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Question

Match the following.

ColumnIColumnII(i). Epidermis(a). Nutritive layer(ii). Endothecium(b). Dehiscence of anther(iii). Tapetum(c). Protective layer(iv). Middle layers(d). Shortlived layer

A

(i) - (c), (ii) - (b), (iii) - (d), (iv) - (a)

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B

(i) - (a),(ii) - (b), (iii) - (c), (iv) - (d)

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C

(i) - (d), (ii) -(c), (iii) - (b), (iv) - (a)

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D

(i) - (c), (ii) - (b), (iii) - (a), (iv) - (d)

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Solution

The correct option is D

(i) - (c), (ii) - (b), (iii) - (a), (iv) - (d)


Anther wall consists of four layers- epidermis, endothecium, middle layers and tapetum. The epidermis is thick-walled and gives protection. Endothecial cells have fibrous thickenings which are hygroscopic helping in anther dehiscence. Middle layers are thin walled and short-lived while tapetum is the innermost layer that supplies nutrients to developing pollen.


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