(D) The provided diagram shows an orthotropous ovule. In an orthotropous ovule,the micropyle,chalaza,and funicle lie in a single straight vertical lin

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(D) The provided diagram shows an orthotropous ovule. In an orthotropous ovule,the micropyle,chalaza,and funicle lie in a single straight vertical line. This is considered the most primitive type of ovule and is found in members of the family Polygonaceae (e.g.,Polygonum) and Piperaceae.

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

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The diagram given below represents the sectional view of

A
Amphitropous ovule
B
Campylotropous ovule
C
Anatropous ovule
D
Orthotropous ovule

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Class 12

Biology Questions

Chapter

Sexual Reproduction in Flowering Plants

Subtopic

The Pistil, Megasporangium (ovule) and Embryo sac

Megaspores are produced from the megaspore mother cells after

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$A$ mature embryo sac at the final stage of development contains: (in $cells$)

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Filiform apparatus is found in which part of angiosperms?

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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