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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