Hello Friends, In Today’s Article, We Will Tell You MCQs Questions And Answers Of Class 10 Air Pollution A Hidden Menace Chapter.

Multiple Choice Questions (MCQs) With Answers
1. The Quantum Of Pollutants That Enters Our Body Is More Through
A) Water
B) Food
C) Noise
D) Air
Ans – Air
2. The Dipper Fish Has Vanished From River Of Central Wales Because Of ___ Rain
A) Oxide
B) Acid
C) Nitrogen
D) Sulphur
Ans – Acid
3. Acid Rain Contains ___ Along With Other Chemicals.
A) Oxides Of Sulphur And Nitrogen.
B) Carbon Dioxide And Nitrogen.
C) Carbon Dioxide And Sulphur.
D) Carbon Dioxide And Sulphur Dioxide.
Ans – Oxides Of Sulphur And Nitrogen.
4. Which Are Rated The First Among The Industries That Discharge High Amounts Of Smoke And Ash?
A) Steel
B) Cement Industries
C) Ore Processing Industries
D) Thermal Power Stations
Ans – Thermal Power Stations
5. Automobiles In Greater Kolkata Alone Spew
About 1500 Tonnes Of Pollutants Into The
Atmosphere Every ___
A) Week
B) Month
C) Year
D) Day
6. What Is The Percentage Of Carbon Dioxide In Air?
A) 0.3%
B) 0.03%
C) 0.33%
D) 3%
Ans – 0.03%
7. Automobiles Release Maximum ____
(A) Nitrous Oxide
(B) Carbon Dioxide
(C) Carbo Monoxide
(D) Sulphur Dioxide
Ans – Carbo Monoxide
8. The Tragic Industrial Accident That Occurred In Union Carbide On 3rd December, 1984 Was In ___
(A) Bhopal
(B) Kolkata
(C) New Delhi
(D) Chennai
Ans – Bhopal
9. What Is The Percentage Of Nitrogen In The Air?
(A) 58
(B) 68
(C) 78
(D) 88
Ans – 78
10. About Sixty Per Cent Of Air Pollution Is Caused By ____
(A) Animals
(B) Birds
(C) Automobiles
(D) Aeroplanes
Ans – Automobiles
11. Due To Air Pollution Our ___ Slowly Become Garbage Dumps.
(A) Hearts
(B) Lungs
(C) Kidneys
(D) Stomach
Ans – Lungs
12. Air Is A Mixture Of Gases Comprising Of ___ Percentage Of Nitrogen.
(A) 58
(B) 68
(C) 78
(D) 88
Ans – 78
13. A Man Can’t Live Without ____ For More Than 2/3 Minutes.
(A) Water
(B) Food
(C) Fire
(D) Air
Ans – (D) Air
14. Over ____ Local People Were Killed In Bhopal Industrial Accident In 1984.
(A) 7000
(B) 6000
(C) 5000
(D) 4000
Ans – (D) 4000
15. Automobiles Release Maximum ____
(A) Carbon Monoxide
(B) Nitrous Oxide
(C) Carbon Dioxide
(D) Oxides Of Sulphur
Ans – (A) Carbon Monoxide
16. Air Has ___ Percent Oxygen.
(A) 78
(B) 18
(C) 21
(D) 68
Ans – (C) 21
17. An Average Adult Exchanges ____ Kg Of Air A Day.
(A) 10
(B) 15
(C) 25
(D) 35
Ans – (B) 15
18. The Release Of Maximum Carbon Monoxide From Automobiles Is Responsible For ___ Per Cent Of Air Pollution.
(A) 40
(B) 50
(C) 60
(D) 70
Ans – (C) 60
Class 10 Air Pollution A Hidden Menace MCQs With Answers
1. Cattle Have Been Poisoned By ___
(A) Car Exhaust Gases
(B) Power Plants
(C) Fumes From Smelters
(D) Acid Rain
Ans – (C) Fumes From Smelters
2. Air Pollution Causes Rubber Tyres On
Autombiles ___
(A) To Crack
(B) Become Porous
(C) To Crack And Become Porous
(D) To Crack And Become Shabby
Ans – (C) To Crack And Become Porous
3. Periods Of High Levels Of Air Pollution Were Linked To An Increased Number Of Deaths In____
(A) The United States And Britain
(B) The United States And Europe
(C) Britain And France
(D) Sweden And Norway
Ans – (B) The United States And Europe
4. Who Is Called A Meteorologist ?
(A) A Person Who Designs Motor Engines
