In angiosperms, the correct sequence of events leading to the formation of female gametophyte in the ovule is:
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 |
 76%
From NCERT
NEET - 2023
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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 angiosperm embryo sac at maturity is:

1.7-nucleate and 7-celled2.8-nucleate and 8-celled
3.8-nucleate and 7-celled4.7-nucleate and 8-celled

Subtopic:  Pistil: Female Gametophyte |
 88%
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 |
 79%
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 |
 73%
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 |
 77%
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 |
 78%
From NCERT
NEET - 2016
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Filiform apparatus is a characteristic feature of?

1. Generative cell

2. nucellar embryo

3. aleurone cell

4. synergids

Subtopic:  Pistil: Female Gametophyte |
 90%
From NCERT
NEET - 2015
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In angiosperms, microsporogenesis and megasporogenesis?

1. Occur in anther

2. Form gametes without further divisions

3. Involve meiosis

4. Occur in ovule

Subtopic:  Stamen: Male Gametophyte | Pistil: Female Gametophyte |
 83%
From NCERT
NEET - 2015
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Function of filiform apparatus is to:

1. Recognize the suitable pollen at the stigma
2. Stimulate division of generative cell
3. Producer nectar
4. Guide the entry of the pollen tube

Subtopic:  Pistil: Female Gametophyte |
 94%
From NCERT
AIPMT - 2014
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