| 46. | Two chains of amino acids in an insulin molecule are held together by |
| a. | sulphide bridges |
| b. | disulphide bridges |
| c. | peptide bond |
| d. | covalent linkage |
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Answer: (b).disulphide bridges
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| 47. | Cellulose gives no color when it comes in contact with |
| a. | carbon dioxide |
| b. | water |
| c. | iodine |
| d. | chloroform |
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Answer: (c).iodine
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| 48. | Water has an excellent ability to absorb heat without changing its own |
| a. | polarity |
| b. | shape |
| c. | temperature |
| d. | mass |
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Answer: (c).temperature
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| 49. | Ring shaped structures are usually seen in glucose and |
| a. | trioses |
| b. | ribose |
| c. | tetroses |
| d. | fructose |
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Answer: (b).ribose
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| 50. | If one amino acid in each beta chain of hemoglobin, out of 574 amino acids do not occupy normal place it can lead to |
| a. | paralysis |
| b. | death |
| c. | cramp |
| d. | fits |
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Answer: (b).death
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