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Importance of Tapetum

Which of the ...

Question

Which of the following is incorrect with respect to the tapetum?

A

It is the innermost layer of anther wall.

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B

It possess dense cytoplasm and generally have one nucleus

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C

It nourishes the developing pollen grains

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D

It surrounds the inner sporogenous tissue

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Solution

The correct option is B
It possess dense cytoplasm and generally have one nucleus

Tapetum surrounds the sporogenous tissue. Tapetal cells are thin walled with dense cytoplasm and possess more than one nucleus.

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Stamen is regarded as a microsporophyll that possesses microsporangia which have microspore mother cells that give rise to microspores. The cells of sporogenous tissues undergo meiotic division to form microspore tetrad. Microspore is present in the bilobed structure called anther. A male gametophyte is a gamete producing haploid phase in a plant. In angiosperms, it is the pollen grains that are regarded as gametophytes.

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Q. Based on the given excerpt, answer the given question.

Stamen is regarded as a microsporophyll that possesses microsporangia which have microspore mother cells that give rise to microspores. The cells of sporogenous tissues undergo meiotic division to form microspore tetrad. Microspore is present in the bilobed structure called anther. A male gametophyte is a gamete producing haploid phase in a plant. In angiosperms, it is the pollen grains that are regarded as gametophytes.

Match the labels with their correct description in the given diagram of microsporangium showing different layers of its wall.
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Importance of Tapetum

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