(B) A Person Who Tries To Check Pollution
(C) A Person Who Measures Pollution
(D) A Person Who Studies Weather
Conditions
Ans – (D) A Person Who Studies Weather
Conditions
5. The Most Tragic Industrial Accident Of Bhopal
Took Place In ____
(A) An Industry
(B) A Thermal Power Station
(C) A Chemical Plant
(D) A Cement Industry
Ans – (C) A Chemical Plant
6. How Did The Bhopal Industrial Accident Take Place ?
(A) Due To The Release Of Chemicals Into
The Atmosphere
(B) Due To The Release Of Deadly Gas From
A Chemical Plant
(C) As The Chemical Plant Caught Fire
(D) None Of The Above
Ans – (B) Due To The Release Of Deadly Gas From A Chemical Plant
7. What Was The Effect Of Industrial Accident ?
(A) About 4,000 People Were Killed
(B) Many People Of The City Became Blind
(C) Many People Of The City Became
Crippled
(D) All The Above
Ans – (D) All The Above
8. How Long Can A Man Live Without Air ?
(A) Can Live Without Air For A Minute
(B) Cannot Live Without Air For A Minute
(C) Can Live Without Air For Some Time
(D) None Of The Above
Ans – (B) Cannot Live Without Air For A Minute
9. It Is Estimated That An Average Adult
Exchanges ____
(A) 1.5 Kg Of Air A Day
(B) 2.5 Kg Of Air A Day
(C) 15 Kg Of Air A Day
(D) 25 Kg Of Air A Day
Ans – (C) 15 Kg Of Air A Day
10. How Do Maximum Quantity Of Pollutants
Enter Our Body ?
(A) Through Respiration
(B) Through Polluted Water
(C) Through Contaminated Food
(D) None Of The Above
Ans – (A) Through Respiration
11. We Respire The Polluted Air Containing ____
(A) Abnoxious Gases And Ash
(B) Ash And Dust Particles
(C) Unpleasant Gases, Ash And Dust
Particles
(D) Gases, Ash And Dust Particles
Ans – (C) Unpleasant Gases, Ash And Dust
Particles
12. What Make Our Lungs Affected ?
(A) The Pollutants In The Atmosphere
(B) The Polluted Air
(C) The Smoke In The Atmosphere
(D) None Of The Above
Ans – (A) The Pollutants In The Atmosphere
13. Some Poisonous Gases Along With Smoke Are Released By ___
(A) Cement Industries
(B) Steel And Ore Processing Industries
(C) Chemical Industries
(D) Thermal Power Stations
Ans – (C) Chemical Industries
14. What Do You Mean By “Obnoxious Gases” ?
(A) Dangerous Gases
(B) Unpleasant Gases
(C) Poisonous Gases
(D) Harmful Gases
Ans – (B) Unpleasant Gases
15. About 1500 Tonnes Of Pollutants Are Thrown Out Into Atmosphere Every Day In
(A) Mumbai
(B) Chennai
(C) Kolkata
(D) Delhi
Ans – (C) Kolkata
16. In Greater Cities The People Are Forced To
Inhale
(A) Toxic Substances
(B) Automobile Exhausts
(C) Smoke
(D) Dust Particles And Smoke
Ans – (A) Toxic Substances
17. Why Are A Number Of Buses Running On The Roads These Days ?
(A) Population Has Risen Up
(B) A Lot Of People Travel From One Place
To Another Every Day
(C) To Meet The Demand Of The Exploding
Population
(D) None Of The Above Into
Ans – (C) To Meet The Demand Of The Exploding Population
18. Automobiles Release Maximum ____ The Atmosphere.
(A) Carbon
(B) Carbon Monoxide
(C) Carbon Dioxide
(D) Chlorofluorocarbon
19. Flower And Vegetable Crops Suffer Ill Effects From ____
(A) Car Exhaust Gases
(B) Industry Exhaust Gases
(C) Power Plant Exhausts
(D) Chemical Industry Exhausts
Ans – (A) Car Exhaust Gases
20. Automobiles Are Responsible ___% Of Air
Pollution In Various Parts Of The World.
