Subject: PollutionXSources

Photochemical smog is a resultant of the reaction among

Which of the following are some important pollutants released by steel industry in India?
1. Oxides of sulphur
2. Oxide of nitrogen
3. Carbon monoxide
4. Carbon dioxide
Select the correct answer using the code given below:

There is some concern regarding the nanoparticles of some chemical elements that are used by the industry in the manufacture of various products. Why?
1. They can accumulate in the environment and contaminate water and soil.
2. They can enter the food chains.
3. They can trigger the production of free radicals.
Select the correct answer using the code given belowBrominated

Brominated flame retardants are used in many household products like mattresses and
upholstery. Why is there some concern about their use?
1. They are highly resistant to degradation in the environment.
2. They are able to accumulate in humans and animals.
Select the correct answer using the code given below:

Which of the following adds/add carbon dioxide to the carbon cycle on the planet Earth?
1. Volcanic action
2. Respiration
3. Photosynthesis
4. Decay of organic matter
Select the correct answer using the code given below.

Why is there a great concern about the ‘microbeads’ that are released into environment?

In India, the use of carbofuran, methyl parathion, phorate and triazophos is viewed with apprehension. These chemicals are used as

Which of the following are the reasons/factors for exposure to benzene pollution?
(1) Automobile exhaust
(2) Tobacco smoke
(3) Wood burning
(4) Using varnished wooden furniture
(5) Using products made of polyurethane
Select the correct answer using the code given below:

With reference to furnace oil, consider the following statements:

1.It is a product of oil refineries.
2.Some industries use it to generate power.
3.Its use causes sulfur emissions into the environment.
Which of the statements given above are correct?

Bisphenol A (BPA), a cause of concern, is a structural/key component in the manufacture of which of the following kinds of plastics?