Nutritive layer of anther wall is

Epidermis

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Endothecium

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Tapetum

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Archesporium

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Solution

The correct option is B Tapetum
The tapetum is a layer of nutritive cells found within the sporangium, particularly within the anther of flowering plants.
Tapetum is important for the development of pollen grains. The cells are usually bigger and normally have more than one nucleus per cell. As the sporogenous cells undergo mitosis, the nuclei of tapetal cells also divide. Sometimes, this mitosis is not normal due to which many cells of mature tapetum become multinucleate. Sometimes, polyploidy and polyteny can also be seen.
Thus, the correct answer is option C.

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an ephemeral layer in anther wall is:

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