" (iii) Pollution (iv "

what is noise pollution? Give a sources of noise pollution.

Which of the following are true ? (i) Benzene hexachloride is a non biodegradable pollutant. (ii) Anthropogenic air pollutants are natural in origin. (iii) Carbon monoxide is a primary air pollutant. (iv) Sulphur dioxide causes brown air effect during traffic congestion in cities .

Which of the following statements are correct ? (i) Benzene hexachloride (BHC) is a non-biodegradable pollutant. (ii) Anthropogenic air pollutants are natural in origin. (iii) Carbon monoxide is a primary air pollutant. (iv) Sulphur dioxide causes brown air effect during traffic congestion in cities.

Which of the following statements are correct ? (i) Benzene hexachloride (BHC) is a non-biodegradable pollutant. (ii) Anthropogenic air pollutants are natural in origin. (iii) Carbon monoxide is a primary air pollutant. (iv) Sulphur dioxide causes brown air effect during traffic congestion in cities.

Given below is a representation of a kind of pollution. Study the same and answer the questions that follow : (i) Name the kind of pollution. (ii) List any three common sources of this pollution (iii) Mention three harmful effects of this pollution on human health. (iv) Explain the term 'Pollutant'. (v) Name two soil pollutants.

Two statements are given followed by four inferences. Select the alternative which is most appropriate. Statements : India is becoming industrialised. Pollution is a problem associated with industrialisation Inferences: I. All industrial centres are polluted. II. India is polluted. III. Polluted nations are industrialised. IV. India may become polluted.

Two statements are given followed by four inferences. Select the alternative which is most appropriate. Statements: India is becoming industrialised. Pollution is a problem associated with industrialisation Inferences: I. All industrial centres are polluted. II. India is polluted. III. Polluted nations are indus trialised. IV. India may become polluted.

Given below is a representation of a type of pollution. Study the picture and answer the questions : (i) Name the type of pollution shown in the picture. (ii) Name one source of this pollution. (iii) How does this pollution affect human health ? (iv) Write one measure to reduce this pollution. (v) State one gaseous compound that leads to the depletion of the ozone layer and creates'Ozone holes'.

Pollution -Introduction || Types of Pollutants || Types of Pollution || Air Pollution :- Causes || Major Air Pollutants and their Effects.