Class CBSE Class 12 Biology Sexual Reproduction in Flowering Plants Q #1862
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1 Marks 2013 AISSCE(Board Exam) MCQ SINGLE
How many chromosomes are present in endosperm?
(A) n
(B) 2 n
(C) 3 n
(D) Both (a) and (c)
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Correct Answer: C
Explanation
Endosperm contain three sets of chromosome i.e. they are triploidy (3 n ) in nature. It is formed by fusion of second male gamete with the two polar nuclei or secondary nucleus in the central cell.

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