Question

which layer of anther wall is ephemeral in nature​

Answer 1

Answer:

epidermis

Anther wall comprises the epidermis, endothecium whose cell acquire band-like thickenings, two ephemeral middle layers and a glandular tapetum.

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Answer 2

Answer:

The middle layer of the anther wall is ephemeral in nature.

Explanation:

• Anther is a part of stamen, which is the male reproductive organ of a flower.
• Transverse section of an anther reveals that it has four layers named – Epidermis, Endothecium, Middle layer and Tapetum.
• Majorly tapetum is responsible for providing nourishment to the underlying developing pollen but, middle layer cells also help in the same for short duration.
• Ephemeral stands for short period of time or for short duration. In the same way middle layer cells helps in nutrition along with tapetum only, till the time, meiosis occurs in microspore mother cell.
• Else major function of middle layer is in dehiscence of anther along with other layers as well.

Hence, middle layer of anther wall is ephemeral in nature and no other cell layer has this role.

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