Q. 16. Mudflows and debris avalanches are types of:
(A) Slow mass movements
(B) Landslides
(C) Rapid mass movements
(D) Braided channels
Answer:
Explanation:
Q. 17. Consider the following statements with reference to Albedo:
1. Albedo is the proportion of sunlight that is reflected back into space.
2. Decreased albedo leads to greater melting of ice.
3. Wet soils tend to have higher albedo than dry soils
How many of the above statements are correct?
(A) Only one
(B) Only two
(C) All three
(D) None
Answer:
Explanation:
Q. 18. With reference to the Walker Circulation, consider the following statements:
1. It is an atmospheric system of air flow between the equatorial Indian and Atlantic Oceans.
2. During the El Nino events, it suppresses the arrival of south-west monsoon rains into India
Which of the statements given above is/are correct?
(A) 1 only
(B) 2 only
(C) Both 1 and 2
(D) Neither 1 nor 2
Answer:
Explanation:
Q. 19. In the Indian Ocean, there is a reversal of direction of ocean currents between summer and winter. What is the primary reason for this?
(A) Gravitational pull of the moon
(B) Change in the intensity of Coriolis force.
(C) Rotation of the Earth
(D) Change in direction of the monsoon winds
Answer:
Explanation:
Q. 20. Which one of the following statements correctly describes ‘territorial waters’ under the United Nations Convention on the Law of the Sea (UNCLOS)?
(A) Zone that extends seaward up to 12 nautical miles (nm) from its baseline of a country’s coast.
(B) Zone where a country has jurisdiction only on the ocean’s surface and floor and does not have air and space rights.
(C) Zone where a country has sovereign rights for the purpose of exploring and exploiting natural resources.
(D) Zone where countries can conduct undersea exploration as long as they are for peaceful purposes.
Answer:
Explanation: