Soil Pollution Quiz | Soil Pollution Objective Type Questions and Answers

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Questions
21 pH meter measures
A H ions activity
B H ions concentration
C Al ions
D All of the above

Answer: H ions activity
22 Spectrophotometer is used for determination of _____
A N
B P
C K
D All of the above

Answer: All of the above
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23 KMnO4 (potassium permanganate) is used for __________
A Available nitrogen
B Organic carbon
C Available phosphorus
D Available potassium

Answer: Available nitrogen
24 Which instrument is used for the estimation of potash (K)
A Spectrophotometer
B Flamephotometer
C Colorimeter
D Atomic absorption

Answer: Flamephotometer
25 Which method used for determination of available phosphorus in acid soil
A Jackson
B Walkley and Black
C Olsen
D Bray

Answer: Bray
26 Olsen method is used for phosphorus estimation
A Acidic soil
B Neutral to alkali soil
C Saline soil
D All of the above

Answer: Neutral to alkali soil
27 The unit used for the measurement of electrical conductivity is _____
A dS/m
B uS/cm
C mg/m
D Both A and B

Answer: Both A and B
28 EC (electrical conductivity) meter measures
A Total salt in soil
B Soluble salt in soil
C Both the salt
D None of the above

Answer: Soluble salt in soil
29 Which clay mineral is responsible for cracking in black soil?
A Kaolinite
B Illite
C Vermiculite
D Montmorillonite

Answer: Montmorillonite
30 Kanhar soil covers area in Chhattisgarh of total area
A 12%
B 39%
C 27%
D 21%

Answer: 21%
31 Bhata soil covers area in Chhattisgarh of total area
A 27%
B 39%
C 21%
D 12%

Answer: 12%
32 What is called for the movement of surface litter and topsoil from one place to another?
A Soil submerge
B Soil degradation
C Soil erosion
D Soil pollution

Answer: Soil erosion
33 What is used to convert wastelands into agricultural lands?
A Check dams
B Water purifier
C Rain harvesters
D Gradonies

Answer: Gradonies
34 Organic agriculture advocates avoiding the use of_____________________
A Organic manure
B Stored water
C Modern technologies in harvesting
D Chemical fertilizers

Answer: Chemical fertilizers
35 Phosphorus uptake in alkali soil in the form of _____
A H2PO4–
B HPO42–
C PO43–
D H3PO4

Answer: PO43–
36 Maximum N content found in N fertilizer
A Urea
B Sodium nitrate
C Ammonium sulphate
D Anhydrous ammonia

Answer: Anhydrous ammonia
37 The conversion factor for calculating P from P2O5
A P2O5 x 2.29
B P x 0.44
C P x 2.29
D P2O5 x 0.44

Answer: P2O5 x 0.44
38 Which organic fraction not soluble in both acid and alkali
A Fulvic
B Humic
C Humin
D All of the above

Answer: Humin
39 In munsell colour chart hue 10 represents as ______
A Red
B Black
C Grey
D Yellow

Answer: Yellow
40 Available water held between
A Saturation to wilting point
B Field capacity to hygroscopic coefficient
C Only field capacity
D Field capacity to wilting point

Answer: Field capacity to wilting point

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