| 46. | Cell theory proposes that all living cells arise from |
| a. | fossils |
| b. | plant cells |
| c. | pre-existing cells |
| d. | new cells |
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Answer: (c).pre-existing cells
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| 47. | Diploid chromosome number is found in normal body cell whereas haploid is found in |
| a. | germ cells |
| b. | brain cells |
| c. | meristemetic cells |
| d. | sensory cells |
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Answer: (a).germ cells
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| 48. | Chloroplast contain a green pigment called |
| a. | leaf |
| b. | stem |
| c. | chlorophyll |
| d. | chromoplast |
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Answer: (c).chlorophyll
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| 49. | Aqueous ground soluble part of cytoplasm is called |
| a. | cytosol |
| b. | vacuole |
| c. | mitochondria |
| d. | nucleus |
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Answer: (a).cytosol
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| 50. | Three main types of plastids are chloroplast, chromoplast and |
| a. | leukocytes |
| b. | leucoplasts |
| c. | chlorophyll |
| d. | magneplasts |
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Answer: (b).leucoplasts
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