Chapter 5 Minerals and Energy Resources
- Why do you think that solar energy has a bright future in India? Solar energy has a bright future in India because – India being a tropical country receives sunlight in abundance throughout the year. Solar... 1
- Describe the distribution of coal in India. The major resources of metallurgical coal belong to the Gondwana age and are located mainly in the north eastern part of the peninsula. Rich... 1
- Why do we need to conserve mineral resources? It takes millions of years for the formation of minerals. Compared to the present rate of consumption, the replenishment rate of minerals is... 1
- How are minerals formed in igneous and metamorphic rocks? In igneous and metamorphic rocks, molten/liquid and gaseous minerals are forced upwards into the cracks. They then solidify and form veins o... 1
- What is a mineral ? A mineral is a homogeneous, naturally occurring substance with a definable interior structure. 2
- Distinguish between the following in not more than 30 words. (b) Conventional and non-conventional sources of energy. Conventional Sources of Energy Non-conventional Sources of Energy Conventional sources of energy are those sources which have been use since... 1
- Distinguish between the following in not more than 30 words. (a) Ferrous and non-ferrous minerals Ferrous minerals Non-ferrous minerals Metallic minerals which contain iron are called ferrous minerals, e.g. iron ore, manganese, nickel, co... 1
- Which one of the following minerals is contained in the Monazite sand? (a) oil (b) uranium (c) thorium (d) coal c) thorium is the correct option 2
- Minerals are deposited and accumulated in the stratas of which of the following rocks? a) sedimentary rocks is the correct option 2
- Koderma, in Jharkhand is the leading producer of which one of the following minerals? b) mica is the correct option 2
- Which one of the following minerals is formed by decomposition of rocks, leaving a residual mass of weathered material? b) bauxite is the correct option 2