Assertion (A): | The megaspore mother cell divide mitotically to produce four spores. |
Reason (R): | Megaspore mother cells are diploid and megaspore is haploid. |
1. | Both (A) & (R) are true and (R) is the correct explanation of (A). |
2. | Both (A) & (R) are true but (R) is not the correct explanation of (A). |
3. | (A) is true but (R) is false. |
4. | Both (A) is false but (R) is true. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyFrom the statements given below, choose the option that is true for a typical female gametophyte of a flowering plant:
i. | It is 8-nucleate and 7-celled at maturity |
ii. | It is free-nuclear during the development |
iii. | It is situated inside the integument but outside the nucellus |
iv. | It has an egg apparatus situated at the chalazal end |
1. | i and iv | 2. | ii and iii |
3. | i and ii | 4. | ii and iv |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology