Prevention of Water Pollution

Q.

How do humans impact the nitrogen cycle?

Q.

Water availability per person in india is declining. True or False?

Q. What is irrigation ? Describe two methods of irrigation which conserve water.

Q.

Forests and coal are ________ natural resources. - Chemistry Q&A

Q.

Suggest a few useful ways of utilising wastewater.

Q.

Sewage water from residential areas and used water from industries must be disposed of directly into the rivers and lakes to prevent water pollution.

1. True

2. False

Q.

What is a watershed?

Q.

6. We should conserve water for future.

1. True
2. False

Q. Why do we suffer from shortage of water? Suggest some ways to conserve water.

Q.

1. Two- third of Earth is covered with water. Why is there scarcity of water?

Q. Sewage water from residential areas and used water from industries must be disposed off directly into the rivers and lakes.

1. True
2. False

Q.

Which of the following is hardest naturally occurring substance?

1. Graphite

2. Diamond

3. Fullerene

4. Iron

Q.

Explain the term water conservation.

Q. Identify an objective of watershed management.

1. To improve and increase the production of wildlife resources
2. To increase infiltration of rainwater
3. Both A and B
4. To fulfill the increasing demand of portable water

Q.

_________ is the main natural source of water.

1. Air

2. Soil

3. Rain

4. Mineral

Q. Water is a valuable resource. List two ways that you would suggest every family member to save this resource.

Q. How can you reuse waste water in your houses?

Q. What are the ways by which you can raise the ground water level in your house?

Q.

How does planting trees help in groundwater conservation?

Q. In your area there is scarcity of water and due to this people are affected. So, what are the measures to be taken by you to meet out the scarcity of water?

Q. As a natural resource, groundwater is

(a) renewable and exhaustible
(b) renewable and inexhaustible
(c) non-renewable and exhaustible
(d) non-renewable and inexhaustible

Q. How do you conserve water by watering plants?

1. By watering Twice a week
2. By watering very little
3. By watering optimum quantities regularly
4. By watering heavily but less often

Q.

Water treatment plant is a must for industries generating sewage.

1. True
2. False

Q. How can we conserve water in present scenario?

Q. Greatest problem in water conservation is to reduce the amount of

1. Ground water
2. Precipitation
3. Run-off water
4. Evaporation

Q. Why does water need conversation even though large oceans surround the land masses?

Q. Which of the following can be used to conserve water in homes?

1. Composting toilets
2. Rainwater harvesting
3. Automatic faucet
4. All of the above

Q. It is necessary to conserve wetland because

1. It purify surface water
2. It recharge ground water
3. It holds back water
4. Both A and B

Q. Suggest a few useful ways of utilising waste water.

Q. Nitrogen is the major environmental pollutant of ground water in many parts of the world. What are the main reasons for the accumulation of nitrogen in the ground water