Question

Primitive conditions of earth were experimentally shown by

• A. Oparin
• B. Urey
• C. Miller
• D. Both B and C

Answer 1

Answer: (D)

Both B and C

Stanley L. Miller and his teacher Harold C. Urey provided first experimental evidence for the chemical evolution by designing an apparatus and simulating prebiotic conditions. The primitive atmosphere chiefly consists of methane, ammonia, water vapour, hydrogen gas, nitrogen gas and carbon monoxide and dioxide was a reducing atmosphere.

So, the correct answer is option D.