Plant Kingdom — DPP 3

20 NEET questions from Plant Kingdom, with answers and explanations. Attempt it as a timed test to get scoring, accuracy breakdown and mistake tracking.

Attempt this test free 20 questions · 30 minutes · +80 marks
1
Which plant group is exclusively perennial?
  1. A Dicots
  2. B Ferns
  3. C Gymnosperms
  4. D Monocots
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Correct answer: C

2
Which of the following is not a part of flower?
  1. A Androecium
  2. B Gynoecium
  3. C Calyx
  4. D Trophophyll
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Correct answer: D

3
Most advanced group of Algae is :-
  1. A Myxophyta
  2. B Chlorophyta
  3. C Brown algae
  4. D Phaeophyta
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Correct answer: B

4
The leaves of Pteridophyta are :-
  1. A Microphylls
  2. B Macrophylls
  3. C Both (1) & (2)
  4. D None of these
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Correct answer: C

5
Oogonia of Thallophyta differs with archegonia of Bryophyta :-
  1. A Being multicellular
  2. B Being jacketed
  3. C Being stalked
  4. D Being unicellular and jacket less
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Correct answer: D

6
Which of the following plant groups, produces flowers ?
  1. A Bryophytes
  2. B Pteridophytes
  3. C Algae
  4. D Angiosperms
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Correct answer: D

7
The life cycle pattern of Fucus is: -
  1. A Haplontic
  2. B Diplontic
  3. C Haplo-diplontic
  4. D All of these
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Correct answer: B

8
If you are asked to classify the various algae into distinct groups, which of the following characters you should choose?
  1. A Chemical composition of the cell wall
  2. B Types of pigments present in the cell
  3. C Nature of stored food materials in the cell
  4. D Structural organization of thallus
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Correct answer: B

9
Female sex organ of algae is called :-
  1. A Carpel
  2. B Oogonium
  3. C Archegonia
  4. D Oosphere
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Correct answer: B

10
Identify the correct set of statements:
(a) In spirogyra sporophytic generation is represented only by one called zygote.
(b) Fucus is a brown alga shows diplontic life cycle.
(c) Bryophytes and pteridophytes show diplontic life cycle.
(d) Ectocarpus, Polysiphonia, kelps are haplodiplontic.
(e) Gymnosperms and angiosperms show haplontic life cycle.
Choose the correct answer from options given below:
  1. A (a), (b) and (e) only
  2. B (a), (b), (d) and (e) only
  3. C (a), (b) and (d) only
  4. D (b) and (d) only
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Correct answer: C

11
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?
  1. A Four
  2. B One
  3. C Two
  4. D Three
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Correct answer: D

12
Assertion: Phaeophyceae are brown algae.
Reason: Phaeophyceae contain large amount of xanthophyll pigment called fucoxanthin which gives brown colour.
  1. A If both the assertion and the reason are true and the reason is a correct explanation of the assertion.
  2. B If both the assertion and reason are true but the reason is not a correct explanation of the assertion.
  3. C If the assertion is true but the reason is false.
  4. D If both the assertion and reason are false.
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Correct answer: A

13
Vessels and companion cells are found in :-
  1. A Pteridophyta
  2. B Gnetum
  3. C Ephedra
  4. D Angiosperm
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Correct answer: D

14
Pteridophyta have advancement over bryophyta in :-
  1. A Presence of vascular tissues
  2. B Presence of roots
  3. C Necessity of water for fertilisation
  4. D (1) and (2) both
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Correct answer: D

15
Leafy gametophyte occurs in:-
  1. A Liverworts
  2. B Hornworts
  3. C Moss
  4. D Fern
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Correct answer: C

16
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : Most algal genera are haplontic.
Reason (R) : In algae, mitosis in zygote results in the formation of diploid spores, the diploid spores divide meiotically to form Gametophyte.
In the light of the above statements, choose the most appropriate answer from the options given below:
  1. A Both (A) & (R) are correct but (R) is not the correct explanation of (A).
  2. B (A) is correct but (R) is not correct.
  3. C (A) is not correct but (R) is correct.
  4. D Both (A) & (R) are correct and (R) is the correct explanation of (A).
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Correct answer: B

17
Brown algae belong to class?
  1. A Chlorophyceae
  2. B Rhodophyceae
  3. C Phaeophyceae
  4. D Bacillariophyceae
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Correct answer: C

18
Branched stem is the property of :
  1. A Cycas, Pinus
  2. B Cycas, Cedrus
  3. C Pinus, Cedrus
  4. D Cycas
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Correct answer: C

19
Life cycle of gymnosperm is: -
  1. A Haplontic
  2. B Haplo-diplontic
  3. C Diplontic
  4. D Diplohaplontic
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Correct answer: C

20
Fusion between a large, nonmotile (static) female gamete and a smaller, motile male gamete is termed as :-
  1. A Isogamy
  2. B Oogamy
  3. C Anisogamy
  4. D Autogamy
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Correct answer: B

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