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Assertion : Endothecium layer of anther ...

Assertion : Endothecium layer of anther wall plays an important role in dehiscence of anther Reason : The presence of fibrous bands and defferential expansion of inner and outer tangential walls of endothecial cells cause dehiscence of anther.

A

Point out if both are true with reason being correct explanation.

B

both true but reson is not correct explanation

C

assertion true but reason is wrong

D

both are wrong

Text Solution

Verified by Experts

The correct Answer is:
A
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Knowledge Check

  • Which of the following wall layers of anther play a predominant role in its dehiscence

    A
    Epidermis
    B
    Endothecium
    C
    Middle layers
    D
    Tapetum

  • Which of the following layer of anther wall helps in protection as well as in the dehiscence of anther for the release of pollen grains ?

    A
    Epidermis
    B
    Tapetum and endothelium
    C
    Endothelium only
    D
    Outer three layers of anther wall

  • Fibrous bands present in endothecium of anther wall is made up of

    A
    sporopollenin
    B
    a-cellulose
    C
    pectin
    D
    lignin

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    Assertion (A): Tapetum is a part of anther wall that has 2-3 layers of cells. Reason (R) : Tapetum layers helps in development and growth of pollen grain.

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