CBSE Class 12 Environmental Issues Multiple Choice Questions with Answers. MCQ Questions Class 12 Environmental Issues with Answers Is Prepared Based on Latest Exam Pattern. Students can solve NCERT MCQ questions Class 12 Environmental Issues with Answers to know their preparation level.
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MCQ Questions Class 12 Environmental Issues with Answers - Set - 3
Question 1:
Bluebaby syndrome results from:
(a) Excess of TDS
(b) Excess of DO
(c) Excess of chloride
(d) Methaemoglobin
Correct Answer – (D)
Question 2:
Which one of the following is not a greenhouse gas?
(a) Methane
(b) CO2
(c) Chlorofluoro carbon
(d) Hydrogen
Correct Answer – (D)
Question 3:
Increased skin cancer and high mutation rate are due to:
(a) Acid Rain
(b) Ozone Depletion
(c) CO2 Pollution
(d) CO Pollution
Correct Answer – (B)
Question 4:
Fluoride pollution mainly affect:
(a) Teeth
(b) Kidney
(c) Brain
(d) Heart
Correct Answer – (A)
Question 5:
Bhopal gas tragedy of 1884 took place because methyl isocyanate reacted with:
(a) DDT
(b) Ammonia
(c) CO2
(d) Water
Correct Answer – (C)
MCQ Questions Class 12 Environmental Issues With Answers
Question 6:
Minimata disease is caused by:
(a) ByChromium
(b) By Cadmium
(c) By Methyl mercury
(d) By Radioactive elements
Correct Answer – (C)
Question 7:
Natural air pollutant are:
(a) Pollen Grains
(b) Gases of Volcanic Eruption
(c) Aerosol
(d) Fluorides
Correct Answer – (B)
Question 8:
Nutrient enrichment of water bodies causes:
(a) Stratification
(b) Eutrophication
(c) Succession
(d) None of these
Correct Answer – (B)
Question 9:
Chlorofluoro carbon are responsible for:
(a) Acid rain
(b) Ozone layer depletion
(c) Global warming
(d) Thermal inversion
Correct Answer – (D)
Question 10:
Environment (Protection) Act came into force in?
(a) 1986
(b) 1989
(c) 1992
(d) 1993
Correct Answer – (C)
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