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What was the mode of respiration for the prokaryotes during biological evolution?

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in Biology – Class 12 by (271k points)
What was the mode of respiration for the prokaryotes during biological evolution?

(a) Aerobic

(b) Anaerobic

(c) Cellular

(d) External

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The question is from Biological Evolution topic in section Evolution of Biology – Class 12

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Right answer is (b) Anaerobic

The explanation is: These prokaryotes were single-celled and consisted of naked DNA. They were chemoheterotrophs. Dependent on surrounding materials for food and energy.

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