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Q. No.
Statement I:
Red algae do not occur in well-lighted regions close to the surface of water.
Statement II:
Red algae reproduce by non-motile spores and non-motile gametes.
1.
Statement I is correct; Statement II is correct
2.
Statement I is correct; Statement II is incorrect
3.
Statement I is incorrect; Statement II is correct
4.
Statement I is incorrect; Statement II is incorrect
Subtopic: Rhodophyceae: Red Algae and Importance of Algae |
61%
From NCERT
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The given figure shows:
1. Only I is correct
2. Only II is correct
3. Only II and III are correct
4. I, II and III are incorrect
| I: | The male gametophyte of Marchantia |
| II: | Hair like multicellular, branched true roots on the margins of the plant body. |
| III: | Sexual reproductive cup like structures on the dorsal surface of the plant. |
2. Only II is correct
3. Only II and III are correct
4. I, II and III are incorrect
Subtopic: Bryophytes |
55%
From NCERT
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Where does the early embryonic development of zygote in bryophytes take place?
1. In the Protonema.
2. In the Sporangium.
3. In the Antheridium.
4. In the Archegonium.
1. In the Protonema.
2. In the Sporangium.
3. In the Antheridium.
4. In the Archegonium.
Subtopic: Bryophytes |
58%
From NCERT
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Which of the following statements is true about zoospores and gametes in brown algae?
| 1. | Both zoospores and gametes in brown algae are motile and have equal sized flagella. |
| 2. | Zoospores are non-motile while gametes are motile, both lacking flagella. |
| 3. | Zoospores are motile with two flagella, while gametes are non-motile. |
| 4. | Zoospores and gametes are both motile and similar in the number of flagella. |
Subtopic: Pheophyceae: Brown Algae |
From NCERT
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Match the correct features with Pinus:
1. Only I and II
2. Only I and III
3. Only II and III
4. I, II and III
| I: | Needle like Leaves |
| II: | Reproduce by spores |
| III: | Male and female cones on the same plant |
2. Only I and III
3. Only II and III
4. I, II and III
Subtopic: Gymnosperms |
From NCERT
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Select the incorrect statement about artificial system of classification of Linnaeus
| 1. | It is called artificial system because it is based on only one or two characters |
| 2. | It was based on androecium structure |
| 3. | It is also called sexual system as he chiefly used characters of stamens |
| 4. | It divides flowering and non-flowering plants into two categories |
Subtopic: Classification System |
From NCERT
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Given below are two statements:
| Assertion (A): | Water is required for transfer of male gametes to archegonium in ferns |
| Reason (R): | Ferns bear sporangia on gametophytes which in turn bear diploid sex organs |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Pteridophytes |
From NCERT
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Unlike bryophytes and pteridophytes, in gymnosperms:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | the male and the female gametophytes do not have an independent free-living existence. |
| II: | vascular tissues [xylem and phloem] are present. |
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 |
From NCERT
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In mosses, spores:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I nor II are incorrect
| I: | are contained in capsule |
| II: | undergo meiosis |
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I nor II are incorrect
Subtopic: Bryophytes |
From NCERT
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Consider the given two statements:
| Statement I: | Ferns have small leaves called microphylls |
| Statement II: | Equisetum has strobili or cones |
| 1. | Statement I is correct; Statement II is correct |
| 2. | Statement I is correct; Statement II is incorrect |
| 3. | Statement I is incorrect; Statement II is correct |
| 4. | Statement I is incorrect; Statement II is incorrect |
Subtopic: Pteridophytes |
57%
From NCERT
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