(B) In angiosperms,the megaspore mother cell undergoes meiosis to produce four megaspores. Three of these degenerate,and the remaining one functional

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(B) In angiosperms,the megaspore mother cell undergoes meiosis to produce four megaspores. Three of these degenerate,and the remaining one functional megaspore develops into the embryo sac. Since the embryo sac is the structure that produces the female gamete (egg cell),it is referred to as the female gametophyte. Therefore,the embryo sac represents the female gametophyte.

Class 12 Biology Sexual Reproduction in Flowering Plants The Pistil, Megasporangium (ovule) and Embryo sac

Medium

The embryo sac of an angiosperm plant represents .....

A
Male gametophyte
B
Female gametophyte
C
Male sporophyte
D
Female sporophyte

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Class 12 Questions

Class 12

Biology Questions

Chapter

Sexual Reproduction in Flowering Plants

Subtopic

The Pistil, Megasporangium (ovule) and Embryo sac

Which of the following plants has orthotropous ovules?

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Identify $X$ and $Y$ in the given diagram of an anatropous ovule.

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In a haplontic life cycle,how many haploid nuclei degenerate out of the four produced?

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Match the columns $I$ and $II$ and choose the correct combinations.

Column-$I$ Column-$II$

$(a)$ Funicle $(i)$ Small opening of ovule

$(b)$ Integuments $(ii)$ Stalk of ovule

$(c)$ Chalaza $(iii)$ Protective envelopes of ovule

$(d)$ Hilum $(iv)$ Junction part of ovule and stalk

$(e)$ Micropyle $(v)$ Base of ovule

Column-$I$	Column-$II$
$(a)$ Funicle	$(i)$ Small opening of ovule
$(b)$ Integuments	$(ii)$ Stalk of ovule
$(c)$ Chalaza	$(iii)$ Protective envelopes of ovule
$(d)$ Hilum	$(iv)$ Junction part of ovule and stalk
$(e)$ Micropyle	$(v)$ Base of ovule