Better Housekeeping Practices

Q.

What will happen if sewage is not treated?

Q.

Why can't distilled water be consumed?

Q.

(a)
Here is a crossword puzzle: Good luck!​
Across​
3. Liquid waste products​​


(b)
4. Solid waste extracted in sewage treatment


(c)
6. A word related to hygiene


(d)
8. Waste matter discharged from human body


(e)

Down​
1. Used water


(f)

Down​
2. A pipe carrying sewage


(g)

Down​
5. Micro-organisms which causes cholera


(h)

Down​
8. A chemical to disinfect water

Q.

The kitchen waste coming from houses block the drainage system.

1. True

2. False

Q.

How can wastewater generation be minimized at home? [3 MARKS]

Q.

Question 3
Why should oils and fats be not released in the drain? Explain.

Q.

What can be our role as active citizens in relation to sanitation? [5 MARKS]

Q.

Question 27

Think and suggest some ways to minimize waste and pollutants at their source, taking your home as an example.

Q. What is the role of an active citizen in relation to sanitation.​

Q.

Question 17

A man travelling in a train threw an empty packet of food on the platform. Do you think this is a proper waste disposal method? Elaborate.

Q.

Explain the alternative arrangements for sewage disposal.

Q.

Question 18

Why should we not throw
(a) Used tea leaves into the sink?
(b) Cooking oil and fats down the drain?

Q.

Why do we apply pressure during filteration process?

1. Deccelerate filteration

2. Accelerate filteration

3. No effect on filteration

4. None of the choices

Q. Non hazardous and solid wastes should be disposed in tied bags.

1. True
2. False

Q. A man travelling in a train threw an empty packet of food on the platform. Do you think this is a proper waste disposal method? Elaborate. [2 marks]

Q. Sheela's teacher said in her classroom that we should not dispose of motor oils and medicines in the drain. Why did her teacher say this statement?

1. Motor oil and medicine blocks the soil pores.
2. None of the above.
3. Motor oil and medicine allows the bacteria to grow.
4. Motor oil and medicine hamper the degradation process.

Q. Cooking oil should not be thrown down the drain because

1. They do not allow free flow of oxygen.
2. They do not allow bacteria to decompose waste.
3. They block the drainage pipes.
4. None of the above.

Q.

Which of the following generates most of the sewage?

1. Hospitals

2. Houses

3. Offices

4. Shops

Q.

Appu lives in an area where there is heavy rainfall. To prevent flooding of his village, the village has a parallel drainage system that collects rain water along with another drainage system that collects sewage. What is the drainage system that collects rainwater called?

1. Storm water drain

2. Flood water drain

3. Fresh water drain

4. Sewage water drain

Q. Cooking oil and fats should be thrown down the drain.

1. True
2. False

Q. Drains get blocked by :

1. Oil and tea leaves.
2. Chemicals and soil.
3. Chemicals and water.
4. Oil and chemicals.

Q.

What happens MANY times before the water can be returned to the water bodies?

1. It is cleaned.
2. It is disinfected
3. It is checked.
4. All of the above

Q.

Drains get blocked by ________ and __________.

Q. We should throw solid waste material in the dust-bin instead of the sink.

1. False
2. True

Q. Trash can containers must be covered properly to prevent dispersal of trash by animals or wind.

1. True
2. False

Q. We should throw solid waste material in the dust-bin instead of the sink.

1. False
2. True

Q. Can you trace the path followed by wastewater in various households?

1. House
2. Treatment plant
3. Interceptor
4. Water body
5. Sewage pipe

Q. The soil pores block and become ineffective in filtering the water due to

1. Disposal of oil in drainage pipe.
2. Disposal of oil in open drain.
3. Disposal of oil in garden.
4. None of the above.