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Question

Which of the following is most widely accepted with respect to the origin of life?

A
Big Bang theory
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B
Idea of Panspermia
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C
Theory of Biogenesis
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D
Theory of chemical evolution
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Solution

The correct option is A Big Bang theory
Big bang hypothesis explained that the universe had an explosive beginning which was explained by a steady-state hypothesis, condensation theory, and collision theory.
(1) Steady-state hypothesis explained that this origin of the universe was due to the transformation of mass to energy and energy to mass.
(2) Condensation theory explained that the earth originated five billion years ago by gradual condensation of the red-hot, gaseous cloud of primordial matter.
(3) Collision theory explained the origin of the earth like a broken of the segment from the sun.
Therefore these three theories explain the origin of life on earth with proper pieces of evidence, hence big bang theory is widely accepted.

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