Q. No.The living state can be best described as a:
1. non equilibrium steady state
2. non equilibrium non steady state
3. equilibrium non steady state
4. equilibrium steady state
1. non equilibrium steady state
2. non equilibrium non steady state
3. equilibrium non steady state
4. equilibrium steady state
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The blood concentration of glucose in a normal healthy individual is:
| 1. 3.5 – 4.0 mM | 2. 4.0 – 4.5 mM |
| 3. 4.2 – 6.1 mM | 4. 5.0 – 5.5 mM |
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Consider the following two statements regarding enzyme action:
| I: | Co-factors play a crucial role in the catalytic activity of the enzyme. |
| II: | Catalytic activity is reduced when the co-factor is removed from the enzyme. |
Of the above statements:
1. Both I and II are correct and II explains I
2. Both I and II are correct but II does not explain I
3. I is correct but II is incorrect
4. I is incorrect but II is correct
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Assuming they all had the same number of carbon atoms, which of the following has the most C-H bonds?
1. an unsaturated fat
2. a polyunsaturated fat
3. a polysaccharide
4. a saturated fat
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An alpha helix is a:
1. primary structure of a protein
2. secondary structure of a protein
3. tertiary structure of a protein
4. quaternary structure of a protein
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The inhibition of succinic dehydrogenase by malonate is an example of:
1. Non-competitive reversible inhibition
2. Non-competitive irreversible inhibition
3. Competitive inhibition
4. Allosteric inhibition
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The enzymes that catalyse removal of groups from substrates by mechanisms other than hydrolysis leaving double bonds are called as:
| 1. | Oxidoreductases | 2. | Hydrolases |
| 3. | Ligases | 4. | Lyases |
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Consider the following enzymes:
I. Catalase
II. Peroxidase
III. Carboxypeptidase
Which of these enzymes require haem as a co-factor for their activity?
| 1. | I only | 2. | I and II only |
| 3. | II and III only | 4. | I, II and III |
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Chitin, a complex polysaccharide, is found in:
| 1. | Plant cell wall |
| 2. | The exoskeleton of arthropods and cell walls of most fungi |
| 3. | Bacterial cell wall |
| 4. | Cartilage and other connective tissues |
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Given below is the structure of a monosaccharide. The homopolymer of this monosaccharide is used in:
 |
|
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