What is true for wall of pollen sac?

Endothecium occurs inner to stomium

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Tapetum lies below the endothecium

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Middle layers occur below the epidermis and outside the tapetum

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Middle layers lie between endothecium and tapetum.

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Solution

The correct option is D Middle layers lie between endothecium and tapetum.

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Similar questions

Q. Assertion :A typical microsporangium of angiosperms is generally surrounded by four wall layers- epidermis, endothecium, middle layers and tapetum. Reason: The outer three wall layers perform the function of protection and help in dehiscence of anther to release the pollen.

Q. During the development of anther wall layers, if inner secondary parietal layer differentiates into tapetum and the outer secondary parietal layer divides producing endothecium and middle layer, the development of anther wall layers would confirm to .................

Match the following.

Column - I Column - II
(i). Epidermis (a). Nutritive layer
(ii). Endothecium (b). Dehiscence of anther
(iii). Tapetum (c). Protective layer
(iv). Middle layers (d). Short-lived layer

Q. The innermost wall layer of pollen sac is tapetum. Its function is to provide

Q. Which of the following occurs in layers below the epidermis in dicotyledonous plants?

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