(B) The megasporangium (ovule) is surrounded by protective layers called integuments.These integuments encircle the nucellus except at the tip,where a

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(B) The megasporangium (ovule) is surrounded by protective layers called integuments.These integuments encircle the nucellus except at the tip,where a small opening is left.This small opening is known as the $Micropyle$.It serves as the entry point for the pollen tube during fertilization.

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

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What is the small opening at the apex of the megasporangium,which is not covered by the integuments,called?

A
Germ pore
B
Micropyle
C
Embryo sac
D
Stomatal pore

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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

In angiosperms,the embryo sac is developed from:

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Identify the correct statement.

EasyKCET 2021

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In pea plants,the ovule is . . . . . . .

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The female gametophyte of a typical dicot at the time of fertilization is

MediumAIPMT 1993

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Match List-$I$ with List-$II$:

List-$I$ List-$II$

$A$. Hilum $I$. Residual persistent nucellus

$B$. Perisperm $II$. Basal part of ovule

$C$. Chalaza $III$. Junction between ovule and funicle

$D$. Funicle $IV$. Stalk by which ovule is attached to placenta

Choose the correct answer from the options given below:

List-$I$	List-$II$
$A$. Hilum	$I$. Residual persistent nucellus
$B$. Perisperm	$II$. Basal part of ovule
$C$. Chalaza	$III$. Junction between ovule and funicle
$D$. Funicle	$IV$. Stalk by which ovule is attached to placenta