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If there were a population of bacteria living in temperate waters, and if the water temperature were to be increased by global warming, most of these bacteria would die, but the few variants resistant to heat would survive and grow further. I. Some variants survived due to: a) Healthy structure b) Variations c) Adaptability d) None II. Variation occurs due to: a) DNA copying always have some variations b) Species desire to change c) Bio- chemical reaction similarity d) None III. Variations leads to: a) Survival of species b) Survival of individual c) Both a and b d) None IV. Variation and evolution are interrelated a) True b) Falsec) Cannot be said d) None V. Variation is prominent in: a) Unicellular organism b) Multicellular organism c) Both a and bd) None |
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Answer» (i) (b) (ii) (a) (iii) (c) (iv) (a) (v) (b) |
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