Which of the following is wrong about tapetum?

It nourishes developing microspores

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It secretes callase enzyme for dissolving callose around pollen tetrad

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It is multi-nucleated due to free nuclear division

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None of the above

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Solution

The correct option is D None of the above
The innermost wall layer of microsporangium surrounding the sporogenous tissue is known as tapetum. All three statements are correct regarding tapetum.
(A) Tapetum provides nourishment to the microspore mother cell and developing microspores.
(B) It secretes callase enzymes for dissolving callose around pollen tetrad. This helps in separation of pollens united previously in a tetrad.
(C) It is polyploid and multi-nucleated due to free nuclear division.

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