Q. 161. On the basis of origin, resources can be classified as
(A) Renewable and non-renewable
(B) Biotic and abiotic
(C) Potential and developed
(D) Soluble and insoluble
Answer:
(B) Biotic and abiotic
Explanation:
When classifying resources purely on the basis of their fundamental origin, they are divided into biotic (living organisms, derived from the biosphere) and abiotic (non-living entities).
Q. 162. The first international Earth Summit (1992) was held in:
(A) Rio de Janeiro
(B) Sao Paulo
(C) Brasilica
(D) Santiago
Answer:
(A) Rio de Janeiro
Explanation:
The 1992 United Nations Conference on Environment and Development (UNCED), widely known globally as the first Earth Summit, took place in Rio de Janeiro, Brazil.
Q. 163. The statement “There is enough for everybody’s need and not for anybody’s greed” by whom?
(A) Subhash Chandra Bose
(B) Jawaharlal Nehru
(C) Dr. B. R. Ambedkar
(D) Mahatma Gandhi
Answer:
(D) Mahatma Gandhi
Explanation:
This famous quote by Mahatma Gandhi highlights his steadfast philosophy on resource conservation and the inherent dangers of human over-consumption.
Q. 164. The Land which is left without cultivation for one or less than one agricultural year is known as:
(A) Gross cropped area
(B) Culturable waste land
(C) Current fallow
(D) Grazing land
Answer:
(C) Current fallow
Explanation:
Current fallow land refers to agricultural land that is deliberately left uncultivated (fallow) for a brief period of one year or less to help the soil recover its natural fertility.
Q. 165. In which of the following states is terrace cultivation followed?
(A) Punjab
(B) Plains of Uttar Pradesh
(C) Haryana
(D) Uttaranchal
Answer:
(D) Uttaranchal
Explanation:
Terrace farming (cutting progressive steps into hill slopes) is practiced in mountainous and hilly regions to prevent soil erosion. Among the choices, Uttaranchal (now Uttarakhand) is a highly mountainous state where this is necessary.