Environmental Chemistry QUESTIONS AND ANSWERS

IIT JEE : Environmental Chemistry QUESTIONS AND ANSWERS :: part1 : 11 to 15

Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :

11.Ozone layer of stratosphere requires protection from indiscriminate use of

Fungicides, insecticides, bactericides and medicines

Aerosols and high flying jets

Atomic explosions and industrial wastes

Weather balloons.

12.Which of the following play significant role in depletion of ozone layer ?

Oxides of nitrogen

Oxides of carbon

Oxides of sulphur

None of the above.

13.DDT is

Biodegradable pollutant

Nondegradable contaminent

Air pollutant

An antibiotic.

14.Which of the following is a mode of controlling pollution in big cities?

Cleanliness and less use of insecticides

Proper disposal of organic wastes, sewage and industrial effluents

Broder roads and shifting of factories out of the residential areas

All the above.

15.Chief source of water and soil pollution is

Mining of ores

Thermal power plant

Agro-industry

All of the above.

More Environmental Chemistry QUESTIONS AND ANSWERS available in next pages

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