Sanitation

Q. An untreated human excreta is a health hazard .Explain.

Q.

Write the full form of WWTP.

Q.

Question 11
Here is a crossword puzzle: Good luck!


Across
3. Liquid waste products
4. Solid waste extracted in sewage treatment
6. A word related to hygiene
8. Waste matter discharged from human body

Down
1. Used water
2. A pipe carrying sewage
5. Micro-organisms which causes cholera
7. A chemical to disinfect water

Q.

Question 10
Outline your role as an active citizen in relation to sanitation.

Q.

Wastewater released by houses is called ____________.

Q.

Question 25

Fill in the blanks in the following statements using words given in the box



A very __ number of our people defecate in the open. It may cause __ pollution and soil pollution. Both the surface water and __ water get polluted. __ water is the source for wells, tube wells and __. Thus, it becomes the most common route for __ borne diseases like __, dysentery, etc.

Q.

What is the purpose of chlorination in wastewater treatment? What are the various sources from which wastewater is generated? [3 MARKS]

Q.

Being an active citizen of a country, which of the following will you support in relation to sanitation?

1. Separate trash as recycled and non recycled wastes

2. Cover the open drains

3. No littering

4. All of these

Q.

Question 6
Untreated human excreta is a health hazard. Explain.

Q. The disease caused due to improper sanitation in public place is

1. Pandemic.
2. Non-communicable.
3. Endemic.
4. None of the above.

Q. Untreated human excreta is a health hazard. Explain and give examples. [3 MARKS]

Q. Sanitation at public places can be maintained by

1. Proper drainage.
2. Garbage management.
3. Sufficient public toilet facilities.
4. All of the above.

Q. Being an active citizen of a country, which of the following should you practice in relation to sanitation?

1. Cover the open drains
2. Put wastes in the dustbin
3. Defecate in the open
4. Separate trash as biodegradable and non-biodegradable

Q.

Untreated human excreta is a health hazard. Explain.

Q. Match the given impurities present in sewage with their correct classification.

1. A-1, B-4, C-1, D-4
2. A-4, B-1, C-2, D-3
3. A-2, B-4, C-3, D-1
4. A-3, B-1, C-4, D-2

Q. The presence of coliform bacteria beyond the prescribed limit indicates ........................ by disease causing micro-organisms.

Q.

Potable water should be free from harmful chemicals and microorganisms.

1. True
2. False

Q. An example of water-borne disease is

1. Scabies
2. Influenza
3. Trachoma
4. Typhoid

Q.

Question 9
Explain the relationship between sanitation and disease.

Q. Disease caused due to poor sanitation is

1. Cancer.
2. Typhoid.
3. Polio.
4. Both B and C.

Q. Match the following impurities in sewage with the categories to which they belong.

Q. Choose the option that contains a suspended as well as a dissolved impurity present in sewage.

1. Indigo dye, mustard oil
2. Polythene bags, diapers
3. Pesticides, fertilisers
4. Fertilisers, clay particles

1. 2 and 3
2. Only 2
3. 1, 3 and 4
4. 1 and 4

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.

What do you mean by sewage?

Q.

Which of the following statement describes the relationship between sanitation and disease?

1. Poor sanitation does not lead to diseases

2. Good sanitation and contaminated drinking water is the cause for a large number of diseases.

3. Poor sanitation and contaminated drinking water is the cause for a large number of diseases.

4. There is no relation between sanitation and diseases

Q.

How are sanitation and diseases related?

Q.

When I was roaming in Chennai after the Tsunami, I noticed poor sanitation and contaminated drinking water. This could be the main source of _______ in the nearby areas.

1. food for animals

2. a large number of diseases

3. good health

4. antibiotics

Q.

Public places such as railway stations, bus depots and hospitals are clean because they do not generate any waste and are free from diseases.

1. True

2. False

Q. It is used in the manufacture of drain cleaners

(a) Calcium hydroxide
(b) Magnesium hydroxide
(c) Sodium hydroxide
(d) None of these

Q. We should design toilets that do not utilise the waste.

1. True
2. False