

Question 40: Palette 40/104

NEET 2015 MCQ

Which one is a wrong statement?

A

Haploid endosperm is typical feature of Gymnosperms.

B

Brown algae have chlorophyll $a$ and $c$ and fucoxanthin.

C

Archegonia are found in Bryophyta, Pteridophyta and Gymnosperms.

D

Mucor has biflagellate zoospores.

Question 41: Palette 41/104

NEET 2015 MCQ

Which one of the following statements is wrong?

A

Chlorella and Spirulina are used as space food.

B

Mannitol is stored food in Rhodophyceae.

C

Algin and carrageenan are products of algae.

D

Agar-agar is obtained from Gelidium and Gracilaria.

Question 42: Palette 42/104

NEET 2015 MCQ

Male gametes are flagellated in

A

Ectocarpus

B

Spirogyra

C

Polysiphonia

D

Anabaena.

Question 43: Palette 43/104

NEET 2015 MCQ

Read the following five statements (A to E) and select the option with all correct statements.
A.   Mosses and lichens are the first organisms to colonise a bare rock.
B.   Selaginella is a homosporous pteridophyte
C.   Coralloid roots in Cycas have VAM.
D.   Main plant body in bryophytes is gametophytic, whereas in pteridophytes it is sporophytic.
E.   In gymnosperms, male and female gametophytes are present within sporangia located on sporophyte.

A

A, D and E

B

B, C and E

C

A, C and D

D

B, C and D

Question 44: Palette 44/104

NEET 2015 MCQ

In which of the following, gametophyte is not independent free living?

A

Pteris

B

Pinus

C

Funaria

D

Marchantia

Question 45: Palette 45/104

NEET 2014 MCQ

Which one of the following is wrong about Chara?

A

Upper oogonium and lower round antheridium

B

Globule and nucule present on the same plant

C

Upper antheridium and lower oogonium

D

Globule is male reproductive structure

Question 46: Palette 46/104

NEET 2014 MCQ

Which of the following is responsible for peat formation?

A

Marchanita

B

Riccia

C

Funaria

D

Sphagnum

Question 47: Palette 47/104

NEET 2014 MCQ

Male gametophyte with least number of cells is present in

A

Pteris

B

Funaria

C

Lilium

D

Pinus.

Question 48: Palette 48/104

NEET 2013 MCQ

The plant body is thalloid in

A

Sphagnum

B

Salvinia

C

Marchantia

D

Funaria.

Question 49: Palette 49/104

NEET 2013 MCQ

Which one of the following is wrongly matched?

A

Spirogyra - Motile gametes

B

Sargassum - Chlorophyll

C

Basidiomycetes - Puffballs

D

Nostoc - Water blooms

Question 50: Palette 50/104

NEET 2013 MCQ

Syngamy can occur outside the body of the organism in

A

mosses

B

algae

C

ferns

D

Fungi

Question 51: Palette 51/104

NEET 2013 MCQ

What is common in all the three, Funaria, Dryopteris and Ginkgo?

A

Presence of archegonia

B

Well developed vascular tissues

C

Independent gametophyte

D

Independent sporophyte

Question 52: Palette 52/104

NEET 2013 MCQ

Select the wrong statement

A

In Oomycetes, female gamete is smaller and motile, while male gamete is larger and non-motile.

B

Chlamydomonas exhibits both isogamy and amisogamy and Fucas shows oogamy.

C

Isogametes are similar in structure, function and behaviour.

D

Anisogametes differ either in structure, function or behaviour.

Question 53: Palette 53/104

NEET 2013 MCQ

Read the following statements (A - E) and answer the question which follows them.

(A)   In liverworts, mosses and ferns gametophytes are free-living.
(B)   Gymnosperms and some ferns are heterosporous.
(C)   Sexual reproduction in Fucus, Volvox and Albugo is oogamous.
(D)   The sporophyte in liverworts is more elaborate than that in mosses.
(E)   Both, Pinus and Marchantia are dioecious.

How many of the above statements are correct?

A

Three

B

Four

C

One

D

Two

Question 54: Palette 54/104

NEET 2013 MCQ

Isogamous condition with non-flagellated gametes is found in

A

Volvox

B

Fucus

C

Chlamydomonas

D

Spirogyra.

Question 55: Palette 55/104

NEET 2013 MCQ

Monoecious plant of Chara shows occurrence of

A

upper antheridium and lower oogonium on the same plant

B

upper oogonium and lower antheridium on the same plant

C

antheridiophore and archegoniophore on the same plant

D

stamen and carpel on the same plant.

Question 56: Palette 56/104

NEET 2012 MCQ

Which one of the following pairs is wrongly matched?

