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1. A plasma membrane envelops the whole body of sperm. 2. The sperm head contains an elongated haploid nucleus. 3. The posterior portion of nucleus is covered by a cap-like structure, acrosome. 4. The acrosome is filled with enzymes that help fertilisation of the ovum. Regarding 1,2,3 and 4 :

( a ) 2 is incorrect but 1,3 and 4 are correct
( b ) 1 and 3 are incorrect; 2 and 4 are correct
( c ) 1 is incorrect but 2,3 and 4 are correct
( d ) 3 is incorrect but 1,2 and 4 are correct

1 Answer

(D) is the right answer.

A plasma membrane envelops the whole body of sperm. The sperm head contains an elongated haploid nucleus, the anterior portion of which is covered by a cap-like structure, acrosome. The acrosome is filled with enzymes that help fertilisation of the ovum.
answered Jan 6, 2014 by pady_1
 

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