Contaminants

Q.

Which of the following disease is not caused by contaminated water?

1. Cholera

2. Typhoid

3. Dysentry

4. Bronchitis

Q. What is meant by depletion of water.

Q.

Give ways of better housekeeping practices. [3 MARKS]

Q.

Which of the following are causes of water shortage?

1. Over population

2. Over consumption

3. Water contamination

4. All of the above

Q. Water-borne disease is caused by consumption of contaminated water. Which of the following is a water borne disease?

1. Cholera
2. Typhoid
3. Asthma
4. Dysentry

Q. Identify the chemical used to disinfect water.

1. Washing soda
2. Chlorine
3. Baking soda
4. Nitrogen

Q. Manish's mother stopped him from throwing tea leaves in the wash basin while washing the container. She did this because

1. tea leaves will grow into a plant.
2. tea leaves can harden and block the pipes.
3. tea leaves will make the drain to stink.
4. tea leaves will allow more wastewater to pass.

Q. At what distance are manholes located in the sewerage?

1. 50 m - 60 m
2. 60 m - 100 m
3. 10 m - 20 m
4. 5 m - 10 m

Q.

While playing cricket, Akash felt thirsty and drank water from a nearby lake. This lake contains contaminated water. Which among the following diseases can Akash possibly suffer from?

1. Small pox

2. Cholera

3. Malaria

4. Chicken pox

Q. Match the following given impurities with the harmful effects caused by them.

1. Foul smell
2. Clog of drains
3. Typhoid & malaria

Q. Which amongst the following disease is caused due to the consumption of unsafe water?

1. Diarrhoea
2. Smallpox
3. Chickenpox
4. Malaria

Q. Diseases like typhoid and cholera are caused due to ________ .

1. global warming
2. greenhouse effect
3. water pollution
4. air pollution

Q.

give reasons :

1 india is facing water scarcity

Q. At what points of a sewer system is the following structure found?

Q.

While playing cricket, Akash felt thirsty and drank water from a nearby lake. This lake contains contaminated water. Which among the following diseases can Akash possibly suffer from?

1. Smallpox

2. Cholera

3. Fever

4. Chicken pox

Q. What happens if it doesn't rain for a long time?

1. Ponds and wells dry up.
2. Level of groundwater increases.
3. It causes water pollution.
4. There is no shortage of water.