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Objective

Q.1: Soil is formed by the process of

a) Denudation b) Gradationc) Weathering d) Erosion

Q.2: Humus is
a) Indicative of very acidic soilsb) Light coloured or nearly white
c) Poisonous to soil microorganismsd) Decomposed organic matter

Q.3: In which of the following states, has deforestation caused land degradation due to
mining?

(a) Maharashtra(b) Jharkhand(c) Gujarat (d) Madhya Pradesh

Q.4: Which of the following is not important for the soil formation?
a) Reliefb) Parent rockc) Climated) Duration of day

Q.5: Land degradation due to mining can be seen in the states of:-

(a) Punjab and Haryana(b) Assam(c) Odisha(d) Mizoram

Q.6: Which one of the following in the main cause of land and water pollution in India in
recent years?
(a) Industrial Effluents(b) Chemical Fertilizer(c) Deforestation(d) Mining

Q.7: Soil is a:-

(a) Renewable Resource (b) Potential Resource
(c) Non- Renewable Resource (d) Actual Resource

Q.8: In which of the following states has overgrazing caused land degradation?
(a) Odisha
(b) Rajasthan
(c) Chhattisgarh
(d) Assam
Q.9: The thin layer of grainy substance covering the surface of the earth is called

(a) Soil(b) Sand(c) Mineral(d) Organic matter

Q.10:What is the third layer of a soil profile called, referring from earth surface?

(a) Unweathered parent bed rock(b) Subsoil
(c) Top soil(d) Substratum weathered parent rock

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