Q. No.Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R).
In the light of the above statements, choose the correct from the options given below:
| Assertion (A): | A typical unfertilised, angiosperm embryo sac at maturity is 8-nucleate and 7-celled. |
| Reason (R): | The egg apparatus has 2 polar nuclei. |
| 1. | (A) is True but (R) is False. |
| 2. | (A) is False but (R) is True. |
| 3. | Both (A) and (R) are True and (R) is the correct explanation of (A) |
| 4. | Both (A) and (R) are true but (R) is not the correct explanation of (A) |
Subtopic: Pistil: Female Gametophyte |
56%
From NCERT
NEET - 2025
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How many meiotic and mitotic divisions need to occur for the development of a mature female gametophyte from the megaspore mother cell in an angiosperm plant?
1. 1 Meiosis and 3 Mitosis
2. No Meiosis and 2 Mitosis
3. 2 Meiosis and 3 Mitosis
4. 1 Meiosis and 2 Mitosis
1. 1 Meiosis and 3 Mitosis
2. No Meiosis and 2 Mitosis
3. 2 Meiosis and 3 Mitosis
4. 1 Meiosis and 2 Mitosis
Subtopic: Pistil: Female Gametophyte |
66%
From NCERT
NEET - 2025
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In angiosperms, the correct sequence of events leading to the formation of female gametophyte in the ovule is:
Choose the correct answer from the options given below:
| A. | 3 successive free nuclear divisions in functional megaspore. |
| B. | Degeneration of 3 megaspores |
| C. | Meiotic division in megaspore mother cell |
| D. | Migration of 3 nuclei towards each pole. |
| E. | Formation of a wall resulting in seven celled embryosac. |
Choose the correct answer from the options given below:
| 1. | (A), (B), (C), (D), (E) | 2. | (C), (E), (A), (D), (B) |
| 3. | (B), (C), (A), (D), (E) | 4. | (C), (B), (A), (D), (E) |
Subtopic: Pistil: Ovule | Pistil: Female Gametophyte |
77%
From NCERT
NEET - 2023
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NEET 2026 - Target Batch - Vital
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In general the egg apparatus of embryo sac in angiosperm consists of:
| 1. | One egg cell, two synergids, three antipodal cells, two Polar nuclei |
| 2. | One egg cell, two synergids, two antipodal cells, three Polar nuclei |
| 3. | One egg cell, three synergids, two antipodal cells, two Polar nuclei |
| 4. | One egg cell, two synergids, two antipodal cells, two Polar nuclei |
Subtopic: Pistil: Female Gametophyte |
89%
From NCERT
NEET - 2022
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A typical angiospermic embryo sac is:
| 1. | 8 - nucleate, 8 - celled |
| 2. | 7 - nucleate, 8 - celled |
| 3. | 8 - nucleate, 7 - celled |
| 4. | 7 - nucleate, 6 - celled |
Subtopic: Pistil: Female Gametophyte |
93%
From NCERT
NEET - 2021
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A typical angiosperm embryo sac at maturity is:
1. 7-nucleate and 7-celled
2. 8-nucleate and 8-celled
3. 8-nucleate and 7-celled
4. 7-nucleate and 8-celled
Subtopic: Pistil: Female Gametophyte |
90%
From NCERT
NEET - 2021
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Which one of the following statements regarding post-fertilization development in flowering plants is incorrect?
| 1. | Ovules develop into an embryo sac |
| 2. | Ovary develops into fruit |
| 3. | Zygote develops into an embryo |
| 4. | Central cell develops into endosperm |
Subtopic: Pistil: Female Gametophyte |
80%
From NCERT
NEET - 2019
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Which is the most common type of embryo sac in angiosperms?
1. Tetrasporic with one mitotic stage of division
2. Monosporic with three sequential mitotic divisions
3. Monosporic with two sequential mitotic divisions
4. Bisporic with two sequential mitotic divisions
Subtopic: Pistil: Female Gametophyte |
74%
From NCERT
NEET - 2019
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Functional megaspore in an angiosperm develops into:
| 1. | Endosperm | 2. | Embryo sac |
| 3. | Embryo | 4. | Ovule |
Subtopic: Pistil: Female Gametophyte |
79%
From NCERT
NEET - 2017
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In the majority of angiosperms:
| 1. | egg has a filiform apparatus |
| 2. | there are numerous antipodal cells |
| 3. | reduction division occurs in the megaspore mother cells |
| 4. | a small central cell is present in the embryo sac |
Subtopic: Pistil: Female Gametophyte |
77%
From NCERT
NEET - 2016
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