Air Pollution MCQ
In this blog , You can test your knowledge here, These 20 MCQ covers various aspects of Air Pollution, focusing on causes, definitions, and contributors to the issue. These MCQ and solution help you to prepare for Academic education , GK paper in SSC, PSC,NDA, CDS, UPSC, UPPSC, CBSE, ICSE and many state level PSC examinations and other competitive examinations.
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Here are 20 multiple choice questions and answers based on the Air Pollution.
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Question 1: Which air pollutant is considered the most serious and widespread
A) CO
B) SO2
C) Nitric Oxide
D) Lead
Explanation: Answer: B) SO2.
Question 2: What is a consequence of lower concentrations of SO2 on human health?
A) Cough and shortness of breath
B) Increased mucus production
C) Brain damage
D) Respiratory infections
Explanation: Answer: B) Increased mucus production.
Question 3: How does Co effect blood?
A) Increases oxygen carrying capacity
B) Decreases oxygen carrying capacity
C) Enhances blood clotting
D) Causes blood vessel dilation
Explanation: Answer: B) Decreases Oxygen carrying capacity.
Question 4: Which air pollutant is reported to cause pulmonary hemorrhage?
A) Carbon monoxide
B) Lead
C) Nitric oxide
D) Radioactive elements
Explanation: Answer: C) Nitric oxide.
Question 5: Lead emitted from automobile exhausts primarily affects?
A) Liver function
B) Kidney function
C) Brain function
D) Heart function
Explanation: Answer: C) Brain function.
Question 6: Which particulate pollutant is capable of exerting a fibrotic local action in the lungs?
A) Asbestos
B) Sulfur dioxide
C) Carbon monoxide
D) Nitrogen oxides
Explanation: Answer: A) Asbestos.
Question 7: Smog primarily consists of?
A) Ozone
B) Carbon dioxide
C) Sulfur dioxide
D) Nitrogen dioxide
Explanation: Answer: A) Ozone.
Question 8: Inhaling Ozone can cause irritation of which of the following organs?
A) Heart
B) Liver
C) Kidneys
D) Eyes, nose, and throat
Explanation: Answer: D) Eyes, nose, and throat.
Question 9: What was the death toll in London due to smog in December 1952?
A) 400
B) 1000
C) 4000
D) 10000
Explanation: Answer: C) 4000.
Question 10: What is the effects of airborne fluorides on plants?
A) Enhance photosynthesis
B) Inhibit photosynthesis
C) Improve respiration
D) Increase plant growth
Explanation: Answer: B) Inhibit photosynthesis.
Question 11: Which Pollutants has caused total destruction of vegetation around smelters?
A) Lead
B) Carbon dioxide
C) Carbon monoxide
D) Sulfur dioxide
Explanation: Answer: D) Sulfur dioxide.
Question 12: Which crops are more sensitive to So2 pollution?
A) Cotton and Wheat
B) Wheat and barely
C) Apricot and peach
D) Apple and barely
Explanation: Answer: A) Cotton and wheat.
Question 13: What effect do fluorides have on leaves of certain plants?
A) Increase water retention
B) Promote flowering
C) Enhance chlorophyll production
D) Cause drying and tissue collapse
Explanation: Answer: D) Cause drying and tissue collapse.
Question 14: Radioactive elements in air pollution are harmful primarily because they?
A) Cause Skin rashes
B) Increase blood pressure
C) Reduce lung capacity
D) Affect DNA and cause mutations
Explanation: Answer: D) Affect DNA and cause mutations.
Question 15: Which pollutants is known to act as an allergenic agent?
A) CO
B) SO2
C) Lead
D) Asbestos
Explanation: Answer: B) SO2.
Question 16: What is the primary effect of nitrogen oxides on lungs?
A) Reduce mucus production
B) Strengthen immune response
C) Aggravate asthma
D) Increase Oxygen absorption
Explanation: Answer: C) Aggravate asthma.
Question 17: Which pollutant is a component of photochemical smog?
A) Lead
B) Nitric oxide
C) Sulfur dioxide
D) Carbon monoxide
Explanation: Answer: B) Nitric oxide.
Question 18: How do particulate pollutants effect lungs?
A) Prevent allergies
B) Cause fibrosis in lung tissue
C) Stimulate growth of lung tissue
D) Improve lung capacity
Explanation: Answer: B) Cause fibrosis in lung tissue.
Question 19: What is the cumulative effect of lead poisoning in children?
A) Lung damage
B) Kidney damage
C) Brain damage
D) Liver damage
Explanation: Answer: C) Brain damage.
Question 20: What is the most harmful effects of smog on human health?
A) Stomach Problems
B) Respiratory issues
C) Skin irritation
D) Eye infections
Explanation: Answer: B) Respiratory issues.
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