Millionaire Mode

Air and Its Constituents

Question 1 of 15

Which of the following options correctly describes greenhouse effect?

  1. The retention of heat energy by greenhouse gases
  2. When rainwater becomes acidic due to the presence of sulphur and nitogen
  3. Planting of trees in order to reduce air pollution
  4. The release of oxygen during photosynthesis
  5. None of these

Prize Money

15₹7 Crores
14₹1 Crore
13₹50,00,000
12₹25,00,000
11₹12,50,000
10₹6,40,000
9₹3,20,000
8₹1,60,000
7₹80,000
6₹40,000
5₹20,000
4₹10,000
3₹5,000
2₹2,000
1₹1,000