Question: Give three examples of metallic and three examples of non-metallic minerals.
Answer: Metallic Minerals are – Iron-ore, Copper, Manganese, Nickel.
Non-Metallic Minerals – Limestone, Dolomite, Mica.
Question: Name four important iron ore-producing states of India.
Answer: The four iron-ore producing states are:
Question: Name four manganese ore-producing states of India.
Question: Name four bauxite-producing states.
Answer: The Bauxite producing state are: (1) Jharkhand, (2) Odisha, (3) Gujarat, (4) Maharashtra
Question: Name three states which are known for the production of mica.
Answer: Mica producing states are: (1) Jharkhand, (2) Bihar, (3) Andhra Pradesh
Question: What are commercial sources of energy?
Answer: The commercial sources of energy are: Coal, Petroleum, Natural gas, Hydro-electricity and Nuclear energy.
Question: What are conventional sources of energy?
Answer: The conventional sources of energy are Coal, Petroleum, Natural gas and Electricity.
Question: Name six non-commercial sources of energy.
Answer: Non- commercial source of energy are fire wood, charcoal, cow dung and agricultural wastes, wood coal and babool wood.
Question: Name three most important coal producing states of India.
Answer: Three important coal producing states are (1) Jharkhand, (2) Odisha and (3) West Bengal
Question: Mention three areas where petroleum is found in India.
Answer: Gujarat, Mumbai High and Assam are three areas of petroleum.