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

Medium

The arrangement of megaspores in a tetrad in a gymnosperm is:

A
Decussate
B
Tetrahedral
C
Linear
D
Isobilateral

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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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$A$ - Four cells are at the chalazal end and are called the antipodals.
$R$ - $A$ typical angiosperm embryo sac,at maturity,though $8$-nucleate is $7$-celled.

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'Cells in the micropylar region are called antipodal cells.'

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The nucellus is protected by envelopes,and this composite structure is called a/an ...... .

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Which of the following is true for a typical mature embryo sac?

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Which of the following is not a part of the pistil?

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