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Q. No.Consider the given two statements:
| Statement I: | In over 60 per cent of angiosperms, pollen grains are shed at 2-celled stage. |
| Statement II: | In the remaining species, the vegetative cell divides mitotically to give rise to the two male gametes before pollen grains are shed (3-celled stage). |
| 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: Monocarpic & Polycarpic | Stamen: Anther | Stamen: Microsporangium |
55%
From NCERT
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Consider the given two statements:
| Assertion (A): | In angiosperms, seed formation is a dependable process of sexual reproduction. |
| Reason (R): | In angiosperms, reproductive processes such as pollination and fertilisation are independent of water. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A) |
| 2. | Both (A) and (R) are True and (R) does not correctly explain (A) |
| 3. | (A) is True but (R) is False |
| 4. | (A) is False but (R) is True |
Subtopic: Monocarpic & Polycarpic | Seed | FLOWER – A FASCINATING ORGAN OF ANGIOSPERMS |
From NCERT
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Q. No.
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