WBBSE Class 7 Geography Chapter 6 Rock And Soil Multiple Choice Questions 

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WBBSE Class 7 Geography Chapter 6 Rock And Soil Multiple Choice Questions

Question 1. Which of the following is an important rock-forming mineral?

  1. Dolerite
  2. Quartz
  3. Conglomerate

Answer: 2. Quartz

Question 2. Stones laid on railway tracks are ________ rocks.

  1. Igneous
  2. Metamorphic
  3. Sedimentary

Answer: 1. Igneous

Read And Learn Also WBBSE Class 7 Geography Multiple Choice Questions 

Question 3. Which of the following is a source of mineral oil?

  1. Sedimentary rock
  2. Igneous rock
  3. Metamorphic rock

Answer: 1. Sedimentary rock

WBBSE Class 7 Geography Chapter 6 Rock And Soil Multiple Choice Questions

Question 4. Baking soda and alum belong to which of the following category?

  1. Minerals
  2. Rocks
  3. Soil

Answer: 1. Minerals

Question 5. Layers or strata are found in-

  1. Sedimentary rocks
  2. Igneous rocks
  3. Metamorphic rocks

Answer: 1. Sedimentary rocks

Question 6. An example of primary rock is-

  1. Granite
  2. Sandstone
  3. Shale

Answer: 1. Granite

Question 7. An example of igneous rock is-

  1. Sandstone
  2. Basalt
  3. Quartzite

Answer: 2. Basalt

Question 8. Igneous rocks are also called-

  1. Stratified rocks
  2. Non-stratified rock
  3. Altered rocks

Answer: 2. Non-stratified rock

Question 9. What percentage of the Earth’s crust is composed of igneous rocks?

  1. 60%
  2. 80%
  3. 90%

Answer: 2. 80%

Question 10. Granite is metamorphosed into-

  1. Gneiss
  2. Marble
  3. Hornblende

Answer: 1. Gneiss

Question 11. Himalayas are formed of-

  1. Igneous rocks
  2. Sedimentary rocks
  3. Igneous and sedimentary rocks

Answer: 3. Igneous and sedimentary rocks

Question 12. Which of the following rocks are also called primary rocks?

  1. Igneous rocks
  2. Sedimentary rocks
  3. Metamorphic rocks

Answer: 1. Igneous rocks

Question 13. Granite is an example of-

  1. Igneous rock
  2. Metamorphic rock
  3. Sedimentary rock

Answer: 1. Igneous rocks

Question 14. Large deposits of granite are found in the-

  1. Himalayas
  2. Lava plateau of Maharashtra
  3. Chotanagpur Plateau of Jharkhand

Answer: 3. Chotanagpur Plateau of Jharkhand

Question 15. Due to the very high temperatures in the Earth’s interior, all materials are found in a-

  1. Gaseous state
  2. Viscous state
  3. Solid state

Answer: 2. Viscous state

Question 16. A sedimentary rock formed from dead organic matter is-

  1. Coal
  2. Gneiss
  3. Mudstone

Answer: 1. Coal

Question 17. Sandstone is metamorphosed into-

  1. Gneiss
  2. Quartzite
  3. Marble

Answer: 2. Quartzite

Question 18. The rock which is used for grinding spices is-

  1. Mudstone
  2. Limestone
  3. Sandstone

Answer: 3. Sandstone

Question 19. The conglomerate is an example of-

  1. Igneous rock
  2. Sedimentary rock
  3. Metamorphic rock

Answer: 2. Sedimentary rock

Question 20. An example of sedimentary rock is-

  1. Granite
  2. Slate
  3. Sandstone

Answer: 3. Sandstone

Question 21. Which of the following is an example of organic rock?

  1. Limestone
  2. Mudstone
  3. Sandstone

Answer: 1. Limestone

Question 22. Ancient monuments and palaces are made from-

  1. Igneous rocks
  2. Sedimentary rocks
  3. Metamorphic rocks

Answer: 2. Sedimentary rocks

Question 23. A sedimentary rock used to light fire is-

  1. Coal
  2. Clay
  3. Sandstone

Answer: 1. Coal

Question 24. A rock useful in the iron and steel industry is-

  1. Limestone
  2. Marble
  3. Basalt

Answer: 1. Limestone

Question 25. Formation of _____ rocks involves a tremendous amount of heat and pressure.

