Question 1 : 'Wild Life Protection Act' was enacted in the year
1. 1971
2. 1972
3. 1973
4. 1974
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Question 2 : The term 'Refuse' generally does not include is
1. Ashes
2. Excreta
3. Putrescible solid waste
4. Non putrescible solid waste
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Question 3 : An ecosystem consists of
1. Population
2. A biotic community
3. A population and its non-living elements
4. A biotic ecommunity and its non-living elements
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Question 4 : The basic element in fossil fuels is
1. Oxygen
2. Carbon
3. Sulphur
4. Phosphorus
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Question 5 : Amount of carbon dioxide present in atmospheric air is
1. 0.32%
2. 0.38%
3. 21%
4. 78%
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Question 6 : What is the Max. allowable concentration of Iron content in drinking water ?
1. 0.5 mg/l
2. I.0 mg/l
3. 1.5 mg/l
4. 2.0 mg/l
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Question 7 : Percentage of nitrogen in earth's atmosphere is
1. 12%
2. 21%
3. 78%
4. 98%
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Question 8 : Tendency of pollutants to become concentrated in successive tropic levels is known as
1. Biopiracy
2. Biorhythm
3. Bioremediation
4. Biomagnification
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Question 9 : The major objective of the family welfare programs in India is
1. Disease control
2. Employment generation
3. Population growth rate control
4. None of these
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Question 10 : Organic farming is
1. enhancing biodiversity
2. promoting soil biological activity
3. farming without using pesticides and chemical fertilizers
4. all the above
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