Effects of Water Pollution on the River Ganga
What is Ganga Action Plan ? When and why was it launched ?
What are the steps taken by the government to clean Ganga
What are water pollutants? [2 MARKS]
(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.
- metallic wastes
- metallic and plastic wastes
- Ganga Recovery Plan, 1990
- Ganga Action Plan, 1985
- Save Ganga, 1985
- Save holy River, 1985
The term “ water-pollution ” can be defined in several ways. Which of the following statements does not give the correct definition ?
The addition of undesirable substances to water bodies
The removal of desirable substances from water bodies
A change in pressure of the water bodies
A change in temperature of the water bodies
How are holy rivers getting polluted ??
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.
What do you mean by polluted water?
Explain the main cause of water pollution?
Water pollution can be classified as
Neither Biological nor Chemical
Both Biological and Chemical
What are the chief sources of industrial pollution of the river Ganga?
The contaminated water contains bacteria which uses oxygen and lowers the optimum level of oxygen necessary for survival.
- decrease in dissolved oxygen.
- low pressure of water.
- low water temperature.
- increase in dissolved oxygen.
Contamination of Ganga leads to
death of aquatic life
all of these
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)
- National Mission for Clean Ganga
- National Mission for Clean Gange
- National Mission for Cleaning Ganga
- None of the above
- Ganga River Plan
- Ganga Action Plan
- Ganga Organization
- Save Ganga Plan
Ganga is contaminated because
untreated sewage is dumped into it
food wastes and garbage is dumped
hot water from power plants is released in it
all of these
What are point sources of water pollution?
- contamination in the river increase
- harmful chemicals make the river water toxic
- pollution degraded the health of the river
- river current increases significantly