A

Ginkgo     $-$   Archegonia

B

Salvinia     $-$   Prothallus

C

Viroids     $-$   RNA

D

Mustard     $-$   Synergids

Question 57: Palette 57/104

NEET 2012 MCQ

How many organisms in the list given below are autotrophs?
Lactobacillus, Nostoc, Chara, Nitrosomonas, Nitrobacter, Streptomyces, Saccharomyces, Trypanosoma, Porphyra, Wolffia

A

Four

B

Five

C

Six

D

Three

Question 58: Palette 58/104

NEET 2012 MCQ

Read the following five statements (A - E) and answer as asked next to them.
(A)   In Equisetum, the female gametophyte is retained on the parent sporophyte.
(B)   In Ginkgo, male gametophyte is not independent.
(C)   The sporophyte in Riccia is more developed than that in Polytrichum.
(D)   Sexual reproduction in Volvox is isogamous.
(E)   The spores of slime moulds lack cell walls.

How many of the above statements are correct?

A

Two

B

Three

C

Four

D

One

Question 59: Palette 59/104

NEET 2012 MCQ

Which one of the following is common to multicellular fungi, filamentous algae and protonema of mosses?

A

diplontic life cycle

B

Members of Kingdom Plantae

C

Mode of Nutrition

D

Multiplication by fragmentation

Question 60: Palette 60/104

NEET 2012 MCQ

Cycas and Adiantum resemble each other in having

A

seeds

B

motile sperms

C

cambium

D

vessels

Question 61: Palette 61/104

NEET 2012 MCQ

Which one of the following is a correct statement?

A

Pteridophyte gametophyte has a protonemal and leafy stage.

B

In gymnosperms, female gametophyte is free-living.

C

Antheridiophores and archegoniophores are present in pterido phytes.

D

Origin of seed habit can be traced in pteridophytes.

Question 62: Palette 62/104

NEET 2011 MCQ

Examine the figure given below and select the correct option giving all the four parts (A, B, C and D) rightly identified.

A

(A) Archegoniophore
(B) Female thallus
(C) Gemmacup
(D) Rhizoids

B

(A) Antheridiophore
(B) Male thallus
(C) Globule
(D) Roots

C

(A) Archegoniophore
(B) Female thallus
(C) Bud
(D) Foot

D

(A) Seta
(B) Sporophyte
(C) Protonema
(D) Rhizoids

Question 63: Palette 63/104

NEET 2011 MCQ

Consider the following four statements whether they are correct or wrong.
A.   The sporophyte in liverworts is more eleborate than that in mosses.
B.    Salvinia is heterosporous.
C.   The life-cycle in all seed-bearing plants is diplontic.
D.   In Pinus male and female cones are borne on different trees.

The two wrong statements together are

A

A and C

B

A and D

C

B and C

D

A and B.

Question 64: Palette 64/104

NEET 2011 MCQ

Selaginella and Salvinia are considered to represent a significant step toward evolution of seed habit because

A

female gametophyte is free and gets dispersed like seeds.

B

female gametophyte lacks archegonia.

C

megaspores possess endosperm and embryo surrounded by seed coat.

D

embryo develops in female gametophyte which is retained on parent sporophyte.

Question 65: Palette 65/104

NEET 2011 MCQ

The gametophyte is not an independent, free-living generation in

A

Polytrichum

B

Adiantum

C

Marchantia

D

Pinus.

Question 66: Palette 66/104

NEET 2011 MCQ

A prokaryotic autotrophic nitrogen fixing symbiont is found in

A

Alnus

B

Cycas

C

Cicer

D

Pisum

Question 67: Palette 67/104

NEET 2011 MCQ

Compared with the gametophytes of the bryophytes, the gametophytes of vascular plants tend to be

A

smaller but to have larger sex organs

B

larger but to have smaller sex organs

C

larger and to have larger sex organs

D

smaller and to have smaller sex organs.

Question 68: Palette 68/104

NEET 2011 MCQ

Archegoniophore is present in

A

Marchantia

B

Chara

C

Adiantum

D

Funaria.

Question 69: Palette 69/104

NEET 2010 MCQ

Examine the figures A, B, C and D. In which one of the four options all the items A, B, C and D are correct?

A

(A) $ \to $ Funaria, (B) $ \to $ Adiantum, (C) $ \to $ Salvinia, (D) $ \to $ Riccia

B

(A) $ \to $ Equisetum, (B) $ \to $ Ginkgo, (C) $ \to $ Selaginella, (D) $ \to $ Lycopodium

C

(A) $ \to $ Chara, (B) $ \to $ Marchantia, (C) $ \to $ Fucus, (D) $ \to $ Pinus

D

(A) $ \to $ Selaginella, (B) $ \to $ Equisetum, (C) $ \to $ Salvinia, (D) $ \to $ Ginkgo

Question 70: Palette 70/104

NEET 2010 MCQ

Which one of the following is monoecious?

