Chapter -2 [ Land, Soil, Water, Natural Vegetation, and Wildlife Resources]
1. Which one of the following is NOT a factor of soil formation?
a) time
b) soil texture
c) organic matter
d) climate
Answer. b) Soil texture
Soil texture is the physical property of soil; soil texture is not a factor of soil formation.
The following are factors of soil formation:
Parent rock
Climate[ Precipitation, temperature]
Relief[ Slope, Altitude]
Flora, Fauna, and Mico-organisms
Time
2. Which one of the following methods is most appropriate to check soil erosion on steep slopes?
a) shelterbelts
b) mulching
c) terrace cultivation
d) contour bunding
Answer. c) Terrace cultivation.
The terrace is a broad flat step made up of steep slopes.
Terrace cultivation is most appropriate to check soil erosion on steep slopes.
Mulching is most appropriate to check erosion on bare ground.
In the coastal region and dry regions, shelterbelts are panted to check wind erosion.
3. Which one of the following is NOT in favor of the conservation of nature?
a) switch off the bulb when not in use
b) close the tap immediately after using
c) dispose of poly packs after shopping
d) use cycle instead of motarcycle
Answer. c) dispose of poly packs after shopping,
Dispose of poly packs after shopping is not in favor of the conservation of nature. The use of poly packs should be minimized.
4. Match the following:
i) Land use (a) prevents soil erosion
ii) Humus (b) narrow zone of contact between the lithosphere, hydrosphere, and atmosphere
iii) Rock dams (c) productive use of land
iv) Biosphere (d) organic matter deposited on topsoil
(e) contour plowing
Answer.
Land use means the productive use of land.
Humus is organic matter deposited on topsoil.
Rock dams prevent soil erosion.
The biosphere is the narrow zone of contact between the lithosphere, hydrosphere, and atmosphere.
5. Ninety percent ( 90 %) of the world population live in ---- percent of the land area of the world?
a) 10
b) 20
c) 30
d) 40
Answer. c) 30
6. Which of the following areas are generally densely populated?
a) Desert areas
b) Thickly forested areas
c) Plains and river valley
d) steep slopes of mountains
Answer. c) Plains and river valley
7. Which of the following is the human factor that determines the lad use pattern?
a) Topography
b) Climate
c) Water availability
d) Population and technology
Answer. d) Population and technology
8. These community lands are also called?
a) Public land
b) Private land
c) Common property resource
d) All
Answer. c) Common property resource
9. Which of the following are the major threats to the environment because of the expansion of agriculture and construction activities?
a) Land degradation
b) landslides and soil erosion
c) desertification
d) All of the above
Answer. d) All of the above
10. Which of the following are some of the common methods used to conserve land resources?
a) Afforestation
b) land reclamation
c) regulated use of chemical pesticides and fertilizers and checked on overgrazing.
d) All of the above
Answer. d) All of the above
11. The breaking up and decay of exposed rocks, by temperature changes, frost action, plants, animals, and human activity is called?
a) Erosion
b) Weathering
c) Landslides
d) Desertification
Answer. b) Weathering
12. the mass movement of rock, debris, or earth down a slope is called?
a) Erosion
b) Weathering
c) Landslides
d) Desertification
Answer. c) Landslides
13. Which of the following is not a mitigation mechanism for landslides?
a) Hazard mapping to locate areas prone to landslides.
b) Construction of a retention wall to stop the land from slipping.
c) The surface drainage control works.
d) Deforestation
Answer. d) Deforestation
14. Which of the following influence the rate of weathering and humus formation of Soils?
a) Parent Rocks
b) Climate
c) Relief
d) Time
Answer. b) Climate( precipitation and temperature)
15. Which of the following determines the color, texture, chemical, properties, minerals, content, and permeability of soils?
a) Parent Rocks
b) Climate
c) Relief
d) Time
Answer. a) Parent Rocks
16. Which of the following determines the accumulation of soil?
a) Parent Rocks
b) Climate
c) Relief
d) Time
Answer. c) Relief
17. Which of the following determines the thickness of the soil profile?
a) Parent Rocks
b) Climate
c) Relief
d) Time
Answer. d) Time
18. Which of the following factors leads to soil degradation?
a) deforestation
b) overgrazing
c) overuse of chemical fertilizers or pesticides
d) All of the above
Answer. d) All of the above
19. Which of the following are soil conservation methods?
a) Mulching and Contour barriers
b) Intercropping and Contour Ploughing
c) Rock dam and terrace farming
d) All of the above
Answer. d) All of the above
20. The bare ground between plants is covered with a layer of organic matter like straw to retain soil moisture. This type of soil conservation is called?
