Which of the following wall layer of anther s | vedclass

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(D) The wall of a mature anther consists of four layers: Epidermis, Endothecium, Middle layers, and Tapetum.$1$. The $Epidermis$ is the outermost prot

Vedclass · Accepted Answer

Endothecium

Vedclass · Answer

(D) The wall of a mature anther consists of four layers: Epidermis, Endothecium, Middle layers, and Tapetum.$1$. The $Epidermis$ is the outermost protective layer.$2$. The $Endothecium$ lies just below the epidermis. At maturity, the cells of the endothecium develop fibrous thickenings of cellulose (often referred to as callose or cellulosic bands) which help in the dehiscence of the anther.$3$. The $Middle$ $layers$ are ephemeral and degenerate at maturity.$4$. The $Tapetum$ is the innermost layer that provides nourishment to the developing pollen grains.Therefore, the correct answer is $Endothecium$.

Which of the following wall layer of anther shows fibrous thickenings of callose?

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