Identify the given nitrogenous base:

1. Adenine 2. Guanine
3. Thymine 4. Cytosine
Subtopic:  Nucleic Acid |
 84%
From NCERT
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Identify the given molecules:
I II
1. 2’ deoxyribose Ribose
2. Ribose 2’ deoxyribose
3. Adenosine Adenylic acid
4. α glucose β glucose
Subtopic:  Nucleic Acid |
 73%
From NCERT
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The strands of the DNA double helix are:

1. identical 2. coiled around each other
3. parallel to each other 4. complementary to each other
Subtopic:  Nucleic Acid | The DNA |
 81%
From NCERT
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At each step of ascent, the helical strand of DNA turns

1.36 degree 2.34 degree
3.20 degree 4.180 degree
Subtopic:  Nucleic Acid | The DNA |
 81%
From NCERT
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The pitch of DNA helix is:

1. 0.34 nm 2. 3.4 nm
3. 34 nm 4. 340 nm
Subtopic:  Nucleic Acid | The DNA |
 71%
From NCERT
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