Q.3 (ii):- Why do you think that solar energy has a bright future in India?   Answer:- Solar energy has a bright future in India because – 1. India being…

Q.3 (i):- Describe the distribution of coal in India.   Answer:- In India coal deposits are found mainly of two geological ages – 1. Gondwana coal deposits, which are about…

Q.2 (iv):- Why do we need to conserve mineral resources?   Answer:- Mineral resources are limited. It takes million of years for their formation and therefore, these resources are non-renewable…

Q.2 (iii):- How are minerals formed in igneous and metamorphic rocks?   Answer:- In igneous and metamorphic rocks, minerals occur in cracks, crevices, faults and joints. They are formed when minerals…

Q.2 (ii):- What is a mineral?   Answer:- Mineral is a homogeneous, naturally occurring substance with a definite internal structure

Q.2 (i):- Distinguish between the following in not more than 30 words – (a) Ferrous and Non-ferrous minerals (b) Conventional and Non-conventional sources of energy.   Answer:- (a) Ferrous minerals –…

Q.1 (iv):- Which one of the following is contained in the Monazite sand? (a) Oil (b) Uranium (c) Thorium (d) Coal   Answer:- (c) Thorium

Q.1 (iii):- Koderma in Jharkhand is the leading producer of which one of the following minerals? (a) Bauxite (b) Mica (c) Iron ore (d) Copper   Answer:- (b) Mica

Q.1 (ii):- Which of the following mineral is formed by decomposition of rocks leaving a residual mass of weathered material? (a) Coal (b) Bauxite (c) Gold (d) Zinc   Answer:-…

Q.1 (i):- Minerals are deposited and accumulated in the strata of which of the following rocks? (a) Sedimentary rocks (b) Metamorphic rocks (c) Igneous rocks (d) None of these.  …