A

Marchantia

B

Cycas

C

Pinus

D

Date palm

Question 71: Palette 71/104

NEET 2010 MCQ

Male and female gametophytes are independent and free-living in

A

mustard

B

castor

C

Pinus

D

Sphagnum.

Question 72: Palette 72/104

NEET 2010 MCQ

Algae have cell wall made up of:

A

cellulose, galactans and mannans

B

hemicellulose, pectins and proteins

C

pectins, cellulose and proteins

D

cellulose, hemicellulose and pectins.

Question 73: Palette 73/104

NEET 2009 MCQ

Which one of the following has haplontic life cycle?

A

Polytrichum

B

Ustilago

C

Wheat

D

Funaria

Question 74: Palette 74/104

NEET 2009 MCQ

Which one of the following plants is monoecious?

A

Pinus

B

Cycas

C

Papaya

D

Marchantia

Question 75: Palette 75/104

NEET 2009 MCQ

Mannitol is the stored food in

A

Porphyra

B

Fucus

C

Gracillaria

D

Chara.

Question 76: Palette 76/104

NEET 2009 MCQ

Which one of the following is considered important in the development of seed habit?

A

Heterospory

B

Haplontic life cycle

C

Free-living gametophyte

D

Dependent sporophyte

Question 77: Palette 77/104

NEET 2009 MCQ

Which one of the following is a vascular cryptogam?

A

Ginkgo

B

Marchantia

C

Cedrus

D

Equisetum

Question 78: Palette 78/104

NEET 2008 MCQ

Select one of the following pairs of important features distinguishing Gnetum from Cycas and Pinus and showing affinities with angiosperms.

A

Perianth and two integuments

B

Embryo development and apical meristem

C

Absence of resin duct and leaf venation

D

Presence of vessel elements and absence of archegonia

Question 79: Palette 79/104

NEET 2008 MCQ

Which one of the following is heterosporous?

A

Adiantum

B

Equisetum

C

Dryopteris

D

Salvinia

Question 80: Palette 80/104

NEET 2008 MCQ

In which one of the following male and female gametophytes do not have free living independent existance?

A

Polytrichum

B

Cedrus

C

Pteris

D

Funaria

Question 81: Palette 81/104

NEET 2007 MCQ

Spore dissemination in some liverworts is added by

A

indusium

B

calyptra

C

peristome teeth

D

elaters.

Question 82: Palette 82/104

NEET 2007 MCQ

Flagellated male gametes are present in all the three of which one of the following sets?

A

Zygnema, Saprolegnia and Hydrilla

B

Fucas, Marsilea and Calotropis

C

Riccia, Dryopteris and Cycas

D

Anthoceros, Funaria and Spirogyra

Question 83: Palette 83/104

NEET 2007 MCQ

In gymnosperms, the pollen chamber represents

A

a cavity in the ovule in which pollen grains are stored after pollination

B

an opening in the megagametophyte through which the pollen tube approaches the egg

C

the microsporangium in which pollen grains develop

D

a cell in the pollen grain in which the sperms are formed.

Question 84: Palette 84/104

NEET 2007 MCQ

If you are asked to classify the various algae into distinct groups, which of the following characters you should choose?

A

Nature of stored food materials in the cell

B

Structural organization of thallus

C

Chemical composition of the cell wall

D

Types of pigments present in the cell

Question 85: Palette 85/104

NEET 2007 MCQ

In the prothallus of a vascular cryptogam, the antherozoids and eggs mature at different times. As a result

A

there is high degree of sterility

B

one can conclude that the plants is apomictic

C

self fertilization is prevented

D

there is no change in success rate of fertilization.

Question 86: Palette 86/104

NEET 2006 MCQ

Conifers differ from grasses in the

A

formation of endosperm before fertilization

B

production of seeds from ovules

C

lack of xylem tracheids

D

absence of pollen tubes.

Question 87: Palette 87/104

NEET 2006 MCQ

In a moss, the sporophyte

A

manufactures food for itself, as well as for the gametophyte

B

is partially parasitic on the gametophyte

C

produces gametes that give rise to the gametophyte

D

arises form a spore produced from the gametophyte.

Question 88: Palette 88/104

NEET 2006 MCQ

Peat moss is used as a packing material for sending flowers and live plants to distant places because

A

it serves as a disinfectant

B

it is easily available

C

it is hygroscopic

D

it reduces transpiration.

