NEET 1991 · Class 12
Sexual Reproduction in Flowering Plants
Embryo sac occurs in
- (A)embryo
- (B)axis part of embryo
- (C)ovule
- (D)endosperm
The NCERT line that answers it
Verbatim lineA cell of the archesporium, the megaspore mother cell divides meiotically and one of the megaspores forms the embryo sac (the female gametophyte).
- Chapter
- Sexual Reproduction in Flowering Plants
- Section
- intro ~~HUMAN REPRODUCTION~~ SEXUAL REPRODUCTION IN FLOWERING PLANTS
- Page
- 22
- Words matched
- 23 of 23
The answer appears as a continuous sentence in NCERT. This is that sentence.
How this line gives the answer
0, emb=0.7541, combined=0.8525). Verified: high — The span explicitly states that 'one of the megaspores forms the embryo sac' and is located within the paragraph describing ovule structure, conclusively placing the embryo sac in the ovule.
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Question text is reproduced from the published NEET 1991 paper for study and commentary. NCERT text is quoted, not redistributed; textbooks remain at ncert.nic.in. Our mapping method, including its measured error rates, is published at /methodology.