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Theory of Panspermia and Chemical Evolution

Theory of arg...

Question

Theory of _________ argues that life originated on some other planet and accidentally reached earth.

A

Natural Selection

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B

Panspermia

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C

Chemical Evolution

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D

Use and Disuse

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Solution

The correct option is B Panspermia
Theory of Panspermia argues that life originated on some other planet and accidentally reached earth.

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Similar questions

Q. Select the incorrect statements:

(A) The essence of Darwinian theory of evolution is natural selection.

(B) Evolution is a directed process in the sense of determinism.

(C) The geological history of Earth is not related with the biological history of Earth.

(D) During evolution the rate of appearance of new forms is linked to the life cycle.

Q. A planet in solar system has a mass double that of earth and density equal to that of earth. An object weigh W on the earth, will weigh on the other planet as

W^{1}

Q. Which among the following statements is a part of Darwin's theory of evolution on the basis of natural selection?

Q. Short / Long answer type questions .
Oparin-Haldane theory states that life originated on this earth through complex organic molecules formed as a result of a series of chemical reactions. Name any two sources which provided energy for these chemical reactions.

Q. (a) Name the scientist who gave the theory of origin of life on earth. What is this theory?
(b) How are those species which are now 'extinct' studied?

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