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NEETZoologyEvolution

Theory Hypothesis A. Theory of Natural Selection 1. Survival of the fittest B. Theory of Use and Disuse 2. Traits develop through use or atrophy through disuse C. Theory of Panspermia 3. Mitochondria and chloroplasts were once free-living bacteria D. Theory of Endosymbiosis 4. Life originated from space

Options

  1. AA-3; B-4; C-1; D-2
  2. BA-2; B-1; C-4; D-3
  3. CA-1; B-2; C-4; D-3
  4. DA-4; B-3; C-2; D-1

Correct answer

C. A-1; B-2; C-4; D-3

Step-by-step solution

Theory of Natural Selection supports the survival of the fittest concept. Theory of Use and Disuse suggests that traits develop through use or atrophy through disuse. Theory of Panspermia hypothesizes that life originated from space. Theory of Endosymbiosis proposes that mitochondria and chloroplasts were once free-living bacteria.

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