Effects of Water Pollution on the River Ganga

Q.

What is Ganga Action Plan ? When and why was it launched ?

Q.

What are the steps taken by the government to clean Ganga

Q. Write a short note on the Ganga action plan?

Q. Give a case study on gangs action plan

Q.

What are water pollutants? [2 MARKS]

Q.

(a) What is meant by water pollution? What are the different ways in which water gets polluted?

(b) State the harmful effects of water pollution.

Q. Waste water released from toilets is full of germs and ______.

1. metallic wastes
2. plastics
3. metallic and plastic wastes
4. microbes

Q. The government project launched to save Ganga from contamination was:

1. Ganga Recovery Plan, 1990
2. Ganga Action Plan, 1985
3. Save Ganga, 1985
4. Save holy River, 1985

Q.

The term “ water-pollution ” can be defined in several ways. Which of the following statements does not give the correct definition ?

1. The addition of undesirable substances to water bodies

2. The removal of desirable substances from water bodies

3. A change in pressure of the water bodies

4. A change in temperature of the water bodies

Q.

How are holy rivers getting polluted ??

Q.

You are a member of the municipal body of your town. Make a list of the measures that would help your town to ensure the supply of clean water to all its residents.

Q.

What do you mean by polluted water?

Q.

Explain the main cause of water pollution?

Q.

Water pollution can be classified as

___

1. Chemical

2. Biological

3. Neither Biological nor Chemical

4. Both Biological and Chemical

Q.

What are the chief sources of industrial pollution of the river Ganga?

Q.

The contaminated water contains bacteria which uses oxygen and lowers the optimum level of oxygen necessary for survival.

1. True

2. False

Q. In the given image the fish died due to:

1. decrease in dissolved oxygen.
2. low pressure of water.
3. low water temperature.
4. increase in dissolved oxygen.

Q. Why accumulation of plastic is considered a serious problem ?

Q.

Contamination of Ganga leads to ___ .

1. impure water

2. death of aquatic life

3. acidic soil

4. all of these

Q. What are the different ways in which water gets contaminated?

Q.

What do you mean by water pollution? Describe it's sources and it's harmful effect and how we can minimize it.(1+1+1.5+1.5 mark)

Q. Which of the following initiative was launched for cleaning the Ganga river?

1. National Mission for Clean Ganga
2. National Mission for Clean Gange
3. National Mission for Cleaning Ganga
4. None of the above

Q. Eutrophication causes a hypoxic condition in water bodies.

1. False
2. True

Q. ______ was launched in 1985 to save river Ganga.

1. Ganga River Plan
2. Ganga Action Plan
3. Ganga Organization
4. Save Ganga Plan

Q.

Ganga is contaminated because ___ .

1. untreated sewage is dumped into it

2. food wastes and garbage is dumped

3. hot water from power plants is released in it

4. all of these

Q. Sewage water from residential areas and used water from industries must be disposed of directly into the rivers and lakes.

1. True
2. False

Q.

What are point sources of water pollution?

Q. Which river sustains most of the northern, central and eastern Indian population?

1. Sabarmati
2. Ganga
3. Narmada
4. Yamuna

Q. What are the hazards of disposal of plastic into water?

Q. There were plenty of Ganges river dolphins, but very few are left now. This is because ___ .

1. contamination in the river increase
2. harmful chemicals make the river water toxic
3. pollution degraded the health of the river
4. river current increases significantly