MCQ ON ENVIRONMENTAL ISSUES class 12 for NEET

MCQ ON ENVIRONMENTAL ISSUES class 12 for NEET | ENVIRONMENTAL ISSUES class 12 | MCQ ENVIRONMENTAL ISSUES with Answer | Check the below NCERT MCQ question for class 12 Biology based on the with Answers.

MCQ on ENVIRONMENTAL ISSUES class 12 Biology with answers were prepared based on the latest pattern.We have provided class 12 Biology MCQs questions on ENVIRONMENTAL ISSUES with Answers to help students understand the concept very well.

MCQ ON ENVIRONMENTAL ISSUES is useful for NEET / CSIR / UGC / CBSE / ICSE / AIIMS / EXAM / AFMC EXAM / STATE LEVEL MEDICAL EXAM 2022-23, 2023-24

Introduction:
Human population size has grown enormously over the last 100 years. Increase in demand for food, water, electricity, home,roads, automobiles and numerous other commodities . These demands are exerting tremendous pressure on our natural resources, and also contributing to pollution of air , water and soil. The need of the hour is to check the degradation and depletion of our precious natural resources and pollution without halting the process of development. Pollution is any undesirable change in physical chemical or biological characteristics of air , land, water or soil. Agents that bring about such a undesirable change are called as pollutants. In order to control environmental pollution, India has passed the environmental protection act 1986 to protect and improve the quality of our environment air ,water and soil.

MCQ ON ENVIRONMENTAL ISSUES class 12 for NEET

1. Major aerosol pollutant in jet plane emission is

(a) Sulphur dioxide
(b) carbon monoxide
(c) methane
(d) fluorocarbon

Ans (d) fluorocarbon

2. Guess released during Bhopal tragedy was

(a) methyl isocyanate
(b) potassium iso thiosyanate
(c) sodium isothyocyanate
(d) none of the above

Ans. (a) methyl isocyanate

3. Minamata disease is due to pollution of

(a) organic waste into drinking water
(b) oil spill in water
(c) industrial waste Mercury
(d) arsenic into the atmosphere

Ans. (c) industrial waste Mercury

4. Cyclone collector is for used for minimising

(a) radioactive pollution
(b) air pollution
(c) noise pollution
(d) water pollution

Ans.(b) air pollution

5. Sulphur dioxide affects

(a) cell Wall
(b) plasmodesmata
(c) all membrane systems
(d) nucleus

Ans.(c) all membrane system

6. Addition of phosphate and nitrate fertilizer into water leads to

(a) increased growth of decomposers
(b) reduced algal growth
(c) increased algal growth
(d) nutrient enrichment or eutrophication

Ans.(d) nutrient enrichment or eutrophication

7. Carbon monoxide is pollutant as it

(a) inactivate nerves
(b) inhibits glycolysis
(c) combines with oxygen
(d) combines with hemoglobin

Ans.(d) combines with hemoglobin

8. Acid rains are produced by

(a) Excess NO2 and SO2 from burning fossil fuels
(b) Excess production of ammonia by industrial and coal gas
(c) Excess release of carbon monoxide by incomplete combustion
(d) Excess formation of carbon dioxide by combustion and animal respiration

Ans.(a) access nitrogen dioxide and Sulphur dioxide from burning fossil fuels

9. Spraying of DDT produces pollution of

(a) air
(b) air and water
(c) air and soil
(d) air ,water and soil

Ans. (d) air , water and soil

10. Most abundant Water pollutant is

(a) Detergents
(b) Pesticides
(c) Industrial wastes
(d) Ammonia

Ans. (c) industrial wastes

11. SO2 pollution is indicated by

(a) Deschampsia ( grasses)
(b) Sphagnum ( mosses)
(c) Usnea ( lichens
(d) Cucurbita

Ans.(c) Usnea ( lichens)

12. Noise pollution is measured in

(a) Hertz
(b)Fathoms
(c) Nanometres
(d) Decibels