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Social Science · 2026 · 2 marks
CBSE 2026 · Region 3 · Set 1 · Q14
(a) Differentiate between ferrous and non-ferrous minerals.
(a)
Differentiate between ferrous and non-ferrous minerals.
OR
(b)
Differentiate between conventional and non-conventional sources of energy.
Marking-scheme solution
| Ferrous Minerals | Non-Ferrous Minerals |
| (i) They provide a strong base for the development of metallurgical industries. | (i) They play a vital role in a number of metallurgical, engineering and electrical industries. |
| (ii) They account for about three fourths of the total value of the production of metallic minerals. | (ii) India’s reserves and production of non-ferrous minerals is not very satisfactory. |
| (iii) Iron ore, Manganese are the examples. | (iii) Copper, Bauxite are the examples. |
| Conventional energy sources | Non-conventional energy sources |
| (i) Non-renewable sources. | (i) Renewable sources. |
| (ii) A source of pollutant. | (ii) Eco friendly. |
| (iii) Limited stock, and exhaustible. | (iii) Unlimited stock and inexhaustible |
| (iv) Conventional sources are coal, firewood, petroleum natural gas etc | (iv) Non-conventional sources are solar, wind etc. |
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CBSE Class 10 Social Science past-paper question from the 2026 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.