Biology
Study the picture given below and answer the following questions:
(i) Identify the type of pollution.
(ii) Name one pollutant that causes the above pollution.
(iii) Mention the impact of this pollution on human health.
(iv) State one measure to control this pollution.
(v) What is a 'Pollutant'? Explain the term.
Pollution
ICSE 2019
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Answer
(i) The above mentioned picture is of water pollution.
(ii) Sewage and oil spills are a few pollutants that cause water pollution.
(iii) Water pollution can cause many water borne diseases like Typhoid, Cholera, Jaundice, Dysentery, Diarrhoea, etc.
(iv) Setting up of sewage treatment plants in larger habitations and septic tanks in houses is an effective measure to control water pollution.
(v) Any such constituent the addition of which to air, water or land deteriorates the natural quality of the environment is termed as a Pollutant.
For example — Harmful gases, Smoke, Garbage, Dust, etc.
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