General Studies Question 36

Question: Which one of the following sets of elements was primarily responsible for the origin of life on the Earth?

Options:

A) Hydrogen, oxygen, sodium

B) Carbon, hydrogen, nitrogen

C) Oxygen, calcium, phosphorus

D) Carbon, hydrogen, potassium

Show Answer

Answer:

Correct Answer: B

Solution:

  • Exp. [b] The origin of life started with the formation of simple organic molecules like nucleotides. The building blocks of nucleotides are carbon, hydrogen, nitrogen, oxygen and phosphorus.