In a moss, the sporophyte

1. Manufactures food for itself, as well as for the gametophyte
2. Arises from a spore produced from gametophyte
3. Is partially parasitic on the gametophyte
4. Produces gametes that give rise to the gametophyte

Subtopic:  Bryophytes |
 70%
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NEET 2025 - Target Batch
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Consider the two statements:
Statement I: Systematics takes into account evolutionary relationships between organisms.
Statement II: Taxonomy takes into account only some easily observable external characters of organisms.
1. Statement I is correct; Statement II is correct
2. Statement I is incorrect; Statement II is correct
3. Statement I is correct; Statement II is incorrect
4. Statement I is incorrect; Statement II is incorrect
Subtopic:  Systematics & Type study |
 57%
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Unlike bryophytes and pteridophytes, in gymnosperms:
I: the male and the female gametophytes do not have an independent free-living existence.
II: vascular tissues [xylem and phloem] are present.
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic:  General Accounts of Gymnosperms: II |
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Identify the incorrect match for Cycas and Pinus:
Cycas Pinus
I. Root symbiosis Cyanobacteria Mycorrhiza
II. Stems Branched Unbranched
III. Male and female cones On different trees On the same tree
 
1. Only II
2. Only I and III
3. Only III
4.  I, II and III
Subtopic:  Gymnosperms: I |
 71%
From NCERT
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Study the Assertion statement followed by the Reason statement given below:
Assertion (A): Mosses reduce the impact of falling rain and prevent soil erosion.
Reason (R): Mosses form dense mats on the soil.
 
1. (A) is True and (R) is False.
2. Both (A) and (R) are True and (R) is the correct explanation of (A).
3. Both (A) and (R) are True but (R) is not the correct explanation of (A).
4. (A) is False and (R) is True.
Subtopic:  Bryophytes |
 91%
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Consider the two statements:
Statement I: Green algae are usually grass green due to the dominance of pigments chlorophyll a and b.
Statement II: Red algae vary in colour from olive green to various shades of brown depending upon the amount of fucoxanthin.
 
1. Statement I is correct; Statement II is correct
2. Statement I is incorrect; Statement II is correct
3. Statement I is correct; Statement II is incorrect
4. Statement I is incorrect; Statement II is incorrect
Subtopic:  Chlorophyceae: Green Algae: I | Rhodophyceae: Red Algae and Importance of Algae |
 83%
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Reproduction involving fusion between one large, non-motile (static) female gamete and a smaller, motile male gamete is termed:
1. Isogamous
2. Agamous
3. Anisogamous
4. Oogamous
Subtopic:  Algae |
 89%
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The form and size of algae is highly variable. Which of the following is/are correct?
I: Ulothrix is a colonial alga.
II: Volvox is a filamentous alga.
 
1. Only I 2. Only II
3. Both I and II 4. Neither I nor II
Subtopic:  Algae | Chlorophyceae: Green Algae: I | Chlorophyceae: Green Algae: II | Chlorophyceae: Green Algae: III |
 89%
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The giant redwood tree Sequoia, one of the tallest tree species, is a:
1. Pteridophyte 2. Monocot angiosperm
3. Dicot angiosperm 4. Gymnosperm
Subtopic:  Gymnosperms |
 89%
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What would be true regarding structures labelled as A and B in the given diagram of Funaria, a moss?
I: A is the gametophyte and B is the sporophyte.
II: The ploidy of cells in A will be haploid and the ploidy of cells in B will be diploid.
 
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
Subtopic:  Bryophytes |
 71%
From NCERT
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