CO Emission

Q.

On a cold winter night, the persons sleeping in a room with closed door and windows with a coal fire burning inside may die due to the excessive accumulation of :

(a) nitrogen monoxide

(b) nitrogen dioxide

(c) carbon dioxide

(d) carbon monoxide

Q. ____ damage(s) the ozone layer of the atmosphere.

1. Oxides of nitrogen and sulphur
2. Hydrogen gas
3. Chlorofluorocarbons
4. Helium

Q.

Which of the following is not a greenhouse gas?

1. Oxygen

2. Ozone

3. Carbon dioxide

4. Methane

Q.

Which of the following is\are correct with respect to carbon monoxide?

(i) It is released due to incomplete combustion of fuels.

(ii) It does not affect humans.

(iii) It is a poisonous gas.

(iv) It reduces oxygen-carrying capacity of the blood.

(v) It is sometimes released from vehicles.

1. (i), (ii) and (v)

2. (i), (iii), (iv) and (v)

3. (i), (iv) and (v)

4. (ii) and (v)

Q.

Which of the following is\are correct with respect to carbon monoxide?

(i) It is released due to incomplete combustion of fuels.

(ii) It does not affect humans.

(iii) It is a poisonous gas.

(iv) It reduces oxygen-carrying capacity of the blood.

(v) It is sometimes released from vehicles.

1. (i), (iii), (iv) and (v)

2. (i), (ii) and (v)

3. (i), (iv) and (v)

4. (ii) and (v)

Q. Incomplete combustion of methane forms –

1. $CO+O_2$
2. $CO+H_{2}O$
3. $C{O}_2+H_2$
4. $C{O}_2+H_{2}O$

Q. In the presence of CO, the oxygen-carrying capacity of the haemoglobin decreases which may cause:

1. dizziness
2. cardiac and respiratory problems
3. all of above
4. headache

Q. It is known that exposure to carbon monoxide is harmful to animals because:

1. It reduces $C{O}_2$ transport
2. It reduces $O_2$ transport
3. It increases $C{O}_2$ transport
4. It increases $O_2$ transport

Q.

Which of the following is\are correct with respect to carbon monoxide?

(i) It is released due to incomplete combustion of fuels.

(ii) It does not affect humans.

(iii) It is a poisonous gas.

(iv) It reduces oxygen-carrying capacity of the blood.

(v) It is sometimes released from vehicles.

1. (i), (iii), (iv) and (v)

2. (i), (ii) and (v)

3. (i), (iv) and (v)

4. (ii) and (v)

Q. Arrange the following in the decreasing order of greenhouse gas emissions.

1. LNG
2. CNG
3. Coal
4. Diesel
5. Petrol

Q. The Bhopal Gas tragedy was caused by the leakage of
1. Carbon monoxide
2. Methyl isocyanate
3. Nitrogen oxide
4. Sulphur oxide

Q.

Which of the following is\are correct with respect to carbon monoxide?

(i) It is released due to incomplete combustion of fuels.

(ii) It does not affect humans.

(iii) It is a poisonous gas.

(iv) It reduces oxygen-carrying capacity of the blood.

(v) It is sometimes released from vehicles.

1. (ii) and (v)

2. (i), (ii) and (v)

3. (i), (iv) and (v)

4. (i), (iii), (iv) and (v)

Q. Any unfavorable alteration of the environment may be called as .

1. bioaccumulation
2. environmental pollution
3. biomagnification
4. eutrophication