Question 89: Palette 89/104

NEET 2005 MCQ

Top-shaped multiciliate male gametes and the nature seed which bears only one embryo with two cotyledons, are characterised features of

A

cycads

B

conifers

C

polypetalous angiosperms

D

gamopetalous angiosperms

Question 90: Palette 90/104

NEET 2005 MCQ

Ectophloic siphonostele is found in

A

Osmunda and Equisetum

B

Marsilea and Botrychium

C

Adiantum and Cucurbitaceae

D

Dicksonia and Maiden hair fern.

Question 91: Palette 91/104

NEET 2005 MCQ

Auxospores and hormogonia are formed, respectively, by

A

some diatoms and several cyanobacteria

B

some cyanobacteria and many diatoms

C

several cyanobacteria and several diatoms

D

several diatoms and a few cyanobacteria.

Question 92: Palette 92/104

NEET 2005 MCQ

Match items in column ${\rm I}$ with those in column ${\rm I}$${\rm I}$.

Column ${\rm I}$		Column ${\rm I}$${\rm I}$
(A)	Peritrichous flagellation	(J)	Ginkgo
(B)	Living fossil	(K)	Macrocystis
(C)	Rhizophore	(L)	Eschericha coli
(D)	Smallest flowering plant	(M)	Selaginella
(E)	Largest perennial alga	(N)	Wolffia

Select the correct answer from the following.

A

(A) - (L);  (B) - (J);  (C) - (M);  (D) - (N);  (E) - (K)

B

(A) - (K);  (B) - (J);  (C) - (L);  (D) - (M);  (E) - (N)

C

(A) - (N);  (B) - (L);  (C) - (K);  (D) - (N);  (E) - (J)

D

(A) - (J);  (B) - (K);  (C) - (N);  (D) - (L);  (E) - (K)

Question 93: Palette 93/104

NEET 2004 MCQ

Diversification in plant life appeared

A

due to long periods of evolutionary changes

B

due to abrupt mutations

C

suddenly on earth

D

by seed dispersal.

Question 94: Palette 94/104

NEET 2004 MCQ

Angiosperms have dominated the land flora primarily because of their

A

power of adaptability in diverse habitat

B

property of producting large number of seeds

C

nature of self pollination

D

domestication by man.

Question 95: Palette 95/104

NEET 2003 MCQ

Which one pair of examples will correctly represent the grouping spermatophyta according to one of the schemes of classifying plants?

A

Acacia, sugarcane

B

Pinus, Cycas

C

Rhizopus, Tritticum

D

Ginkgo, Pisum

Question 96: Palette 96/104

NEET 2003 MCQ

Which one of the following pairs of plants are not seed producers?

A

Fern and Funaria

B

Funaria and Ficus

C

Ficus and Chlamydomonas

D

Funaria and Pinus

Question 97: Palette 97/104

NEET 2003 MCQ

Plants reproducing by spores such as mosses and ferns are grouped under the general term

A

cryptogams

B

bryophytes

C

sporophytes

D

thallophytes.

Question 98: Palette 98/104

NEET 2003 MCQ

Sexual reproduction in Spirogyra is an advanced feature because it shows

A

different sizes of motile sex organs

B

same size of motile sex organs

C

morphologically different sex organs

D

physiologically differentiated sex organs.

Question 99: Palette 99/104

NEET 2002 MCQ

Which of the following plants produces seeds but not flowers?

A

Maize

B

Mint

C

Peepal

D

Pinus

Question 100: Palette 100/104

NEET 2002 MCQ

Which of the following is without exception in angiosperms?

A

Presence of vessels

B

Double fertilisation

C

Secondary growth

D

Autotrophic nutrition

Question 101: Palette 101/104

NEET 2001 MCQ

Cycas has two cotyledons but not included in angiosperms because of

A

naked ovules

B

seems like monocot

C

circinate ptyxis

D

compound leaves.

Question 102: Palette 102/104

NEET 2000 MCQ

A student observed an algae with chlorophyll a, b and phycoerythrin, it should belong to

A

Phaeophyta

B

Rhodophyta

C

Chlorophyta

D

Bacillariophyta

Question 103: Palette 103/104

NEET 2000 MCQ

Plant group with largest ovule, largest tree, and largest gametes is

A

gymnosperm

B

angiosperm

C

bryophyta

D

pteridophyta.

Question 104: Palette 104/104

NEET 2000 MCQ

In ferns, meiosio takes place at the time of

A

spore formation

B

spore germination

C

gamete formation

D

antheridia and archegon ia formation