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36 questions
21
Heredity
Easy
+1.0
-0.33
Double-helical structure of DNA was given by whom?
22
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Easy
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Who discovered DNA?
23
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Easy
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-0.33
Har Gobind Khorana is credited for the discovery of–
24
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Easy
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In laboratory, who did the synthesis of DNA–
25
Heredity
Easy
+1.0
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Who delivered the principle of 'jumping genes'?
26
Heredity
Easy
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Which compound present in D.N.A. does not form amino acid?
27
Heredity
Easy
+1.0
-0.33
The sugar present in DNA is :
28
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Easy
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Ribozymes are :
29
Heredity
Easy
+1.0
-0.33
Chromosome number in any species :
30
Heredity
Easy
+1.0
-0.33
Which of the following does not have sex-chromosome?