Q. 156. Which of the following activities does not belong to the primary sector activities?
(A) Fishing
(B) Mining
(C) Forestry
(D) Banking
Answer:
(D) Banking
Explanation:
The primary sector involves the direct extraction or harvesting of natural resources (like fishing, mining, and forestry). Banking is a service and therefore structurally falls under the tertiary (service) sector.
Q. 157. Which of the following is a renewable resource?
(A) Coal
(B) Fossil fuel
(C) Solar energy
(D) Petroleum
Answer:
(C) Solar energy
Explanation:
Solar energy is an inexhaustible, renewable energy source that naturally replenishes itself, whereas coal, petroleum, and other fossil fuels are heavily finite and non-renewable.
Q. 158. Black soil is deficient in:
(A) Calcium
(B) Magnesium
(C) Phosphorus
(D) Potash
Answer:
(C) Phosphorus
Explanation:
Black soil (commonly known as regur soil) is naturally rich in calcium carbonate, magnesium, and potash, but it is characteristically poor or deficient in phosphorus content.
Q. 159. The Buxa Tiger reserve is in:
(A) West Bengal
(B) Tamil Nadu
(C) Kerala
(D) Uttar Pradesh
Answer:
(A) West Bengal
Explanation:
The Buxa Tiger Reserve is a renowned national park located in the Alipurduar district of northern West Bengal, near the borders of Bhutan and Assam.
Q. 160. Who wrote the book Social contract?
(A) R.P. Dutt
(B) Thomas Hobbes
(C) J.S. Mill
(D) J.J. Rousseau
Answer:
(D) J.J. Rousseau
Explanation:
“The Social Contract” is a highly influential 1762 political philosophy book written by the Genevan philosopher Jean-Jacques Rousseau.
