(A) In $Cycas$ (a gymnosperm),the megasporophyll is a leaf-like structure that bears ovules. In angiosperms,the female reproductive organ is the carpe

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(A) In $Cycas$ (a gymnosperm),the megasporophyll is a leaf-like structure that bears ovules. In angiosperms,the female reproductive organ is the carpel (or pistil),which also bears ovules. Therefore,the megasporophyll of $Cycas$ is homologous to the carpel of angiosperms.

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

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The megasporophyll of $Cycas$ is homologous to which of the following?

AIIMS 2002 All AIIMS

A
Carpel
B
Stamen
C
Petal
D
Sepal

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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

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What is the function of the micropyle in an ovule?

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Identify the synergid cell from the given diagram.

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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