What should be added to a nucleoside to yield a nucleotide?
1. Sugar
2. Phosphoric acid
3. Nitrogenous base
4. Sugar and nitrogenous base
Subtopic: Â Nucleic Acid: Nucleotides |
 90%
From NCERT
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The two strands of DNA are coiled around
1. Each other
2. Differently
3. A common axis
4. Different axis
1. Each other
2. Differently
3. A common axis
4. Different axis
Subtopic: Â The DNA |
 59%
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The two strands of DNA are held together by bonds of
1. Nitrogen
2. Oxygen
3. Hydrogen
4. Carbon
1. Nitrogen
2. Oxygen
3. Hydrogen
4. Carbon
Subtopic: Â The DNA |
 92%
From NCERT
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Subtopic: Â Amino Acids |
 83%
From NCERT
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Which of the following are basic amino acids?
1. Glycine and Alanine
2. Lysine and arginine
3. Glutamic acid and Aspartic acid
4. Histidine and Proline
1. Glycine and Alanine
2. Lysine and arginine
3. Glutamic acid and Aspartic acid
4. Histidine and Proline
Subtopic: Â Amino Acids |
 90%
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Which of the following amino acids is involved in the formation of Heme?
1. Tryptophan
2. Tyrosine
3. Glycine
4. Histidine
1. Tryptophan
2. Tyrosine
3. Glycine
4. Histidine
Subtopic: Â Amino Acids |
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Which one of the following is alcoholic amino acid pair?
1. Glycine and serine
2. Threonine and serine
3. Phenylalanine and tyrosine
4. Tryptophan and glutamic acid
1. Glycine and serine
2. Threonine and serine
3. Phenylalanine and tyrosine
4. Tryptophan and glutamic acid
Subtopic: Â Amino Acids |
 64%
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Lysine is an essential amino acid because
1. It is very rare
2. It has a high nutritive value
3. It is an important constituent of all proteins
4. It is not formed in the body and has to be provided through diet
1. It is very rare
2. It has a high nutritive value
3. It is an important constituent of all proteins
4. It is not formed in the body and has to be provided through diet
Subtopic: Â Amino Acids |
 83%
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In which of the following energy is released?
1. Conversion of glucose into pyruvate
2. Formation of proteins from amino acids
3. Conversion of glucose into lactic acid
4. Both (1) & (3)
1. Conversion of glucose into pyruvate
2. Formation of proteins from amino acids
3. Conversion of glucose into lactic acid
4. Both (1) & (3)
 76%
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Adenosine Triphosphate (ATP) liberates high energy by the breakdown of
1. Glycosidic bond
2. Hydrogen bond
3. Phosphate bond
4. Both (1) & (3)
1. Glycosidic bond
2. Hydrogen bond
3. Phosphate bond
4. Both (1) & (3)
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