(A) 50
(B) 60
(C) 70
(D) 80
Ans – (B) 60 P
21. Air Pollution Causes Harm To ___
(A) Living Beings
(B) Non-living Things
(C) Both Living Beings And Non-living
Things
(D) None Of The Above
Ans – (C) Both Living Beings And Non-living
Things
22. The Pollution From Power Plants Have
Affected ___
(A) Vegetable Crops
(B) Trees
(C) Animals
(D) Buildings
Ans – (B) Trees
23. How Do Rubber Tyres On Automobiles
Damage ?
(A) By Car Exhaust Gases
(B) By Pollution From Power Plants
(C) By Air Pollution
(D) By The Fumes From The Smelters
Ans – (C) By Air Pollution
24. How Are The Fine Buildings Affected By Air Pollution ?
(A) Become Shabby
(B) Walls Blackened Due To Smoke
(C) Roofs Deteriorate
(D) None Of The Above
Ans – (A) Become Shabby
25. Which Gases Trap The Radiation That Reaches The Earth From The Sun ?
(A) Carbon Dioxide And Nitric Oxide
(B) Carbon Dioxide And Methane
(C) Carbon Monoxide And Nitrous Oxide
(D) Carbon Dioxide, Methane And Nitrous
Oxide
Ans – (D) Carbon Dioxide, Methane And Nitrous Oxide
26. What May Destroy The Atmospheric Layer That Protects Us From Harmful Kinds Of Solar
Energy ?
(A) A Substance
(B) The Substance Belongs To A Group Of
Chemicals
(C) The Substance Belongs To A Group Of
Chemicals And Chlorofluorocarbons
(D) Chlorofluorocarbons
Ans – (C) The Substance Belongs To A Group Of Chemicals And Chlorofluorocarbons
27. What Is Chrlofluorocarbon ?
(A) A Refrigerant
(B) A Gas Used In Coolers
(C) A Harmful Gas
(D) Acid Rain
Ans – (A) A Refrigerant
28. Acid Rain Contains ___
(A) Sulphur Oxide And Nitrogen Dioxide
(B) Sulphur Dioxide And Nitrous Oxide
(C) Sulphur And Other Chemicals
(D) Nitrogen And Other Chemicals
Ans – (B) Sulphur Dioxide And Nitrous Oxide
29. Acid Rain Affects ___
(A) Water, Crops And Plants
(B) Crops, Plants And Stone Buildings
(C) Aquatic Plants And Creatures And
Buildings
(D) Plants, Aquatic Creatures, Stone
Buildings And Human Beings
Ans – (D) Plants, Aquatic Creatures, Stone
Buildings And Human Beings
30. 4000 Lakes Have Been So Severely Affected By Acid Rain That No Fish Has Survived In ___
(A) Norway
(B) Sweden
(C) France
(D) Britain
Ans – (B) Sweden
31. The Capital Of Madhya Pradesh Is
(A) Jagadalpur
(B) Bhopal
(C) Patna
(D) Simla
Ans – (B) Bhopal
32. The Industrial Accident In Bhopal Took Place In The Year
(A) 1964
(B) 1974
(C) 1984
(D) 1994
Ans – (C) 1984
33. The Chemical Plant At Bhopal Was Operated By ___
(A) Samsung Digital
(B) Union Carbide
(C) Onida Carbide
(D) Maruti Carbide
Ans – (B) Union Carbide
34. How Many People In Bhopal Were Killed
Due To The Industrial Accident ?
(A) 2000
(B) 3000
(C) 4000
(D) 5000
Ans – (C) 4000
35. Man Can’t Live Without ____ For A Minute.
(A) Eating
(B) Drinking
(C) Breathing
(D) Bathing
Ans – (C) Breathing
36. Everyday A Large Amount Of Pollutants Enter Our Body Through
(A) Respiration
(B) Consumption
(C) Operation
(D) Legislation
Ans – (A) Respiration
Class 10 Question Answer
37. Air which is a mixture of several gases
consists of ___ percent nitrogen.
(A) 28
(B) 78
(C) 88
(D) 98
Ans – (B) 78
38. When ___ level is reduced in the air, irritating gases enter the atmosphere.
(A) Oxygen
(B) Nitrogen
(C) Argon
(D) Carbon monoxide
Ans – (A) Oxygen
39. If we respire polluted air, it leads us to
(A) mental disorder
(B) respiratory illness
(C) cardiac disorder
(D) optical disorder
Ans – (B) respiratory illness
40. Most of the industries ___ dense smoke
from their chimneys.
