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Free download in PDF Soil Pollution Multiple Choice Questions with Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams. These short solved questions or quizzes are provided by Gkseries.
61
Which element suppressed Downey mildew of pear millets?
[A]
Chloride
[B]
Fluoride
[C]
Bromide
[D]
Lithium
62
Organic matter obtained
[A]
OC x 1.724
[B]
OC x 2.24
[C]
OC x 1.55
[D]
OC x 1.64
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%
65
Bedrock is absent in which soil?
[A]
Black soil
[B]
Red soil
[C]
Alluvial soil
[D]
Forest soil
66
Flow of nitrogen in soil mainly due to _____
[A]
Mass flow
[B]
Diffusion
[C]
Interception
[D]
None of the above
67
When organic matter added into the soil effect on bulk density
[A]
Increased
[B]
No effect
[C]
Decreased
[D]
None of the above
68
Which factor is responsible for red colour in bhata (Entisol) soil?
[A]
Hematite
[B]
Geotite
[C]
Maghemite
[D]
None of the above
69
Improper development of wheat inflorescence is due to deficiency of _____
[A]
Molybdenum
[B]
Boron
[C]
Calcium
[D]
Magnesium
70
Saturated hydraulic conductivity is measured by _____
[A]
Pycnometer
[B]
Tensiometer
[C]
Amoozemeter
[D]
Hydrometer
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
72
Reddish colour in muriate of potash is due to _____
[A]
KCl
[B]
Colour reagent
[C]
Impurities
[D]
All of the above
73
Feldspars is primary mineral that occurs pre-dominantly in ________
[A]
Igneous rock
[B]
Sedimentary rock
[C]
Metamorphic rocks
[D]
All of the above
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
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
78
Which soil occur mainly a soil crust problem?
[A]
Sandy soil
[B]
Silty clay loam
[C]
Loamy soil
[D]
All of the above
79
Red colour of soil is due to _____
[A]
Hematite
[B]
Geothite
[C]
Glauconite
[D]
All of the above
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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