Which of the following statements is correct?

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(D) $1$. The hard outer layer of a pollen grain is called the exine,not the intine. The intine is the inner,thin layer.$2$. Sporogenous tissue consist

Vedclass · Accepted Answer

The tapetum provides nourishment to the developing pollen grains.

Vedclass · Answer

(D) $1$. The hard outer layer of a pollen grain is called the exine,not the intine. The intine is the inner,thin layer.$2$. Sporogenous tissue consists of diploid $(2n)$ cells that undergo meiosis to form microspores.$3$. The endothecium is the layer that aids in the dehiscence of anthers to release pollen,not the production of microspores.$4$. The tapetum is the innermost wall layer of the microsporangium,which provides nourishment to the developing microspores (pollen grains). Thus,statement $D$ is correct.

Column-$I$	Column-$II$
$i$. Nutritive layer	$a$. Epidermis
$ii$. Layer with fibrous thickness	$b$. Middle layers
$iii$. Protective layer	$c$. Tapetum
$iv$. Layer that disintegrates in mature anther	$d$. Endothecium

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