Class CBSE Class 12 Biology Sexual Reproduction in Flowering Plants Q #1872
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1 Marks 2005 AISSCE(Board Exam) MCQ SINGLE
Which one of the following statements is not true?
(A) Exine of pollen grains is made up of sporopollenin.
(B) Pollen grains of many species cause severe allergies.
(C) Stored pollen in liquid nitrogen can be used in the crop breeding programmes.
(D) Tapetum helps in the dehiscence of anther.
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Correct Answer: D
Explanation
Tapetum is the inner layer of microsporangium (anther) which provides nourishment to developing pollen grain after meiotic cell division.

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