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(B) The correct answer is $B$.$Statement \ 1$ is correct because the microsporangium is surrounded by four wall layers: epidermis, endothecium, middle

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Both Statements $1$ and $2$ are correct.

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(B) The correct answer is $B$.$Statement \ 1$ is correct because the microsporangium is surrounded by four wall layers: epidermis, endothecium, middle layers, and the innermost layer, which is the tapetum.$Statement \ 2$ is correct because the cells of the tapetum possess dense cytoplasm and generally have more than one nucleus (multinucleate condition). Their primary function is to provide nourishment to the developing pollen grains.

Consider the following statements and choose the correct answer from the given options.
$Statement \ 1$: Innermost layer of microsporangium is tapetum.
$Statement \ 2$: Cells of tapetum possess dense cytoplasm, more than one nucleus, and nourish the developing pollen grains.

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Consider the following statements and choose the correct answer from the given options.$Statement \ 1$: Innermost layer of microsporangium is tapetum.$Statement \ 2$: Cells of tapetum possess dense cytoplasm, more than one nucleus, and nourish the developing pollen grains.