The principal copper deposits of India lie in which of the following places?

A. Hazaribag and Singbhum of Bihar
B. Khetri and Daribo areas of Rajasthan
C. Anantapur in Andhra Pradesh
D. Siwaliks in Uttar Pradesh and in Karnataka
✅ The correct answer is option A.
India’s copper ore reserves have been estimated at 400 million tonnes, with a metal content of 5 million tones. The principal copper belt of India lies in Singhbhum and Hazaribagh in Jharkhand. The mining centres are located at Mosabani, Ghatsila, Thobani and Badia of Singbhbum, Hazaribagh of Bihar, the Khetri and Dariba areas of Rajasthan, and Agnigundala of Andhra Pradesh. Total production is 2.6 million tones.

The most plausible explanation for the location of the Thar desert in western India is

A. the obstruction caused by the Aravalis to the rain-bearing wind that proceeds to the Ganga Valley
B. the evaporation of moisture by heat
C. the absence of mountains to the north of Rajasthan to cause orographic rainfall in it
D. that the moisture carried by the South-west monsoon is driven away by the dry upper air current
✅ The correct answer is option C.