Water Pollutants

Q.

Which of the following is not a way to conserve water?

1. replace

2. reduce

3. reuse

4. recycle

Q.

Which of the following is not a way to conserve water?

1. replace

2. reduce

3. reuse

4. recycle

Q.

Addition of hot water in the water bodies is considered as water contamination.

1. Only Statement A is true

2. Only Statement B is true

Q. Which of the following harmful elements includes in E-wastes?

1. Mercury
2. Cadmium
3. Lead
4. Gold

Q. Industrial wastes, oils and fats should not be thrown into the drains because they can:

1. kill mosquitoes
2. kill the useful microbes
3. harden and block the pipes
4. breed fishes

Q. Industrial wastes, oils and fats should not be thrown into the drains because they can:

1. kill mosquitoes
2. kill the useful microbes
3. harden and block the pipes
4. breed fishes

Q. With reference to the National Sub-Mission on Arsenic and Fluoride to provide safe drinking water, which one of the following statements is INCORRECT?

1. Water purification plants will be set up in affected villages as a short-term-immediate measure to provide safe water for drinking and cooking purpose
2. As a permanent solution, safe and perennial surface water-based piped water will be supplied to all arsenic and fluoride affected habitations
3. It has set March 2020 as a deadline for completion of the project in mission-mode
4. None of the above