Environment and Ecology questions best for any competitive examination

Environment Ecology

Q2. Which one of the following is not required for the formation of photo-chemical smog?
A. Oxygen
B. Oxide of nitrogen
C. carbon monoxide
D. Sunlight
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Q3. Which among the following Article was inserted in the Indian Constitution by 42nd Amendment, 1976 in purview of India being a signatory of Stockholm Conference of 1972?
A. Article 45
B. Article 47A
C. Article 48A
D. Article 51A
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Q4. Buddha Nullah has been the main source of pollution of which among the following rivers?
A. Chambal
B. Sutlej
C. Yamuna
D. Gandak
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Q5. Genetic diversity in agricultural crops is threatened by
A. introduction of high yielding varieties
B. intensive use of fertilizers
C. extensive intercropping
D. intensive use of biopesticides
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Q6. Which of the following is not one of the major environment problems resulting from human interference in the nitrogen cycle?
A. Eutrophication
B. Nitrous oxide release increases global warming
C. Increased acid rain
D. Stratospheric ozone depletion
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Q7. Which of the following is not one of the prime health risks associated with greater UV radiation through the atmosphere due to depletion of stratoshperic ozone?
A. Increased liver cancer
B. Increased skin cancer
C. Damage to eyes
D. Reduced immune system
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Q8. The CERES Principles are
A. codes for protection of salmon fisheries
B. a set of voluntary environmental standards for business
C. anti-pollution codes that were adopted at the first Earth Summit in 1992
D. designed to eliminate the production of greenhouse gases
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Q9. The following pollutant is not contained in the vehicular exhaust emissions
A. lead
B. ammonia
C. carbon monoxide
D. particulate matter
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Q10. CFCs are greenhouse gases that have caused a rise of 0.3 SC in the global temperatures in the past century. Name the CFC that is used in refrigerators.
A. Carbon dioxide
B. Freon
C. Methane
D. Ammonia
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