Find out the reasons for floods in a city or big town and suggest some measures to check it.

Suggest measures to check floods.

Suggest some measures to control soil pollution.

Observe this pollution certificate, try to find out the answers for following questions. What is emission test? What components are tested in the pollution check up center?

Find the measure of angle 'a' in each case. Give reason :

Find the measure of angle ‘a’ in each figure. Give reason in each case .

Find the measure of angle 'a' in each case. Give reason:

Find the measure of angle 'a' in each case. Give reason:

Find the measure of angle 'a' in each case. Give reason:

Find out the correct reason for non-existence of sharp annual rings in Secondary dicot root as found in secondary wood of dicot stem.

To find out quantity of water in the bottle, we measure……….