Soil Pollution MCQs | Soil Pollution Short Questions and Answers

Sports GK Questions and Answers 2024 (Latest Updated)

Awards & Honours GK Questions 2024 (Latest Updated)

Questions
41 Soil colloidal particle shows the phenomena
A Plasticity
B Adhesion and cohesion
C Flocculation
D All of the above

Answer: All of the above
42 Which plant is used for indication of permanent wilting point?
A Safflower
B Sunflower
C Marigold
D Both A and C

Answer: Sunflower
Advertisement
Article and Schedule Quiz Start Test!
DOWNLOAD CURRENT AFFAIRS PDF FROM APP
43 Hydrogen bond found in which clay mineral
A Beidelite
B Vermiculite
C Montmorillonite
D Kaolinite

Answer: Kaolinite
44 Immobilization of sulphur occur in soil when C:S ratio is _____
A < 300:1
B > 300:1
C > 400:1
D > 200:1

Answer: > 400:1
45 Denitrification is a process of ______
A Oxidation
B Reduction
C Hydration
D Carbonation

Answer: Reduction
46 Thiourea is type of fertilizer
A Slow release
B Nitrification inhibitors
C Natural nitrification inhibitors
D Artificial nitrification inhibitors

Answer: Artificial nitrification inhibitors
47 Chemical formula of thiourea is _____
A CO(NH2)2
B SC(NH2)2
C HCN
D None of the above

Answer: SC(NH2)2
48 Quantity of soil to be taken for texture analysis
A 10g
B 20g
C 30g
D None of the above

Answer: 20g
49 The K2O content in Illite varied between
A 6 to 10%
B 2 to 4%
C 10 to 15%
D 33%

Answer: 6 to 10%
50 The microorganism lies below < 10°C is called _______
A Mesophiles
B Thermophiles
C None of the above
D Psychrophiles

Answer: Psychrophiles
51 Optimum temperature for mesophile
A 10-20°C
B 20-40°C
C 40-60°C
D 15-20°C

Answer: 20-40°C
52 Which organism derive their energy from oxidation of complex organic compound
A Heterotrophs
B Autotrophs
C Chemotrophs
D Lithotrophs

Answer: Heterotrophs
53 Most of the soil organism is _____
A Psychrophiles
B Thermophiles
C All of the above
D Mesophiles

Answer: Mesophiles
54 Optimum growth of bacteria in soil
A Acidic
B Alkali
C Neutral to slightly alkaline
D Slightly acidic to neutral

Answer: Neutral to slightly alkaline
55 Fungi growth optimum in pH
A 2.5-4.5
B 4.5-6.5
C 6.5-7.5
D 7.5-8.5

Answer: 4.5-6.5
56 Aroma of earthy smell in first shower of monsoon is due to _____
A Actinomycetes
B Bacteria
C Fungi
D None of the above

Answer: Actinomycetes
57 Rhizobium is an _____ organism
A Hetrotrophs anaerobic
B Heterotrophs aerobic
C Autotrophs anaerobic
D Autotrophs aerobic

Answer: Heterotrophs aerobic
58 Nitrification process ceases at pH
A < 5
B < 6
C < 4
D All of the above

Answer: < 5
59 Nitrification rapid in _____ season
A Winter
B Rainy
C Summer
D All of the above

Answer: Summer
60 For mineralization of P optimum ratio of C:N:P should be _____
A 100:10:1
B 50:10:1
C 80:10:1
D 30:10:1

Answer: 100:10:1

Random GK Questions

Q. If an industry is characterised by economies of scale then
Q. Which factor does not influence in Marketing ?
Q. Who inagurated the 35th National Games held in Kerela?
Q. Which one of the following elements is associated with teeth disorder?
Q. Who is referred to as the Supreme Commander of Forces in India?
Q. The polymerization of which of the following is used in manufacturing of polythene in industry?
Assam Direct Recruitment Test Series

Teacher Eligibility Test

Assam Direct Recruitment Test Series