(i) Who launched this campaign and when? (ii) Mention some chief objectives of this campaign. Solution:- (i) The Swachh Bharat Abhiyan is a major cleanliness initiative launched by the Indian...

(i) Name the phenomenon and explain it. (ii) Enlist the sources that are responsible for the above mentioned phenomenon. (iii) List out the effects of the above phenomenon on humans. Solution:- (i)...

(i) Name the kind of pollution. (ii) List the sources of pollution. (iii) Mention any two harmful effects of this pollution. Solution:- (i) Noise Pollution (ii) Industrial machines, workshops,...

Solution:- (i) Sewage: The liquid waste from residential activities is referred to as sewage. It is made up of kitchen garbage, toilet waste, and other household waste. Small towns and villages...

Solution:- The Swachh Bharat Abhiyan is a major cleanliness initiative launched by the Indian government. Our Prime Minister, Shri Narendra Modi, formally launched it on October 2, 2014, at India...

Solution:- (i) The use of horns is prohibited. (ii) Loudspeaker restrictions, particularly at night. (iii) Avoiding the use of firecrackers

Solution:- Accidental petroleum spills in oceans or estuaries are known as oil spills. Overturned oil tankers, offshore oil mining, and oil refineries are all sources of spills. A great deal of...

Solution:- (i) Agricultural wastes (ii) Kitchen waste (iii) Sanitary waste

(i)   Rivers contaminated with sewage. (ii)  Too much gaseous exhausts containing CO2 and SO2. (iii) Pesticides such as DDT used in agriculture.’ (iv) Prolonged noise such as the...

Solution:- Reduce, Reuse, Recycle, Recover

peal of vegetables and fruits, metallic cans, broken plastic toys, broken glass cover, grass, paper, ball point pen refill. Solution:- The biodegradable wastes are peal of vegetables and fruits,...

(i) Rubber particles and dust raised by running motor vehicles are examples of ……………… pollutants. (ii) Too frequent exposure to ……………. in a medical diagnostic technique may damage chromosomes (iii)...

Column I Column II (i) Chlorofluocarbons (CFCs)  (a) Global warming (ii)  Flyash (b) Biodegradable (iii) Cow...

(i) A pollutant which is mainly responsible for causing acid rain. (ii) Any two chemicals leading to the formation of ozone holes. (iii) The chemical element which caused minimata disease in Japan....

Solution:- (b) Ozone

Solution:- (b) Disposing of corpses in rivers

Solution:- (d) The dust raised during road-cleaning