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प्रश्न
Excess of fluoride in drinking water causes:
पर्याय
Lung disease
Intestinal infection
Fluorosis
None of the above
उत्तर
Fluorosis
संबंधित प्रश्न
Define pollution. “Industries are pouring poison in water” - Explain
Study the picture given below and answer the following questions :
State one measure to control this pollution.
What are natural reasons for water pollution?
List two major harmful effects of the following:
Rivers contaminated with sewage.
What are the common sources of oil spills?
A lot of fish are dying near a sea shore. Describe any two possible causes.
Differentiate between chemical pollution and thermal pollution.
List the cause of water pollution.
Mention any two sources of water pollution.
Water is not necessary for our basic needs.
Usage of chemical pesticides and fertilisers causes ________ pollution.
Explain the different ways by which water gets polluted.
What are some solutions to toxic dumping in our oceans?
Classify the most significant sources of water pollutants.
Which of the following is not a way to conserve water?
How do plastic sheets affect the soil?
A river with an inflow of domestic sewage rich in organic waste may result in:
Water sample is called cleanest on the basis of which one of the BOD values is given below.
Give two examples of water pollutants.
