CBSE · Class 12 · Biology · EvolutionStanley Miller and Harold Urey successfully simulated primitive earth conditions in their laboratory experiment. Which mixture of gases was used in their apparatus?
Step-by-Step Solution
Miller and Urey used a closed chamber containing a gaseous mixture of methane, ammonia, hydrogen, and water vapor in the ratio of 2:1:2, subjected to an electric discharge.
Detailed Options Breakdown
Option : Oxygen, nitrogen, carbon dioxide, water vapor
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Evolution.
Option 1: Methane, ammonia, hydrogen, water vapor (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: Carbon dioxide, methane, oxygen, nitrogen
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Evolution.
Option 3: Ammonia, nitrogen, oxygen, hydrogen
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Evolution.
💡 Study Guide: This question tests core syllabus concepts from Evolution. For formulas, key summaries, and mock exam reference guides, read the full Evolution Revision Notes.