Effects of Air Pollutants

Q.

Select the correct option:

Acid rain is formed due to contribution from the following pair of gases:

1. Methane and ozone

2. oxygen and nitrous oxide

3. methane and sulphur dioxide

4. carbon dioxide and sulphur dioxide

Q.

Corrosion of marble monuments and granite statues takes place due to

1. photochemical smog

2. Heavy rains

3. Acid rains

4. CFC_s

Q.

Carbon monoxide, emitted by automobiles, prevents transport of oxygen in the body due to:

1. Destruction of haemoglobin

2. Formation of clots

3. Combining with oxygen to form carbon dioxide

4. Forming stable compound with haemoglobin

Q.

The Taj Mahal is threatened by pollution from

1. O₂

2. Hydrogen

3. SO₂

4. Chlorine

Q. Which of the following on inhalation dissolves in blood haemoglobin more rapidly than oxygen?

1. Sulphur dioxide
2. Ozone
3. Carbon monoxide
4. Nitric oxide

Q.

The major pollutant behind the infamous Bhopal gas tragedy is ___

Q.

What are the health effects of carbon monoxide?

Q.

Why is it not advisable to sleep in an enclosed room with burning firewood?

1. Large amount of toxic NO will be produced which cause sterility.
2. content inside the room will rise tremendously and will cause lung failure.
3. Increased CO levels will cause seizures, heart attack and even death.
4. Precipitates of sulphur will be released in the air.

Q. Fluoride pollution mainly affects
(a) kidney
(b) brain
(c) heart
(d) teeth

Q. Which of the following statements is wrong with regard to the case of Bhopal gas tragedy?

1. Radioactive fallout engulfed Bhopal
2. Thousands of human being died
3. It took place in the night of December 2/3, 1984
4. Methyl isocyanate gas leakage took place

Q. How does carbon monoxide emitted by automobiles prevent the transport of oxygen in body tissues?

1. By forming a stable compound with hemoglobin
2. By changing O₂ into CO₂
3. By destroying the hemoglobin
4. By obstructing the reaction of O₂ with hemoglobin

Q.

The toxic gas that leaked in the Bhopal gas tragedy was

1. Ethyl thiocyanate
2. Potassium isothiocyanate
3. Sodium isothiocyanate
4. Methyl isocyanate

Q.

Why is it necessary to remove sulfur from petroleum products?

1. To increase the lifespan of engine silencers

2. To reduce the emission of sulfur dioxide in the exhaust fumes

3. To increase the efficiency of automobile engines

4. None of the above

Q. Attack of asthama in certain persons may be due to
(a) eating of some seasonal vegetation
(b) inhalation of some air-borne pollen
(c) exposure to cold temperature
(d) low concentration of CO₂ due to increase rate of photosynthesis

Q. Why is it not advisable to sleep in an enclosed room with burning firewood?

1. Precipitates of sulphur will be released in the air.
2. content inside the room will rise tremendously and will cause lung failure.
3. Large amount of toxic NO will be produced which cause sterility.
4. Increased CO levels will cause seizures, heart attack and even death.

Q. Which one of the following statements is wrong in case of Bhopal tragedy?

1. It took place on the night of December $\frac{2}{3}$, 1984
2. Methyl isocyanate gas leakage took place
3. Thousands of human beings died
4. Radioactive fallout engulfed Bhopal

Q. How does carbon monoxide emitted by automobiles prevent the transport of oxygen in body tissues?

1. By forming a stable compound with hemoglobin
2. By obstructing the reaction of O₂ with hemoglobin
3. By changing O₂ into CO₂
4. By destroying the hemoglobin

Q.

Sam lived in an area near an incineration site. He started having breathing problems. Why?

1. Percolation of waste water in the ground

2. Contamination of ground water by leachate

3. Dumping of solid wastes in the ground

4. Toxic smoke released from the burning of wastes

Q. The gas that was released during Bhopal Gas tragedy is _____________.

1. Dinitrogen tetroxide
2. Methyl isocyanate (MIC)
3. Hydrogen selenide
4. Nitrogen trioxide

Q. What is acid rain? Name two air pollutants that cause acid rain.

Q.

Describe the poisonous nature of carbon monoxide

Q.

How does carbon monoxide emitted by automobiles affect the transport of oxygen in body tissues?

1. By changing O₂ into CO₂
2. By destroying the hemoglobin
3. By forming a stable compound with hemoglobin
4. By obstructing the reaction of O₂ with hemoglobin

Q. Asphyxiation can be observed in which of the following cases?

1. High oxygen atmosphere
2. Low oxygen atmosphere
3. Vaccum condition
4. Both B and C

Q. A location with a luxuriant growth of lichens on the trees indicates that the:

1. Trees are very healthy
2. Trees are heavily infested
3. Location is highly polluted
4. Location is not polluted

Q. A location with a luxuriant growth of lichens on the trees indicates that the:

1. Trees are heavily infested
2. Trees are very healthy
3. Location is not polluted
4. Location is highly polluted