Which element is present negligible in human body?

1. O

2. C

3. H

4. Si

Subtopic:  Element Analysis |
 95%
Level 1: 80%+
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The simplest amino acid

(1) Glycine

(2) Alanine

(3) Serine

(4) Tyrosine

Subtopic:  Amino Acids |
 94%
Level 1: 80%+
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Adenine is

1. A nucleoside 2. A nucleotide
3. A purine base 4. A pyrimidine base
Subtopic:  Nucleic Acid: Nucleotides |
 84%
Level 1: 80%+
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A nucleotide is composed of

(1) A nitrogenous base and a pentose sugar

(2) A pentose sugar and a phosphate

(3) A nitrogenous base, a pentose sugar and a phosphate

(4) A purine, a pyrimidine and a pentose sugar

Subtopic:  Nucleic Acid: Nucleotides |
 92%
Level 1: 80%+
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Match the following:

(a) Inhibitor of catalytic activity of succinate dehydrogenase (i) Ricin
(b) Possess peptide bonds (ii) Malonate
(c) Cell wall material in fungi (iii) Chitin
(d) Secondary metabolite (iv) Collagen

Choose the correct option from the following:
(a) (b) (c) (d)
1. (iii) (i) (iv) (ii)
2. (iii) (iv) (i) (ii)
3. (ii) (iii) (i) (iv)
4. (ii) (iv) (iii) (i)
Subtopic:  Proteins | Enzyme Inhibition | Primary & Secondary Metabolites | Carbohydrates: Cellulose, Chitin, Inulin & Agar |
 89%
Level 1: 80%+
NEET - 2020
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Identify the substances having a glycosidic bond and peptide bond, respectively in their structure:

1.  Glycerol, trypsin

2.  Cellulose, lecithin

3.  Inulin, insulin

4.  Chitin, cholesterol 

Subtopic:  Carbohydrates |
 63%
Level 2: 60%+
NEET - 2020
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Identify the basic amino acid from the following.

1. Glutamic Acid 2. Lysine
3. Valine 4. Tyrosine
Subtopic:  Amino Acids |
 85%
Level 1: 80%+
NEET - 2020
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The primary structure of a polypeptide has

1. Interchain disulphide bonds

2. Peptide bonds

3. H-bonds

4. Glycosidic bonds

Subtopic:  Zwitter ion & Peptide Bond |
 85%
Level 1: 80%+
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Non-reducing sugar among the following is

1. Ribose 2. Deoxyribose
3. Glucose 4. Sucrose
Subtopic:  Carbohydrates: Introduction |
 87%
Level 1: 80%+
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A basic amino acid among the following is

1. Glutamate

2. Aspartate

3. Lysine

4. Valine

Subtopic:  Amino Acids |
 90%
Level 1: 80%+
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