a) Mulching
b) Intercropping
c) Contour Ploughing
d) Contour barriers
Answer. a) Mulching
21. Stones, grass, and soil are used to build barriers, and Trenches are made in front of
the barriers to collect water. This type of soil conservation is called?
a) Mulching
b) Intercropping
c) Contour Ploughing
d) Contour barriers
Answer. d) Contour barriers.
22. Rocks are piled up to slow down the flow of water. This prevents gullies and further soil loss. This type of soil conservation is called?
a) Rock dam
b) Intercropping
c) Contour Ploughing
d) Terrace farming
Answer. a) Rock dam
23. Broad flat steps or terraces are made on steep slopes to reduce surface runoff and soil erosion. This type of soil conservation is called?
a) Shelterbelt
b) Intercropping
c) Contour Ploughing
d) Terrace farming
Answer. d) Terrace farming
24. Different crops are grown in alternate rows and are sown at different times to protect the soil from rain wash. This type of soil conservation is called?
a) Shelterbelt
b) Intercropping
c) Contour Ploughing
d) Terrace farming
Answer. b) Intercropping
25. Ploughing parallel to the contours of a hill slope to form a natural barrier for water to flow down the slope. This type of soil conservation is called?
a) Shelterbelt
b) Intercropping
c) Contour Ploughing
d) Terrace farming
Answer. c) Contour Ploughing
26. In the coastal and dry regions, rows of trees are planted to check the wind movement to protect soil cover. This type of soil conservation is called?
a) Shelterbelt
b) Intercropping
c) Contour Ploughing
d) Terrace farming
Answer. a) Shelterbelt
27. Life began on earth in----?
a) Lithosphere
b) Ocean
c) Atmosphere
d) All of the above
Answer. b) Ocean
28. Life began on earth almost ------ years ago?
a) 2.5 billion
b) 3.5 billion
c) 4.5 billion
d) 5.5 billion
Answer. b) 3.5 billion
29. An average urban Indian uses about ----- liters of water every day.
a) 100
b) 150
c) 200
d) 500
Answer. b) 150
30. Series of protected areas linked through a global network, intended to demonstrate the relationship
between conservation and development, is called?
a) National Park
b) Wildlife sanctuary
c) Biosphere reserve
d) World heritage site
Answer. c) Biosphere reserve
31. Which of the following is not true regarding CITES (the Convention on International Trade in Endangered Species of Wild Fauna and Flora).
a) It is an international agreement between governments.
b) It aims to ensure that international trade in specimens of wild animals and plants does not threaten their survival.
c) Roughly 5,000 species of animals and 28,000 species of plants are protected under CITES.
d) It is an NGO.
Answer. d) It is an NGO.
32. Which of the following prevents soil erosion?
a) Land use
b) Humus
c) Rock dams
d) Biosphere
Answer. c) Rock dams
33. the narrow zone of contact between the lithosphere, hydrosphere, and atmosphere is called?
a) Land use
b) Humus
c) Rock dams
d) Biosphere
Answer. d) Biosphere
34. What productive use of land is called?
a) Land use
b) Humus
c) Rock dams
d) Biosphere
Answer. a) Land use
35. organic matter deposited on topsoil is called?
a) Land use
b) Humus
c) Rock dams
d) Biosphere
Answer. b) Humus
36. Which of the following statement is false?
a) Ganga–Brahmaputra plain of India is an overpopulated region.
b) Water availability per person in India is declining.
c) Rows of trees planted in the coastal areas to check the wind movement are called Shelterbelt.
d) Human interference and changes in climate can maintain the ecosystem.
Answer. d) Human interference and changes in climate can maintain the ecosystem.
Chapter Wise MCQ of class 8 geography
- Chapter-1[ Resources]
- Chapter -2 [ Land, Soil, Water, Natural Vegetation, and Wildlife Resources]
- Chapter -3[ Mineral and Power Resources]
- Chapter-4 [ Agriculture]
- Chapter-5[ Industries]
- Chapter-6[ Human Resources]
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