Biomolecules (Biology) · Question 1

The following reaction depicts the activity of a particular class of enzymes : [figure] Identify the enzyme class 'E' from the following options :

1. Isomerases
2. Ligases
3. Transferases
4. Lyases

Match List-I with List-II.

1. A-I, B-II, C-III, D-IV
2. A-I, B-II, C-IV, D-III
3. A-II, B-I, C-IV, D-III
4. A-II, B-I, C-III, D-IV

Arrange the following elements in descending order of their contribution to percentage weight of the human body.

1. B, A, C, D
2. A, B, C, D
3. C, A, B, D
4. B, C, D, A

The protein portion of an enzyme is called:

1. Apoenzyme
2. Prosthetic group
3. Cofactor
4. Coenzyme

Match List-I with List-II Choose the option with all correct matches.

1. A-III, B-II, C-I, D-IV
2. A-II, B-III, C-I, D-IV
3. A-III, B-IV, C-II, D-I
4. A-III, B-II, C-IV, D-I

Which one of the following statements refers to Reductionist Biology?

1. Chemical approach to study and understand living organisms
2. Behavioural approach to study and understand living organisms
3. Physico-chemical approach to study and understand living organisms
4. Physiological approach to study and understand living organisms

Which one of the following enzymes contains 'Haem' as the prosthetic group?

1. Succinate dehydrogenase
2. Catalase
3. RuBisCO
4. Carbonic anhydrase

Name the class of enzyme that usually catalyses the following reaction : S - G + S' S + S' - G Where, G a group other than hydrogen S a substrate S' another substrate

1. Transferase
2. Ligase
3. Hydrolase
4. Lyase

Lecithin, a small molecular weight organic compound found in living tissues, is an example of:

1. Amino acids
2. Phospholipids
3. Glycerides
4. Carbohydrates

The cofactor of the enzyme carboxypeptidase is:

1. Zinc
2. Niacin
3. Flavin
4. Haem