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SKP'S FRIENDS OF CBSE VIII ,IX ,X

 
DEAR FRIENDS STUDYING IN VIII,IX,X IN CBSE SYLLUBUS ,PLEASE JOIN IN THIS GROUP AND DO THE WORK AND CLEAR DOUBTS AND MAY GOD BLESS YOU TO SCORE GOOD MARKS.
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Recent Posts
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Pratikhya Mohanty shared a question:
How many kinds of sperms are present in male?
(A) Only one kind of sperm having X chromosome.
(B) Only one kind of sperm having Y chromosome.
(C) Sperms are of two kinds one having X chromosome.
(D) Sperms are of one kind only either having X chromosome or having Y chromosome.
Dec 21, 2014 4:03 PM
Sarani Gupta added topic
molecular theory [ View Topic ]
Jan 25, 2014 4:39 PM
hello
Dec 07, 2010 7:50 PM
 YOU DO THE TESTS AND WRITE THE COMMENDS ABOUT THE TESTS HERE AS A MESSAGE.ALL THE BEST.
Apr 01, 2008 7:59 AM