NEET Exam > NEET Questions > Embryo sac represents:a)Megagametophyteb)Mega...
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Embryo sac represents:
- a)Megagametophyte
- b)Megasporangium
- c)Microgametophyte
- d)Microsporangium
Correct answer is option 'A'. Can you explain this answer?
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Verified Answer
Embryo sac represents:a)Megagametophyteb)Megasporangiumc)Microgametoph...
The female gametophyte specifically termed a megagametophyte is also called the embryo sac in angiosperms. The megagametophyte produces an egg cell (or several in some groups) for the purpose of fertilization.
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Embryo sac represents:a)Megagametophyteb)Megasporangiumc)Microgametoph...
Embryo sac represents Megagametophyte.
Explanation:
- The female gametophyte in angiosperms is called the megagametophyte or embryo sac.
- The megagametophyte is formed inside the ovule within the ovary of the flower.
- It is formed from the megaspore, which is produced by meiosis in the megasporangium or nucellus of the ovule.
- The megaspore undergoes mitosis to form the mature embryo sac, which contains the female gametes.
- The embryo sac has three antipodal cells, two synergids, one egg cell, and a central cell with two nuclei.
- The egg cell is the female gamete that fuses with the male gamete (sperm) during fertilization to form the zygote, which develops into the embryo.
- The central cell with two nuclei is the site of double fertilization, where one sperm fuses with the two nuclei to form the endosperm, which provides nourishment to the developing embryo.
- Therefore, the embryo sac represents the megagametophyte or female gametophyte in angiosperms.
Explanation:
- The female gametophyte in angiosperms is called the megagametophyte or embryo sac.
- The megagametophyte is formed inside the ovule within the ovary of the flower.
- It is formed from the megaspore, which is produced by meiosis in the megasporangium or nucellus of the ovule.
- The megaspore undergoes mitosis to form the mature embryo sac, which contains the female gametes.
- The embryo sac has three antipodal cells, two synergids, one egg cell, and a central cell with two nuclei.
- The egg cell is the female gamete that fuses with the male gamete (sperm) during fertilization to form the zygote, which develops into the embryo.
- The central cell with two nuclei is the site of double fertilization, where one sperm fuses with the two nuclei to form the endosperm, which provides nourishment to the developing embryo.
- Therefore, the embryo sac represents the megagametophyte or female gametophyte in angiosperms.
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Community Answer
Embryo sac represents:a)Megagametophyteb)Megasporangiumc)Microgametoph...
The female gametophyte specifically termed a megagametophyte is also called the embryosac in angiosperms.
*)( It consists of 1egg cell,2 synergides,3 antipodal cells and 2 polar nuclei.
*)( It consists of 1egg cell,2 synergides,3 antipodal cells and 2 polar nuclei.
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Embryo sac represents:a)Megagametophyteb)Megasporangiumc)Microgametophyted)MicrosporangiumCorrect answer is option 'A'. Can you explain this answer?
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