E-PolyLearning

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

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

48. Chloroplast contain a green pigment called
a. leaf
b. stem
c. chlorophyll
d. chromoplast
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Answer: (c).chlorophyll

49. Aqueous ground soluble part of cytoplasm is called
a. cytosol
b. vacuole
c. mitochondria
d. nucleus
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Answer: (a).cytosol

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