Question

The concept of chemical evolution is based on:

• A. Origin of life due to a combination of chemicals.
• B. Crystallization of chemicals under extreme cold.
• C. Interaction of water, air and clay under intense heat.
• D. Effect of solar radiation on chemicals.

Answer 1

The correct option is A

Explanation of the correct option:

1. The concept of chemical evolution refers to the origin of life from non-living or inorganic matter.
2. The first organic compound was said to have been formed due to the ever-changing environmental conditions of the primitive earth and a combination of inorganic compounds.
3. In 1953, Urey and Miller conducted an experiment which proved that organic compounds can be formed from inorganic substances, giving support to the theory of chemical evolution.

Explanation of the incorrect option:

Option B, C and D didnot satisfy the appropriate explanation of the given question.

Final answer: The concept of chemical evolution is based on origin of life due to a combination of chemicals.