Coal is the most important source of power in India. More than 65% of India’s electricity generation capacity comes from thermal power plants, with about 85% of the country’s thermal power generation being coal-based. India’s electricity sector consumes about 72% of the coal produced in the country.

Correct Option: D

Coal is the most important source of power in India. More than 65% of India’s electricity generation capacity comes from thermal power plants, with about 85% of the country’s thermal power generation being coal-based. India’s electricity sector consumes about 72% of the coal produced in the country.

The Damodar river valley contain storehouses or coal seems, the richest, largest and most productive coalfields of India. The Damodar valley coal occurring in Damuda series of the lower Gondwana rocks is noted for exceptionally rich coal deposits. About 75 per cent of India’s coal is mined from this valley. There are several coalfields of which Jharia, Bokaro, Ramgarh, Chandrapura and Karanpura are the premier producers.

Correct Option: B

The Damodar river valley contain storehouses or coal seems, the richest, largest and most productive coalfields of India. The Damodar valley coal occurring in Damuda series of the lower Gondwana rocks is noted for exceptionally rich coal deposits. About 75 per cent of India’s coal is mined from this valley. There are several coalfields of which Jharia, Bokaro, Ramgarh, Chandrapura and Karanpura are the premier producers.

The beach sand in Kerala contains one of the rich deposits of thorium in the world. Thorium, also known as the ‘strategic nuclear fuel of India,’ is a radioactive material contained in a mineral called monazite in the sand. The beach sands of Kerala in Palghat and Quilon district contain the world’s richest monazite deposits.

Correct Option: C

The beach sand in Kerala contains one of the rich deposits of thorium in the world. Thorium, also known as the ‘strategic nuclear fuel of India,’ is a radioactive material contained in a mineral called monazite in the sand. The beach sands of Kerala in Palghat and Quilon district contain the world’s richest monazite deposits.

State-wise distributions of Indian Lignite shows that major part of the resource are located in Tamil Nadu followed by Rajasthan, Gujarat, Pondicherry, J&K, Kerala, and West Bengal. About 75 percent of lignite production in India comes from Neyveli in Tamil Nadu.

Correct Option: B

State-wise distributions of Indian Lignite shows that major part of the resource are located in Tamil Nadu followed by Rajasthan, Gujarat, Pondicherry, J&K, Kerala, and West Bengal. About 75 percent of lignite production in India comes from Neyveli in Tamil Nadu.

Hutti Gold Mines is located in Raichur district, Karnataka. This mine is probably one of the most ancient metal mines in the world, dating to the Ashokan period.

Correct Option: A

Hutti Gold Mines is located in Raichur district, Karnataka. This mine is probably one of the most ancient metal mines in the world, dating to the Ashokan period.