Environmental Studies MCQ Set 20

Environmental Studies MCQ with Answers

Question 1. Soil pollution is caused by __________?

(A) PAN

(B) Acid Rain

(C) Ozone

(D) Aerosol

View Answer
(B) Acid Rain

Question 2. Example for a physical pollutant __________.

(A) Plant

(B) Radiation

(C) Air

(D) Water

View Answer
(B) Radiation

Question 3. Soil pollution is caused by?

(A) PAN

(B) Acid Rain

(C) Ozone

(D) Aerosol

View Answer
(B) Acid Rain

Question 4. Exxon Valdez? 

(A) Oil Tanker which sank in 1989 along the coast of Alaska and marine life seriously affected

(B) A ship which wrecked on the coast of India

(C) A plane which crashed and caused death of human life

(D) None of these

View Answer
(A) Oil Tanker which sank in 1989 along the coast of Alaska and marine life seriously affected 

Question 5. The phenomenon of accumulation of non-biodegradable pesticides in human beings __________.

(A) Bioremediation

(B) Biodegradation

(C) Bioaccumulation

(D) Biomagnification

View Answer
(C) Bioaccumulation

Question 6. The famous Minamata disease in Japan is due to the accumulation of_______ in fishes.

(A) Lead

(B) Zinc

(C) Mercurry

(D) Cadmium

View Answer
(C) Mercurry

Question 7. What is meant by the root zone process? 

(A) A process by which roots of plants are spread on the ground

(B) A control measure to prevent water pollution

(C) A control measure to prevent soil pollution

(D) None of these

View Answer
(B) A control measure to prevent water pollution 

Question 8. The term Nuclear winter is associated with?

(A) After effect of a nuclear explosion

(B) Nuclear weapon testing

(C) Nuclear disarmament

(D) Nuclear War

View Answer
(A) After effect of a nuclear explosion 

Question 9. Incineration of Municipal waste involves?

(A) Disintegration

(B) Redox action

(C) Deduction

(D) Oxidation

View Answer
(D) Oxidation

Question 10. Eutrophication results from?

(A) Agricultural and sewage water

(B) Pesticides

(C) Industrial effluents

(D) Vehicle exhaust

View Answer
(A) Agricultural and sewage water 

Question 11. ________is the poisonous gas leaked during the Bhopal gas tragedy.

(A) PVC

(B) MIC

(C) Hydrogen Sulphide

(D) Teflon

View Answer
(B) MIC

Question 12. Boron, Zinc and Manganese are usually referred to as?

(A) MBZ nutrients

(B) Soil Vitamins

(C) Macronutrients

(D) Micronutrients

View Answer
(D) Micronutrients 

Question 13. DDT is a ______ pollutant.

(A) Naturally degradable

(B) Un-biodegradable

(C) Non bio degradable

(D) Bio degradable

View Answer
(C) Non bio degradable

Question 14. Green House effect is caused by?

(A) Increase in CO2

(B) Decrease in CO2

(C) Decrease in O2

(D) Increase in O2

View Answer
(A) Increase in CO2 

Question 15. The darkening of the skin due to arsenic poisoning is called?

(A) Black syndrome

(B) Skin scaling

(C) Diffuse melanosis

(D) None of these

View Answer
(C) Diffuse melanosis 

Question 16. BOD stands for?

(A) Biological Oxygen Demand

(B) Biotic Oxygen Demand

(C) Biological Oxygen Decrease

(D) None of the above

View Answer
(A) Biological Oxygen Demand