Q. No.
Consider the following statements:
| I: | There is no uncatalysed metabolic conversion in living systems. |
| II: | The living state is a non-equilibrium steady state to be able to perform work. |
| III: | The living state and metabolism are synonyms, without metabolism there cannot be a living state. |
Which of the above statements are true?
1. I and II only
2. I and III only
3. II and III only
4. I, II and III
Match each item in Column I with one item in Column II and chose your answer from the codes given below:
|
Column I (Type of secondary metabolite) |
Column II (example) |
|
I. Alkaloid II. Toxin III. Lectin IV. Drug |
1. Abrin 2. Morphine 3. Vinblastin 4. Concanavalin A |
Codes
I II III IV
1. 1 2 3 4
2. 2 1 4 3
3. 2 1 3 4
4. 1 2 4 3
Match each item in Column I with one item in Column II and chose your answer from the codes given below:
Column I Column II
(Amino Acid) (Nature)
I. Tryptophan 1. Sulfur-containing
II. Cysteine 2. Aromatic
III. Valine 3. Basic
IV. Lysine 4. Neutral
Codes:
I II III IV
1. 1 2 3 4
2. 2 1 4 3
3. 2 1 3 4
4. 1 2 4 3
Which of the following biomolecules does have a phosphodiester bond?
| 1. | Fatty acids in a diglyceride |
| 2. | Monosaccharides in a polysaccharide |
| 3. | Amino acids in a polypeptide |
| 4. | Nucleic acids in a nucleotide |
Which of the following describes the graph correctly?
(1) Endothermic reaction with energy A in the presence of enzyme and B in the absence of enzyme
(2) Exothermic reaction with energy A in the presence of enzyme and B in the absence of enzyme
(3) Endothermic reaction with energy A in the absence of enzyme and B in the presence of enzyme
(4) Exothermic reaction with energy A in the absence of enzyme and B in the presence of enzyme
Given below is the diagrammatic representation of one of the categories of small
molecular weight organic compounds in the living tissues. Identify the category shown
and the one blank component X in it
Category Component
1. Cholesterol Guanin
2. Amino acid NH2
3. Nucleotide Adenine
4. Nucleoside Uracil
Which one of the following pairs of nitrogenous bases of nucleic acids, is wrongly matched
with the category mentioned against it?
1. Thymine, Uracil - Pyrimidines
2. Uracil, Cytosine - Pyrimidines
3. Guanine, Adenine - Purines
4. Adenine, Thymine - Purines
An organic substance bound to an enzyme and essential for its activity is called:
| 1. | coenzyme |
| 2. | holoenzyme |
| 3. | apoenzyme |
| 4. | isoenzyme |
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