Andhra Pradesh Board Class 8 Biology Chapter 10 - Not for Drink - Not for Breath

How does air pollution lead to water pollution?

What steps can be taken up to control air pollution and water pollution?

Why does the increased level of nutrients in the water affect the survival of aquatic organisms?

Road side plants cannot grow properly - Find your own reasons and explain your argument.

Sudheer is a traffic constable. What do you think about his health. Give some suggestions to protect his health during duty period.

Write a short note on the effects of water pollution in your village suggest precautions

Visit a pollution check center. Observe the process of conducting a pollution check and record your findings. You may consider the following areas for your record:

An average number of vehicles checked in a certain time period, Time is taken to check each

vehicle, Pollutants checked for, The process of testing, Permissible limits of emission of various pollutants, Measures taken if the emitted gases are above the permissible limits.

Organize a field visit to a pond/lake / river present in or near to your village with the

the help of your teachers.

Observations followed by discussion could focus on... The history of the pond or lake or river, Water resources available other than that river/ pond/ or lake, Cultural traditions, Pollution concerns, Source of pollution, Effects of pollution on the people living by the river side as well as those living far away.

What is air pollution? Make a flowchart to describe its causes and effects.

Clear and transparent water is always suitable for drinking. Comment.