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World Geography Practice Test: Soil
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Soil is the loose surface material that covers most land. It consists of inorganic particles and organic matter. Soil provides the structural support to plants used in agriculture and is also their source of water and nutrients.

World Geography Practice Test: Soil
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25 Questions

1. Laterite is produced by
2. Lithosols are
3. Assertion (A) : Laterite, the typical soil of tropical region, is rich in oxides of iron and aluminium compounds. Reason (R) : Heavy rainfall promotes leaching of lime and silica content of the soil. Codes
4. Assertion (A) : Laterite soils are reddish in colour and poor in humus and plant nutrients. Reason (R) : In humid tropical climate, excessive leaching takes place under alternative arid and humid conditions. Codes
5. Consider the following statements:
1. The granite and gneisses give rise to red soil through weathering.
2. The laterite soil contains the hydrated oxides of iron and aluminium.
3. Both the red and laterite soils are poor in nitrogen but rich in potash and phosphorus. Which of the statement(s) given above is/are correct?
6. Edaphic conditions relate to
7. Soils developed in humid tropical regions are called
8. Match List-I (Soil group) with List- II (Climatic Region) and select the correct answer using the codes given below the lists: List-I List-II
A. Chernozem 1. Temperate grasslands
B. Terra Rossa 2. Mediterranean
C. Podzol 3. Cool temperate
D. Sierozem 4. Hot desert Codes A B C D
9. Assertion (A) : Volcanic soils are usually fertile. Reason (R) : The heat of eruption causes fertility on such soils. Codes
10. Soil water avaliable to plants is maximum in
11. Which one of following statements is not correct?
12. Salinisation occurs when the irrigation water accumulated in the soil evaporates, leaving behind salts and minerals. What are the effects of salinisation on the irrigated land?
13. The most important factor of soil formation is
14. Hydromorphic soils are
15. Consider the following statements: Low soil fertility in Rainy Tropics can be caused by
1. high temperature and heavy rainfall.
2. eluviations and leaching.
3. the existence of an extremely active bacterial life on the forest floor. Of these statements
16. Which of the following types of soils produced by granite and gneiss of weathering?
17. What types of soil particles are present in loamy soils?
18. A horizon of soil is
19. Laterite is an example of
20. Consider the following statements:
1. Chernozem soils originate under tall grass prairie vegetation.
2. Literites form under hot and humid climatic conditions. Which of the statement(s) given above is/are correct?
21. Fishing in inland waters is most important in
22. Atacama desert covers
23. Laterite soils are formed due to
24. The proporties of a soil is indicated by its
25. Chestnut soils are