Natural Water Pollutants

Q. Which of the following are organic impurities?

1. Faeces
2. Vegetable waste
3. Metals
4. Oil

Q. Generally, waterborne diseases are caused by polluted water due to:

1. detergents
2. sediments
3. organic pollutants
4. human and animals excreta

Q. Human beings can exist without clean water.

1. False
2. True

Q. Pair the diseases to the area of our body or the organ it majorly affects.

1. Leprosy
2. Cholera
3. Hepatitis

Q. Which of the following disease(s) can be caused by water been polluted by toxic metals and their compounds?
A) Cancer B) Diarrhea C) Skin disease

1. A and B
2. C and A
3. B and C
4. A, B and C

Q. Pair the diseases to the area of our body or the organ it majorly affects.

1. Leprosy
2. Cholera
3. Hepatitis

Q. What are the natural reasons for water pollution?

Q. Diseases like diarrhoea can be caused due to ______ pollution.

1. water
2. noise
3. air
4. soil

Q. Which of the following is a water-borne disease?

1. Common cold
2. Cancer
3. Cholera
4. Chicken pox

Q.

Name two diseases caused by toxic chemicals in polluted water.

Q. Why does the increased level of nutrients in the water affect the survival of aquatic organisms? [5 MARKS]

Q. Which of the following activities require water?

1. Bathing
2. Drinking
3. Sleeping
4. Cooking

Q.

Water pollution can be potentially harmful to aquatic life. What are the ways by which water gets contaminated?

1. Sewage waste

2. Chlorination

3. Industrial waste

4. Boiling

Q.

Water that is fit for drinking is appropriately called _____ water.

1. ground
2. distilled
3. potable
4. bottled

Q. Choose the natural cause of water pollution.

1. Industrial effluents
2. Oil spills
3. Aquatic weeds
4. Fertilizers

Q.

Which of the following is not present in the filtered water?

1. Salts
2. Germs
3. Minerals
4. Dirt

Q. Several Japanese were killed by eating fish that caused the disease namely:

1. typhoid
2. disentry
3. minamata
4. cholera