CBSE Class 10 Social Science Geography Minerals And Energy Resources Assignment

CBSE Class 10 Social Science Geography Minerals And Energy Resources Assignment. Prepared by teachers of one of the best CBSE schools in Delhi. Based on CBSE and NCERt guidelines. The students should practice these assignments to gain perfection which will help him to get more marks in CBSE examination.

 

SHORT ANSWER TYPE QUESTIONS

Q1 “Discovery and use of iron brought a radical change in human life” prove it with three examples.

Ans: a) Revolution in agriculture-different type of tools invented like axe, hook, plough etc.

        b) Revolution in industry-different tools and machines like spinning.

        c) Revolution in transportation- bullock-cart, ships, boats etc.


Q2 Describe the various forms in which minerals occur.

Ans: a) In igneous and metamorphic rocks ( cracks, crevice, faults or joints)

        b) In beds or layers of sedimentary rocks due to deposition, accumulation and concentration.

        c) Decomposition of surface rocks

        d) Alluvial deposits in sands of valleys and the base of hills as “ Placer Deposits”


Q3 Why is mining activity often called a “Killer Industry”. Give three reasons.

Ans: a) High risk involved

        b) Due to poisonous fumes, mines are vulnerable to workers for pulmonary diseases.

        c) Risk of collapsing mines roofs, and fires in coal mines.

        d) Water sources get contaminated


Q4 Give three reasons in the favour of use of ‘Atomic energy’.

Ans: a) Coal and natural oil are exhaustible.

        b) Nuclear power plants are easy to handle

        c) Most developed countries are utilizing this energy successfully

        d) It can be useful in fields of medicines and agriculture

        e) Hydel energy is not satisfactory due to environmental issues


Q5 Why does solar energy in Rajasthan have greater potential as non –conventional source of energy?

Ans: a) Hot and dry region

        b) Clear sky almost whole year

        c) Cheaper installation

        d) Renewable and pollution free energy source.

        e) Government motivation


Please refer to attached file for CBSE Class 10 Social Science Geography Minerals And Energy Resources Assignment

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