Class 10 Social Science (Geography)

1. What is defined as a homogenous, naturally occurring substance with a definable internal structure?

• A. Mineral
• B. Ore
• C. Rock
• D. Fossil

2. In igneous and metamorphic rocks, minerals may occur in the cracks, crevices, faults or joints. Smaller occurrences are called veins and larger ones are called:

• A. Lodes
• B. Beds
• C. Layers
• D. Placer deposits

3. Which type of mineral deposits are formed by the decomposition of surface rocks and the removal of soluble constituents, leaving a residual mass of weathered material?

• A. Bauxite deposits
• B. Placer deposits
• C. Veins and lodes
• D. Ocean beds

4. Minerals that occur as alluvial deposits in sands of valley floors and the base of hills are known as:

• A. Placer deposits
• B. Veins
• C. Lodes
• D. Sedimentary beds

5. Which mineral is the finest iron ore with a very high content of iron up to 70% and possesses excellent magnetic qualities?

• A. Magnetite
• B. Hematite
• C. Limonite
• D. Siderite

6. Which iron ore is the most important industrial iron ore in terms of the quantity used, containing 50 to 60 percent iron?

• A. Hematite
• B. Magnetite
• C. Goethite
• D. Siderite

7. The Kudremukh iron ore mines, located in the Western Ghats of Karnataka, export 100% of their production in slurry form through a pipeline to which port?

• A. Mangaluru
• B. Marmagao
• C. Visakhapatnam
• D. Mumbai

8. Which mineral is mainly used in the manufacturing of steel and ferro-manganese alloys, requiring nearly 10 kg of it to manufacture one tonne of steel?

• A. Manganese
• B. Bauxite
• C. Copper
• D. Mica

9. India is critically deficient in the reserve and production of which non-ferrous metal that is malleable, ductile, and a good conductor of electricity?

• A. Copper
• B. Iron
• C. Manganese
• D. Bauxite

10. The Balaghat mines in Madhya Pradesh produce over 52 percent of India's output of which mineral?

• A. Copper
• B. Bauxite
• C. Mica
• D. Gold

11. Aluminium is extracted from which ore, formed by the decomposition of a wide variety of rocks rich in aluminium silicates?

• A. Bauxite
• B. Hematite
• C. Galena
• D. Cuprite

12. Which state is the largest producer of bauxite in India, accounting for a major share of total production with major deposits in Panchpatmali?

• A. Odisha
• B. Gujarat
• C. Jharkhand
• D. Maharashtra

13. Which non-metallic mineral can be split into very thin sheets and is indispensable for the electric and electronic industries due to its dielectric strength?

• A. Mica
• B. Limestone
• C. Potash
• D. Gypsum

14. The Koderma-Gaya-Hazaribagh belt of which state is the leading producer of mica in India?

• A. Jharkhand
• B. Bihar
• C. Odisha
• D. Chhattisgarh

15. What basic raw material is essential for the cement industry and for smelting iron ore in a blast furnace?

• A. Limestone
• B. Silica
• C. Dolomite
• D. Gypsum

16. Mining is often called a "Killer Industry" due to which major reason?

• A. Health hazards to miners like pulmonary diseases and risk of mine collapse/flooding
• B. Low wages given to labor
• C. High price of minerals in open markets
• D. Strict government environmental controls

17. Coal formed from decaying plants in swamps with low carbon and high moisture content, representing the lowest grade of coal, is called:

• A. Peat
• B. Lignite
• C. Bituminous
• D. Anthracite

18. Lignite is a low grade brown coal. The principal lignite reserves in India are found at Neyveli in which state?

• A. Tamil Nadu
• B. Kerala
• C. Andhra Pradesh
• D. Karnataka

19. Which grade of coal is the most popular in commercial use, buried deep and subjected to increased temperatures?

• A. Bituminous
• B. Peat
• C. Lignite
• D. Anthracite

20. What is the highest quality hard coal available?

• A. Anthracite
• B. Bituminous
• C. Lignite
• D. Peat

21. Damodar Valley (West Bengal - Jharkhand) contains major deposits of which geological age of coal?

• A. Gondwana coal
• B. Tertiary coal
• C. Quaternary coal
• D. Jurassic coal

22. Most of India's petroleum occurrences are associated with anticlines and fault traps in rock formations of which geological age?

• A. Tertiary
• B. Gondwana
• C. Vindhyan
• D. Pre-Cambrian

23. Which offshore field produces about 63 per cent of India's petroleum production?

• A. Mumbai High
• B. Ankleshwar
• C. Digboi
• D. Kalol

24. Which field in Assam is the oldest oil-producing field in India?

• A. Digboi
• B. Naharkatiya
• C. Moran-Hugrijan
• D. Kalol

25. What 1,700 km long cross-country gas pipeline links Mumbai High and Bassien with the fertilizer, power and industrial complexes in western and northern India?

• A. Hazira-Vaidhipur-Jagdishpur (HVJ) pipeline
• B. Jamnagar-Loni pipeline
• C. Naharkatia-Nunmati pipeline
• D. Kandla-Bhatinda pipeline

26. Nuclear or Atomic Energy is obtained by altering the structure of atoms. Which two minerals are used for generating atomic power in India?

• A. Uranium and Thorium
• B. Bauxite and Mica
• C. Coal and Lignite
• D. Copper and Zinc

27. The Monazite sands of Kerala are particularly rich in which radioactive mineral?

• A. Thorium
• B. Uranium
• C. Plutonium
• D. Radium

28. Which state has the largest wind farm cluster located from Nagarcoil to Madurai?

• A. Tamil Nadu
• B. Gujarat
• C. Andhra Pradesh
• D. Rajasthan

29. Where is the experimental Geothermal Energy project located in Himachal Pradesh, India?

• A. Parvati Valley near Manikaran
• B. Puga Valley in Ladakh
• C. Shimla Valley
• D. Kangra Valley

30. Biogas plants using shrubs, farm waste, and animal/human waste in rural areas are popular in India. Biogas produced from cow dung is commonly known as:

• A. Gobar gas
• B. LPG
• C. CNG
• D. Coal gas