| 6. | Yellowing of plants is due to absence of |
| a. | calcium |
| b. | chlorophyll |
| c. | magnesium |
| d. | nitrogen |
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Answer: (c).magnesium
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| 7. | Tail attached to pyrrole ring is called |
| a. | porpyrin |
| b. | tail |
| c. | phytol |
| d. | nostale |
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Answer: (c).phytol
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| 8. | Chlorophyll (a) has ability to absorb wave length of light |
| a. | blue-red |
| b. | blue-green |
| c. | yellow green |
| d. | yellow blue |
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Answer: (b).blue-green
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| 9. | Oxygen which is released during process of photosynthesis comes from |
| a. | hydrogen |
| b. | leaves |
| c. | water |
| d. | oxygen |
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Answer: (c).water
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| 10. | Phases of Calvin cycle involves |
| a. | carbon fixation |
| b. | reduction |
| c. | regeneration |
| d. | All of the Above |
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Answer: (d).All of the Above
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