Q.

Select the incorrectly matched pair.

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a

Endothecium – Presence of α–cellulose fibrous bands.

b

Middle layers – Contains dense cytoplasm and more than one nucleus.

c

Tapetum – Provides nourishment to the developing microspore.

d

Sporogenous tissue – Undergoes meiosis to form microspore tetrad.

answer is B.

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Detailed Solution

The innermost wall layer is the tapetum. It nourishes the developing pollen grains. Cells of the tapetum possess dense cytoplasm and generally have more than one nucleus. Middle layers - 1 to 5 layers. These are consumed by developing microspores.
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