IIT JEE Questions And Answers :: Environmental Chemistry: part1



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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