Which chemical substance affects the Ozone Layer?

a) Chlorofluorocarbon | Chlorofluorocarbon affects the Ozone Layer.

In Ozone Degradation which element acts as catalyst?

a) Chlorine | Chlorine acts as catalyst in ozone degradation.

Ozone Layer is found in

a) Stratosphere | Ozone Layer is found in Stratosphere

Acid Rain comes under which type of pollution?

c) Soil pollution | Acid Rain comes under Soil pollution.

Bhopal gas tragedy of 1884 took place because methyl isocyanate reacted with

c) CO2 | Bhopal gas tragedy of 1884 took place because methyl isocyanate reacted with CO2

Chlorofluoro carbon are responsible for

d) Thermal inversion | Chlorofluoro carbon are responsible for Thermal inversion

Fluoride pollution mainly affect

a) Teeth | Fluoride pollution mainly affect Teeth

Nutrient enrichment of water bodies causes

b) Eutrophication | Nutrient enrichment of water bodies causes Eutrophication

Increased skin cancer and high mutation rate are due to

b) Ozone Depletion | Increased skin cancer and high mutation rate are due to Ozone Depletion

Natural air pollutant are

b) Gases of Volcanic Eruption | Natural air pollutant are Gases of Volcanic Eruption

Which one of the following is not a greenhouse gas?

d) Hydrogen | Hydrogen is not a greenhouse gas.

Minimata disease is caused by

c) By Methyl mercury | Minimata disease is caused by Methyl mercury.

Bluebaby syndrome results from

d) Methaemoglobin | Bluebaby syndrome results from Methaemoglobin

A mutagenic pollutant is:

c) Hydrocarbons | A mutagenic pollutant is Hydrocarbons

Common indicator organism of water pollution is

c) Escherichia coli | Common indicator organism of water pollution is Escherichia coli

Pollution of SO2 destroys

a) Lichen | Pollution of SO2 destroys SO2

Act formulated in 1996 was

d) Environment protection Act | Environment protection Act

The natural aging of the lake is called

b) Eutrophication | The natural aging of the lake is called Eutrophication

The agents that bring undesirable changes in the environment arc called

c) Pollutants | These are known as pollutants.

Particulate matter can be removed by

d) Electrostatic converter | Particulate matter can be removed by Electrostatic converter

The petrol used in engines filled with catalytic converter should be

c) Unleaded petrol | The petrol used in engines filled with catalytic converter should be Unleaded petrol

Which metal inactivates a catalytic converter?

d) Lead | Lead inactivates a catalytic converter.

Permissible noise levels in a residential area at night time is

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Q.20. Permissible noise levels in a residential area at night time is

35 dB
40 dB
45 dB
50 dB

Answer: (c) 45 dB

Environmental Issues : Biology (Class 12th) Revision Test | MCQs For NEET

25 Questions 2 Attempts 1.89K Seen

This practice/revision test includes 25 important multiple choice questions from the Class 12th Biology NCERT chapter - Environmental Issues. Start Test without Login in
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Q.No.	Que title	Option 1 (a)	Option 2 (b)	Option 3 (c)	Option 4 (d)
1	Which chemical substance affects the Ozone Layer?	Chlorofluorocarbon	Chlorine	Hexafluorocarbon	Molecular Carbon
2	In Ozone Degradation which element acts as catalyst?	Chlorine	Flurine	Oxygen	Potassium
3	Ozone Layer is found in	Stratosphere	Lithosphere	Troposphere	Hemisphere
4	Acid Rain comes under which type of pollution?	Water pollution	Air pollution	Soil pollution	Sound Pollution
5	Environment (Protection) Act came into force in?	1986	1989	1992	1993
6	Bhopal gas tragedy of 1884 took place because methyl isocyanate reacted with	DDT	Ammonia	CO2	Water
7	Chlorofluoro carbon are responsible for	Acid rain	Ozone layer depletion	Global warming	Thermal inversion
8	Fluoride pollution mainly affect	Teeth	Kidney	Brain	Heart
9	Nutrient enrichment of water bodies causes	Stratification	Eutrophication	Succession	None of these
10	Increased skin cancer and high mutation rate are due to	Acid Rain	Ozone Depletion	CO2 Pollution	CO Pollution
11	Natural air pollutant are	Pollen Grains	Gases of Volcanic Eruption	Aerosol	Fluorides
12	Which one of the following is not a greenhouse gas?	Methane	CO2	Chlorofluoro carbon	Hydrogen
13	Minimata disease is caused by	ByChromium	By Cadmium	By Methyl mercury	By Radioactive elements
14	Bluebaby syndrome results from	Excess of TDS	Excess of DO	Excess of chloride	Methaemoglobin
15	A mutagenic pollutant is:	Organophosphate	Resines	Hydrocarbons	Nitrogen oxides
16	Rain is called acid rain, its pH is below:	7	6.5	6	5.6
17	Common indicator organism of water pollution is	Lemna pancicostata	Eichhomia crassipes	Escherichia coli	Entamoeba histolytica
18	Pollution of SO2 destroys	Lichen	Fungi	Algae	Fish
19	Act formulated in 1996 was	Insecticide Act	Air (Prevention and Control of Pollution) Act	Water (Prevention and control of Pollution) Act	Environment protection Act
20	Permissible noise levels in a residential area at night time is	35 dB	40 dB	45 dB	50 dB
21	The natural aging of the lake is called	Biomagnification	Eutrophication	BOD	None of the above
22	The agents that bring undesirable changes in the environment arc called	Pollution	Fragments	Pollutants	None of the above
23	Particulate matter can be removed by	Catalytic converter	Converter	Radioactive converter	Electrostatic converter
24	The petrol used in engines filled with catalytic converter should be	Simple petrol	Any type of petrol	Unleaded petrol	None of the above
25	Which metal inactivates a catalytic converter?	Gold	Iron	Silvers	Lead

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