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|, aro’ ", , (ii) Why do you think that solar energy has a bright future in India ?, Ans. Solar energy has a bright future in India due to the following rdead, (1) India 1s a tropical country. It has enormous possibilities of tapping solar, , energy:, , (2) Sunlight can be directly converted into electricity through photovoltaic, echnology:, (3) Solar energy is used in boiling water and cooking food, warming the space,, drving things, purifying water, ripening crops, operating light and machines., (4) Solar energy is fast becoming popular in rural and remote areas. It is expected, that solar energy will minimise the dependence of rural households on firewood and, , dung cakes and in turn supply adequate manure in agriculture., (5) Presently, electricity generated from solar power is also used for business, , purposes., , (6) Solar energy as a results will contribute to environmental conservation.
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ER cecal AYE Hnergy esc ‘, sate with a definable internal Structure,” Minerals ar pecans, xbst2" ging from the hardest diamond to the softest edi ¥, , , , nd in Varied forms in, , , , , (3) In most cases, they are formed when minerals ;, forms are forced upward through cavities towards, solidify as they rise. | 3, , (4) Major metallic minerals like tin, cop, veins and lodes., , (iv) Why do we need to conserve mineral resources ?, , Ans. Minerals are the unique gifts of nature. They, take million years to form., They are finite. Human is exploiting the nature seamlessly for the sake of development, it reduced the quantity of minerals dramatically. Its bad effects can be seen in fitute,, The competition of exploiting the previous and useful minerals reached to such extent, that one nation do not hesitate to invade other for obtaining these resources. Indiscipline, exploitation of minerals imbalance the nature and excessive use of them leads to, environmental pollution. Therefore it is essential to conserve minerals for their use by, , per, zinc and lead ete. are obtained from, , future generation., , t* > Bo we ee CO | = ee | ee eee ee, ee eee 190 wawrtna
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coy Other Important Questions |, , Objective Questions, , iS, , @ Multiple Choice Questions, , , , 1, Which is not a type of iron-ore ?, (i) Hematite, (iii) Ciderite, , 2. In which mineral’s production,, , (li) Magnetite, (iv) Bauxite,, Madhya Pradesh Sta, , , , nds fj, (1) Tron (ii) Mica mete Indi, ,, (1) Gold (iv) Diamond., 3. Rank of India in coal production is—, (1) First (ii) Second, (iii) Third (iv) Fifth., 4. Which state of India first started mineral oil Production 9, (i) Assam, , (1i) Rajasthan, (iv) Karnataka,, duction of manganese ?, , (iii) Gujarat, , ; (ii) Madhya Pradesh, (ili) Rajasthan (iv) Gujarat,, 6. Which State is having maximum Production of iron-ore ?, (i) Odisha (ii) Karnataka, (iii) Chhattisgarh (iv) Jharkhand., 7. In which State of the country about 52 Per cent of copper Occurs 9, () Rajasthan (11) Maharashtra, (iii) Madhya Pradesh, , Ans. 1. (iv), 2. (iv), 3., , © Fill in the Blanks, eres, , TOR 0 Mie dae ces
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Mumbal High, Gujarat and Assam are the major Petroleum producing regions in, , . jndia- i, nergy can be obtained in both gas and electricity form., , piomass ©, 0. _ 4, True, 2. True, 3. False, 4. False, 5. True, 6. True, , Ans., , .h the, , ‘B’, , (a) Chota Nagpur Plateau, (b) Titanium Oxide, , 1., 4., , ae oppet (c) Odisha, 1, Mica deposits (d) Balaghat, , Conventional sources (e) Coal, , ans. 1. — (b) 2. — (©), 3. — (d), 4. > (a), 5. > ()., , » Answer in One Word/Sentence, , , Fro, How much is the ferrous minerals contributed in the total val, , of metallic minerals ?, , Which is the best quality iron ore ?, , What amount of manganese is needed to produce | ton steel ?, , Which mines of Madhya Pradesh produce about 52 per cent of total copper, produced in the country ?, , Give an example of non-ferrous minerals., , Which is the most important oil region of Gujarat ?, , g. Which is the oldest oil producing state in India., Ans. 1. Ocean water, 2. Three-fourth, 3. Magnetite, 4. 10 kg., 5. Balaghat, 6. Mica,, , 7, Ankaleshwar, 8. Gujarat., , i ea, Very Short Answer Type Questions, , m where are common salt, magnesium and bromine largely devised ?, ue of the production, , ry =, , We &, , 4, y, ., bi, &, |, &, Ei, Ei, é, |, , Q. 1. What is the earth’s crust ?, Ans. The earth’s crust is formed by rocks composed of various minerals., , Q. 2. What is the meaning of anticlines ?, Ans. An area in the sedimentary rocks that have, , compression force is ealled anticlines., , Q. 3. What is called a wetland ?, merged in water is called a wetland. A wetland, , Ans. A land which is frequently sub, includes salt marsh, estuaries, kutch and swampland ete., , Q. 4. Name three major manganese producing states, Ans. Three major manganese producing states of India—{, , (2) Maharashtra, (3) Odisha., Q. 5. Name three leading producer of iron ore in India., Ans. (1) Odisha, (2) Chhattisgarh, (3) Karnataka., , Q. 6. What is the use of Bauxite ? sesient c, Ans. Bauxite is mainly used in manufacturing alumin}, kerosene oil, as electricity conductor, making, , in making clay utensils, cleaning, and mixed metals etc., , been folded into an arch by, , , , of India., 1) Madhya Pradesh,, , um. Besides, it is also used, utensils
