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Biomolecules (Biology) · Question 6

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1

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

Answer

(1) A-III, B-II, C-I, D-IV

Solution

A. Adenosine = adenine + ribose sugar, a nucleoside (A-III).

B. Adenylic acid = adenosine + phosphate, a nucleotide (B-II).

C. Adenine is a purine nitrogen base (C-I).

D. Alanine is an amino acid (D-IV).

Thus, A-III, B-II, C-I, D-IV.

Answer: (1)

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2

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
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3

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

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

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
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5

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

  1. Amino acids
  2. Phospholipids
  3. Glycerides
  4. Carbohydrates
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6

The cofactor of the enzyme carboxypeptidase is:

  1. Zinc
  2. Niacin
  3. Flavin
  4. Haem
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7

Inhibition of Succinic dehydrogenase enzyme by malonate is a classical example of:

  1. Cofactor inhibition
  2. Feedback inhibition
  3. Competitive inhibition
  4. Enzyme activation
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8

Match List I with List II Choose the correct answer from the options given below.

  1. A-IV, B-I, C-II, D-III
  2. A-I, B-II, C-III, D-IV
  3. A-II, B-III, C-IV, D-I
  4. A-III, B-IV, C-I, D-II
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9

Match List I with List II: Choose the correct answer from the options given below :

  1. A-IV, B-II, C-III, D-I
  2. A-III, B-II, C-I, D-IV
  3. A-II, B-IV, C-I, D-III
  4. A-IV, B-I, C-III, D-II
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10

Regarding catalytic cycle of an enzyme action, select the correct sequential steps : Choose the correct answer from the options given below :

  1. E, A, D, C, B
  2. A, E, B, D, C
  3. B, A, C, D, E
  4. E, D, C, B, A
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11

Which of the following is a nucleotide?

  1. Uridine
  2. Adenylic acid
  3. Guanine
  4. Guanosine
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