Theory of panspermia was proposed to explain the
Origin of universe
Origin of life
Origin of earth
Evolution of life
It states that life transfers from one planet to other in the form of spore, sperms or seeds.
Which of the following is not a living fossil?
All the following are examples of homologous organs, except
$A$ : There is $99\;\%$ homology in haemoglobin of man and Gorilla. $R$ : Modern man is direct descendent of Gorilla.
Flippers of Penguins and Dolphins are examples of:
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