Q. What causes earthquakes?

Answer

Correct Answer : Volcanic eruptions

Q. What causes snowfall?

Answer

Correct Answer : When condensation takes place below 0° C and precipitation occurs in the form of flakes

Q. What could be the main reason / reasons for the formation of African and Eurasian desert belt? 1. It is located in the sub-tropical high pressure cells. 2. It is under the influence of warm ocean currents. Which of the statements given above is/are correct in this context?

Answer

Correct Answer : 1 only

Q. What do you mean by ‘reserved forest’ ?

Answer

Correct Answer : Reserved for commercial exploitation

Q. What do you understand by the term ‘Advection’ ?

Answer

Correct Answer : Heat is transferred horizontally by both winds and ocean currents

Q. What do you understand by the term ‘Doab’ ?

Answer

Correct Answer : Land between two tributaries of a river

Q. What do you understand by the word regur ?

Answer

Correct Answer : Black soil found in the Deccan

Q. What does acid rain contain which destroys plants?

Answer

Correct Answer : Sulphuric Acid

Q. What does the 17th parallel separate?

Answer

Correct Answer : South and North Vietnam

Q. What does the machine tool industry produce?

Answer

Correct Answer : It produces machines which can be used by other industries for the production of their finished goods