(A) sew
(C) flew
(B) spew
(D) exhaust
Ans – (B) spew
41. Fine buildings become shabby and their walls are blackened with
(A). smoke
(C) soot
(B) dust
(D) methane
Ans – (C) soot
42. Acid rains leach away nutrients of the soil
from
(A) the upper layer
(B) middle layer
(C) higher layer
(D) lower layer
Ans – (A) the upper layer
43. Where did one of the most tragic industrial accidents take place on 3 December 1984 ?
(A) Kolkata
(B) Bhopal
(C) Bangalore
(D) Talcher
Ans – (B) Bhopal
44. A man can live without water for ___
(A) one or two days
(B) two days
(C) two or three days
(D) three days
Ans – (C) two or three days
45. A man can live without food for
(A) a week
(B) a fortnight
(C) a month
(D) two months
Ans – (C) a month
46. The food consumption of an average adult
is about ____
(A) 1.5 kg
(B) 2.5 kg
(C) 3.5 kg
(D) 4.5 kg
Ans – (A) 1.5 kg
47. An average adult needs about ___
(A) 1.5 kg of water
(B) 2.5 kg of water
(C) 10 kg of water
(D) 15 kg of water
Ans – (B) 2.5 kg of water
48. Which is the major constituent of air?
(A) oxygen
(B) nitrogen
(C) argon
(D) cabon-dioxide
Ans – (B) nitrogen
49. Our air is being poisoned with the ___ of
an expanding technological society.
(A) smoke
(B) dust
(C) ash
(D) by-products
Ans – (D) by-products
50. When did the most tragic industrial accident at Bhopal occur?
(A) 03 November 1984
(B) 03 December 1984.
(C) 03 January 1984
(D) 03 December 1994
Ans – (B) 03 December 1984
51. Coal, coke and furnace oil are called…
(A) fuel
(C) fire
(B) fodder
(D) ore
Ans – (A) fuel
52. We respire the air containing obnoxious gases and without our knowledge our lungs
become
(A) grabage carrier
(B) garbage dumps
(C) power stations
(D) soray cans.
Ans – (B) garbage dumps
53. Which industries are rated the first among industries that discharge high amount of smoke and ash into the air?
(A) cement, steel and ore processing industries
(B) herbal medicine industries
(C) automobile industries
(D) telecommunication industries
Ans – (A) cement, steel and ore processing industries
54. Chemical industries release ___ and smoke into the air.
(A) acidic fumes
(B) toxic fumes
(C) polluted dust
(D) harmful ash
Ans – (B) toxic fumes
55. A person who lives in Kolkata inhales toxic
substances equivalent to
(A) three packets of cigarettes
(B) two packets of cigarettes
(C) two cups of toxic acid
(D) three bottles of alcohol
Ans – (B) two packets of cigarettes
56. Lorries and goods carries are called ___
vehicles.
(A) harmless
(B) light
(C) heavy
(D) invalid
Ans – (C) heavy
57. Automobiles contribute ___ percent of air
pollution
(A) 40%
(B) 50%
(C) 60%
(D) 70%
Ans – (C) 60%
58. If the trend of automobile exhausts continues, we have to wear ___ filters in future
(A) ear cover
(B) nasal filters
(C) sun glasses
(D) mouth covers
Ans – (B) nasal filters
59. Pollutants may be carried by ____ from one countries to another
(A) the water
(B) the wind
(C) the animals
(D) the birds
Ans – (B) the wind
60. Which programme has brought improvements in air?
(A) water purification
(B) soil conservation
(C) deforestation
(D) air quality
Ans – (D) air quality
61. Contaminated food’ means
(A) stale food
(B) impure food
(C) poisonous food
(D) rotten food
Ans – (B) impure food
62. The amount of argon in the dry air is ___
(A) one per cent
(B) more than one per cent
(C) less than one per cent
(D) none of the above
Ans – (C) less than one per cent
63. When is the air said to be polluted?
(A) if the composition of air is altered
(B) if any irritating gas enters the
atmosphere
(C) if the composition of air is altered or irritating gases enter the atmosphere
(D) none of the above
Ans – (C) if the composition of air is altered or irritating gases enter the atmosphere
64. What harm can inhalation of polluted air
do ?
(A) breathing problems
(B) respiratory disorders
(C) difficulty in respiration
(D) none of the above
Ans – (B) respiratory disorders
65. Now-a-days a number of industries are seen in
(A) cities
(B) urban areas
(C) rural areas
(D) rural and urban areas
Ans – (D) rural and urban areas