pedology or soil & agriculture section 6 Practice Questions Answers Test with Solutions & More Shortcuts
Pedology or Soil & Agriculture PRACTICE TEST [6 - EXERCISES]
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pedology or soil & agriculture section 6
Question : 6 [SSC SO 2001]
The soil water which is of the greatest importance to plant life is
a) Hygroscopic water
b) Combined water
c) Gravitational water
d) Capillary water
Answer »Answer: (d)
Capillarity is the primary force that enables the soil to retain water, as well as to regulate its movement. The phenomenon of capillarity also occurs in the soil. In the same way, that water moves upwards through a tube against the force of gravity; water moves upwards through soil pores or the spaces between soil particles.
Gravitational water occupies the larger soil pores (macropores) and moves down readily under the force of gravity. Water in excess of the field capacity is termed gravitational water. Gravitational water is of no use to plants because it occupies the larger pores. It reduces aeration in the soil.
Question : 8 [PSC (Pre) 2013]
Assertion (A):
Earthworms are not good for agriculture.
Reason (R):
Earthworms break down the soil into fine particles and make it soft.
Code
a) (A) is true, but (R) is false
b) (A) is false, but (R) is true
c) Both (A) and (R) are true and (R) is the correct explanation of(A)
d) Both (A) and (R) are true, but (R) is not the correct explanation of (A)
Answer »Answer: (b)
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Pedology or Soil & Agriculture Shortcuts »
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indian geography mcq CATEGORIES
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» Nature & Scope of Geography
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» Universe, solar system and Astronomy
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» Geomorphology & Earth landforms
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» Atmosphere & Climatology
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» Hydrosphere & Oceanography
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» Pedology or Soil & Agriculture
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» Ecology & Bio geography
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» World Physical Geography
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» World Human Geography (Population)
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» World Economic Geography (Industry, Trade, Transportation & Agriculture)
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» World Country, Capital, Area, Currency, Parliament, Religion, New & old name of country
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» Physiography & Geomorphology of India
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» Indian Drainage, Irrigation and Rivers & River Projects
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» Indian Climate
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» Ecology, Environment, Forest, Naturals vegetations of India & National Park of India
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» Indian Agriculture & Animal Husbandry
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» Minerals & Energy Resources of India
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» Industries & Trade in India
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» Transportation & Ports System of India
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