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Q. No.Consider the given two statements:
Assertion (A):
Bryophytes are called amphibians of the plant kingdom.
Reason (R):
Bryophytes play an important role in plant succession on bare rocks.
1.
Both (A) and (R) are True and (R) correctly explains (A).
2.
Both (A) and (R) are False.
3.
(A) is True but (R) is False.
4.
Both (A) and (R) are True but (R) does not correctly explain (A).
Subtopic: Bryophytes |
86%
From NCERT
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Gemmae are:
1. Asexual buds found in liverworts
2. Sex organs in mosses
3. Resting zygote in many fungi
4. Endospores of certain bacteria
1. Asexual buds found in liverworts
2. Sex organs in mosses
3. Resting zygote in many fungi
4. Endospores of certain bacteria
Subtopic: Bryophytes | Bryophytes (Liverworts) | Bryophytes (Anthoceropsida) |
95%
From NCERT
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What would be true regarding structures labelled as A and B in the given diagram of Funaria, a moss?
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
| 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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Evolutionarily, the first terrestrial plants to possess vascular tissues – xylem and phloem, are:
1. Bryophytes
2. Pteridophytes
3. Gymnosperms
4. Angiosperms
1. Bryophytes
2. Pteridophytes
3. Gymnosperms
4. Angiosperms
Subtopic: Pteridophytes |
94%
From NCERT
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The leaves in pteridophyta are:
1. microphylls in Selaginella or macrophylls in ferns.
2. macrophylls in Selaginella or microphylls in ferns.
3. microphylls in Selaginella and ferns.
4. macrophylls in Selaginella and ferns.
1. microphylls in Selaginella or macrophylls in ferns.
2. macrophylls in Selaginella or microphylls in ferns.
3. microphylls in Selaginella and ferns.
4. macrophylls in Selaginella and ferns.
Subtopic: Pteridophytes |
88%
From NCERT
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In majority of the pteridophytes:
1. Both I and II are correct
2. Both I and II are incorrect
3. Only I is correct
4. Only II is correct
| I: | transfer of male gamete to the female gamete does not require water |
| II: | all the spores are of similar kinds |
1. Both I and II are correct
2. Both I and II are incorrect
3. Only I is correct
4. Only II is correct
Subtopic: Pteridophytes |
From NCERT
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The class of pteridophytes to which Selaginella belongs is:
1. Psilopsida
2. Sphenopsida
3. Lycopsida
4. Pteropsida
1. Psilopsida
2. Sphenopsida
3. Lycopsida
4. Pteropsida
Subtopic: Pteridophytes |
78%
From NCERT
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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%
From NCERT
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The reduced male gametophyte in a gymnosperm is called a:
1. pollen grain
2. microsporangium
3. microsporophyll
4. antheridium
1. pollen grain
2. microsporangium
3. microsporophyll
4. antheridium
Subtopic: Gymnosperms |
74%
From NCERT
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Consider the two statements:
1. Statement I is correct; Statement II is incorrect
2. Statement I is incorrect; Statement II is incorrect
3. Statement I is correct; Statement II is correct
4. Statement I is incorrect; Statement II is correct
| Statement I: | The gymnosperms are plants in which the ovules are not enclosed by any ovary wall and remain exposed, both before and after fertilisation. |
| Statement II: | The seeds that develop post-fertilisation, are not covered, i.e., are naked. |
1. Statement I is correct; Statement II is incorrect
2. Statement I is incorrect; Statement II is incorrect
3. Statement I is correct; Statement II is correct
4. Statement I is incorrect; Statement II is correct
Subtopic: Gymnosperms |
90%
From NCERT
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