Environmental Studies Questions and Answers for Competitive Exams | Environmental Studies Quiz Set 12

Sports GK Questions and Answers 2024 (Latest Updated)

Awards & Honours GK Questions 2024 (Latest Updated)

Questions
1 An interactive association between two populations in which one population benefits from the association, while the other is not affected, is
1 Mutualism
2 Neutralism
3 Commensalism
4 Symbiosis

Answer: Commensalism
2 The method for downstreaming of ethanol from fermentation broth is
1 Filtration
2 Flow cytometry
3 Distillation
4 Flame Photometry

Answer: Distillation
Advertisement
Article and Schedule Quiz Start Test!
DOWNLOAD CURRENT AFFAIRS PDF FROM APP
3 The country which uses maximum nuclear power is
1 U.S.A
2 Japan
3 France
4 Germany

Answer: France
4 Which bacteria removes copper from low grade copper ore ?
1 Thiobacillus sp
2 Bacillus thuringiensis
3 Rhizobium sp
4 All of the above

Answer: Thiobacillus sp
5 Which of the following is not a part of Geographic Information System (GIS) ?
1 Projection
2 Overlay
3 Reclassification
4 Measuring distance and connectivity

Answer: Projection
6 Ultrafiltration can remove
1 Suspended solids
2 Bacteria
3 Protozoa
4 All the above

Answer: All the above
7 A good automobile fuel, in addition to having high calorific value, should have
1 High ignition temperature
2 High viscosity
3 Low ignition temperature
4 Moderate ignition temperature

Answer: Moderate ignition temperature
8 Reserve food material in algae is
1 Starch
2 Cellulose
3 Protein
4 None of the above

Answer: Starch
9 The biodegradability of xenobiotics can be characterized by
1 Rate of CO2 formation
2 Rate of O2 consumption
3 Ratio of BOD to COD
4 All of the above

Answer: All of the above
10 The soil borne plant pathogens could be controlled by
1 Lowering pH
2 Increasing pH
3 Adding lime
4 All of the above

Answer: Lowering pH
11 A selective Lignin degrading fungus belongs to
1 Soft – rot
2 Brown – rot
3 White – rot
4 Red – rot

Answer: White – rot
12 The drastic reduction in the number of intestinal pathogens during activated sludge process is the overall result of
1 Competition
2 Competition and adsorption
3 Predation, competition and adsorption
4 Competition, adsorption, predation and settling

Answer: Competition, adsorption, predation and settling
13 Which of the following disinfection method does not result in synthesis of organochlorine ?
1 Chlorination
2 Chloroamination
3 Ozonation
4 None of the above

Answer: Ozonation
14 An organism’s niche is
1 the way the organism uses the range of physical and biological conditions in which it lives.
2 all the biological and physical factors in the organism’s environment.
3 the function role played by the organism where it lives
4 the range of temperature that the organism needs to live.

Answer: the function role played by the organism where it lives
15 The pyramid of biomass is invented in
1 Forest ecosystem
2 Greenland ecosystem
3 Aquatic ecosystem
4 All of the above

Answer: Aquatic ecosystem

View All Environmental Studies Practice Test Sets

Random GK Questions

Q. The condensation of the chromosomes are maximal with visible centromeres at which phase of cell cycle
Q. Liver- oil of fish is rich in
Q. The power to create or abolish the Upper House of the State Legislature belongs to the
Q. What is a Sponge?
Q. The chief weathering processes are
Q. Abetting the commission of suicide is dealt under :
Assam Direct Recruitment Test Series

Teacher Eligibility Test

Assam Direct Recruitment Test Series