This practice/revision test includes 25 important multiple choice questions from the Class 12th Biology NCERT chapter – Environmental Issues.
Environmental Issues : Biology (Class 12th) Revision Test | MCQs for NEET
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Total: 25 Questions
Questions
Q1.
Which chemical substance affects the Ozone Layer?
📘 Explanation:
Chlorofluorocarbon affects the Ozone Layer.
Q2.
In Ozone Degradation which element acts as catalyst?
📘 Explanation:
Chlorine acts as catalyst in ozone degradation.
Q3.
Ozone Layer is found in
📘 Explanation:
Ozone Layer is found in Stratosphere
Q4.
Acid Rain comes under which type of pollution?
📘 Explanation:
Acid Rain comes under Soil pollution.
Q5.
Environment (Protection) Act came into force in?
📘 Explanation:
1992
Q6.
Bhopal gas tragedy of 1884 took place because methyl isocyanate reacted with
📘 Explanation:
Bhopal gas tragedy of 1884 took place because methyl isocyanate reacted with CO2
Q7.
Chlorofluoro carbon are responsible for
📘 Explanation:
Chlorofluoro carbon are responsible for Thermal inversion
Q8.
Fluoride pollution mainly affect
📘 Explanation:
Fluoride pollution mainly affect Teeth
Q9.
Nutrient enrichment of water bodies causes
📘 Explanation:
Nutrient enrichment of water bodies causes Eutrophication
Q10.
Increased skin cancer and high mutation rate are due to
📘 Explanation:
Increased skin cancer and high mutation rate are due to Ozone Depletion
Q11.
Natural air pollutant are
📘 Explanation:
Natural air pollutant are Gases of Volcanic Eruption
Q12.
Which one of the following is not a greenhouse gas?
📘 Explanation:
Hydrogen is not a greenhouse gas.
Q13.
Minimata disease is caused by
📘 Explanation:
Minimata disease is caused by Methyl mercury.
Q14.
Bluebaby syndrome results from
📘 Explanation:
Bluebaby syndrome results from Methaemoglobin
Q15.
A mutagenic pollutant is:
📘 Explanation:
A mutagenic pollutant is Hydrocarbons
Q16.
Rain is called acid rain, its pH is below:
📘 Explanation:
5.6
Q17.
Common indicator organism of water pollution is
📘 Explanation:
Common indicator organism of water pollution is Escherichia coli
Q18.
Pollution of SO2 destroys
📘 Explanation:
Pollution of SO2 destroys SO2
Q19.
Act formulated in 1996 was
📘 Explanation:
Environment protection Act
Q20.
Permissible noise levels in a residential area at night time is
Q21.
The natural aging of the lake is called
📘 Explanation:
The natural aging of the lake is called Eutrophication
Q22.
The agents that bring undesirable changes in the environment arc called
📘 Explanation:
These are known as pollutants.
Q23.
Particulate matter can be removed by
📘 Explanation:
Particulate matter can be removed by Electrostatic converter
Q24.
The petrol used in engines filled with catalytic converter should be
📘 Explanation:
The petrol used in engines filled with catalytic converter should be Unleaded petrol
Q25.
Which metal inactivates a catalytic converter?
📘 Explanation:
Lead inactivates a catalytic converter.
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