  1. Igneous
  2. Sedimentary
  3. Metamorphic

Answer: 3. Metamorphic

Question 26. The metamorphosed form of coal is-

  1. Graphite
  2. Slate
  3. Gneiss

Answer: 1. Graphite

Question 27. The metamorphosed form of gneiss is-

  1. Schist
  2. Phyllite
  3. Slate

Answer: 1. Schist

Question 28. Sculptures are made from-

  1. Marble
  2. Basalt
  3. Mudstone

Answer: 1. Marble

Question 29. The metamorphosed form of sandstone is-

  1. Quartzite
  2. Gneiss
  3. Slate

Answer: 1. Quartzite

Question 30. The metamorphosed form of gabbro is-

  1. Gneiss
  2. Serpentine
  3. Hornblende

Answer: 2. Serpentine

Question 31. The metamorphosed form of basalt is-

  1. Amphibolite
  2. Hornblende
  3. Gneiss

Answer: 1. Amphibolite

Question 32. Slate is metamorphosed into-

  1. Marble
  2. Phyllite
  3. Gneiss

Answer: 2. Phyllite

Question 33. Mudstone is metamorphosed into-

  1. Slate
  2. Marble
  3. Gneiss

Answer: 1. Slate

Question 34. Fossils are found in-

  1. Igneous rocks
  2. Sedimentary rocks
  3. Metamorphic rocks

Answer: 2. Sedimentary rocks

Question 35. The loose layer of rock debris formed by weathering is called-

  1. Regosol
  2. Raxysol
  3. Regolith

Answer: 3. Regolith

Question 36. Regur soil is formed from the rock called-

  1. Basalt
  2. Granite
  3. Gabbro

Answer: 1. Basalt

Question 37. An inorganic component of the environment is-

  1. Man
  2. Soil
  3. Bacteria

Answer: 2. Soil

Question 38. The percentage of air in the soil is-

  1. 20
  2. 15
  3. 25

Answer: 3. 25

Question 39. In soil, which two components are in equal proportions?

  1. Water-air
  2. Water-organic matter
  3. Air-minerals

Answer: 1. Water-air

Question 40. What is the percentage of organic matter in soil?

  1. 5%
  2. 10%
  3. 15%

Answer: 1. 5%

Question 41. One of the factors controlling the formation of soil is-

  1. Climate
  2. Flow of river
  3. Agricultural activities

Answer: 1. Climate

Question 42. Fertility of soil can be maintained over a long period of time by-

  1. Using chemical fertilisers
  2. Using organic fertilisers
  3. Afforestation

Answer: 2. Using organic fertilisers

Question 43. The water-holding capacity of sandy soil is-

  1. High
  2. Medium
  3. Low

Answer: 3. Low

Question 44. Watermelon is cultivated in-

  1. Sandy soil
  2. Loamy soil
  3. Clayey soil

Answer: 1. Sandy soil

Question 45. Nutrients required for plants are less in-

  1. Sandy soil
  2. Clayey soil
  3. Loamy soil

Answer: 1. Sandy soil

Question 46. The percentage of clay in clayey soil is-

  1. 40-50
  2. 60-70
  3. 80

Answer: 1. 40-50

Question 47. The water-holding capacity is very high in the case of-

  1. Alluvial soil
  2. Sandy soil
  3. Clayey soil

Answer: 3. Clayey soil

Question 48. Aeration in clayey soil is-

  1. Very high
  2. Very less
  3. Medium

Answer: 2. Very less

Question 49. The type of soil used in the cement industry is-

  1. Sandy soil
  2. Loamy soil
  3. Clayey soil

Answer: 3. Clayey soil

Question 50. The space between soil particles is very less in-

  1. Loamy soil
  2. Sandy soil
  3. Clayey soil

Answer: 3. Clayey soil

Question 51. The water-holding capacity of a clayey soil is-

  1. High
  2. Low
  3. Medium

Answer: 1. High

Question 52. The water-holding capacity of loamy soil is-

  1. Medium
  2. Low
  3. High

Answer: 1. Medium

Question 53. The soil preferred by farmers for cultivation is-

  1. Loamy soil
  2. Sandy soil
  3. Clayey soil

Answer: 1. Loamy soil

Question 54. Near river banks, we find-

  1. Alluvial soil
  2. Igneous rock
  3. Sedimentary rock

Answer: 1. Alluvial soil

Question 55. Alluvial soil can be further categorised into-

  1. Three groups
  2. Four groups
  3. Five groups

Answer: 1. Three groups

Question 56. Which of the following trees grow on saline soil?

  1. Betel Nut
  2. Mango
  3. Sundari

Answer: 3. Sundari

Question 57. Mangrove forest is found in coastal-

  1. Saline soil
  2. Alluvial soil
  3. Laterite soil

Answer: 1. Saline soil

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