C’ represents carbon of

1.sugar of nucleotides

2.Nitrogenous bases of nucleotides

3.Both 1 and 2

4.None of the above

Subtopic:  Nucleic Acid: Nucleotides |
From NCERT
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Which of the following is true about sugar of DNA

1. Ribose sugar is present

2. 2’deoxyribose sugar is present

3. 4C sugar is present

4. Both 2 and 3

Subtopic:  Nucleic Acid |
 77%
From NCERT
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The number of cyclic rings present in purines and pyrimidines are

1. 2,1 respectively

2. 1,2 respectively

3. 2,2 respectively

4. 1,1 respectively

Subtopic:  Nucleic Acid |
 84%
From NCERT
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The amino acids which are synthesised by our body are known as

1.Essential amino acids

2.Non-essential amino acids

3.optical amino acids

4.Both 1 and 3

Subtopic:  Different Amino Acids |
 90%
From NCERT
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The body meets the demand of essential amino acids through

1.Food

2.body synthesised  on its own

3.Both A and B

4.None of these

Subtopic:  Different Amino Acids |
 87%
From NCERT
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Which of the following is not the function of protein

1.Act as hormones

2.act as enzymes

3.act as genetic material

4.fight against infections

Subtopic:  Proteins |
 83%
From NCERT
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In proteins, amino acids are linked by  a type of

1.Acetyl bond

2.Amide bond

3.Ester bond

4.Glycosidic bond

Subtopic:  Zwitter ion & Peptide Bond |
 71%
From NCERT
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The formation of amide bond shows which type of reaction

1.Substitution reaction

2.Elimination reaction

3.Addition reaction

4.Rearrangement reaction

Subtopic:  Introduction to Proteins | Zwitter ion & Peptide Bond |
 73%
From NCERT
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In polysaccharides the individual monosaccharides are linked by

1.Phosphodiester bond

2.Amide bond

3.Ester bond

4.Glycosidic bond

Subtopic:  Carbohydrates: Glycosidic Bond & Disaccharide |
 87%
From NCERT
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The DNA exists as _________helix which runs ________

1.double, parallel

2.double, antiparallel

3.single, perpendicular

4.single, parallel

Subtopic:  The DNA |
 95%
From NCERT
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