Soil Pollution MCQs | Soil Pollution Multiple Choice Questions with Answers

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Questions
61 Which element suppressed Downey mildew of pear millets?
A Chloride
B Fluoride
C Bromide
D Lithium

Answer: Chloride
62 Organic matter obtained
A OC x 1.724
B OC x 2.24
C OC x 1.55
D OC x 1.64

Answer: OC x 1.724
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63 Hydraulic conductivity is found to decrease in the following order
A K soil > Ca – soil > Na – soil
B Na – soil > K – soil > Ca – soil
C Ca – soil < K – soil < Na – soil
D Ca – soil > K – soil > Na – soil

Answer: Ca – soil > K – soil > Na – soil
64 CO2 content in rainwater is _______
A 0.35%
B 0.45%
C 0.25%
D 0.15%

Answer: 0.45%
65 Bedrock is absent in which soil?
A Black soil
B Red soil
C Alluvial soil
D Forest soil

Answer: Alluvial soil
66 Flow of nitrogen in soil mainly due to _____
A Mass flow
B Diffusion
C Interception
D None of the above

Answer: Mass flow
67 When organic matter added into the soil effect on bulk density
A Increased
B No effect
C Decreased
D None of the above

Answer: SC(NH2)2
68 Which factor is responsible for red colour in bhata (Entisol) soil?
A Hematite
B Geotite
C Maghemite
D None of the above

Answer: Hematite
69 Improper development of wheat inflorescence is due to deficiency of _____
A Molybdenum
B Boron
C Calcium
D Magnesium

Answer: Boron
70 Saturated hydraulic conductivity is measured by _____
A Pycnometer
B Tensiometer
C Amoozemeter
D Hydrometer

Answer: Amoozemeter
71 Which chemical compound is used for improve soil aeration, infiltration and water holding capacity of soil
A Jalshakti
B Fentachlore
C Hydrotech
D None of the above

Answer: Jalshakti
72 Reddish colour in muriate of potash is due to _____
A KCl
B Colour reagent
C Impurities
D All of the above

Answer: Impurities
73 Feldspars is primary mineral that occurs pre-dominantly in ________
A Igneous rock
B Sedimentary rock
C Metamorphic rocks
D All of the above

Answer: Igneous rock
74 In which point resistant to wind erosion in soil
A Permanent wilting point
B Hygroscopic point
C Field capacity
D None of the above

Answer: Permanent wilting point
75 Saline soil also known as _____
A Sodochalk
B None of the above
C Solonetz
D Solonchalk

Answer: Solonchalk
76 Kari is the local name of _____
A Acid soil
B Saline soil
C Acid sulfate soil
D None of the above

Answer: Acid sulfate soil
77 The honey-comb structure found in _____
A Alluvial soil
B Black soil
C Saline soil
D Laterite soil

Answer: Laterite soil
78 Which soil occur mainly a soil crust problem?
A Sandy soil
B Silty clay loam
C Loamy soil
D All of the above

Answer: Silty clay loam
79 Red colour of soil is due to _____
A Hematite
B Geothite
C Glauconite
D All of the above

Answer: Hematite
80 Black colour of soil is due to _____
A Titaniferous magnetite
B Geothite
C Glauconite
D Organic matter

Answer: Titaniferous magnetite
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