Q. What are the major causes of water pollution? Explain.

Q. For your agricultural field or garden you have developed a compost producing pit. Discuss the process in the light of bad odour, flies and recycling of wastes for a good produce .

Q. What do you mean by ozone hole? What are its consequences?

Q. What are the harmful effects of photochemical smog and how can they be controlled?

Q. How can domestic waste be used as manure?

Q. What is smog? How is classical smog different from photo chemical smog?

Q. A large number of fishes are suddenly found floating dead on a lake. There is no evidence of toxic dumping but you find an abundance of phytoplankton. Suggest a reason for the fish kill.

Q. What do you mean by green chemistry? How will it help decrease environmental pollution?

Q. What do you mean by Biochemical Oxygen Demand (BOD)?

Q. Carbon monoxide gas is more dangerous than carbon dioxide gas. Why?

Q. Define environmental chemistry.

Q. List the gases which are responsible for greenhouse effect.

Q. Write down the reactions involved during the formation of photo chemical smog.

Q. Explain 'tropospheric pollution' in 100 words or less.

Q. What are the reactions involved for ozone layer depletion in the stratosphere?

Q. What are pesticides and herbicides? Explain with examples.

Q. Statues and monuments in India are affected by acid rain. How?

Q. Have you ever observed any water pollution in your area? What measures would you suggest to control it ?

Q. What would have happened if the green house gases were totally missing in the earth's atmosphere? Discuss.

Q. Do you observe any soil pollution in your neighbourhood? What efforts will you make for controlling the soil pollution?