Taj Mahal

Q.

Why is Nitrous oxide neutral?

Q.

Taj Mahal is one of the Seven Wonders of the world. It is situated on the banks of river Yamuna.________ pollution has damaged the marble of the monument.

1. Air
2. Water
   
3. Noise
4. Soil

Q. The air pollutants released from the Mathura oil refinery have caused damage to the Taj Mahal. The air pollutant responsible for the yellowing of the marble of the Taj Mahal is_________.

1. Soot particles

2. Sulphur dioxide

3. Nitrogen dioxide

4. Radioactive pollutants

Q. Which of the following are the harmful effects of air pollution?

1. Acid Rain
2. Respiratory problems
3. Decreases the quality of air
4. All of the above

Q. Select the correct statements amongst the following
(i) Acid rain does not harm plants.
(ii) Increased amount of chlorofluorocarbons leads to the depletion of ozone layer.
(iii) Combustion is the burning of wood.
(iv) Over-grazing decreases the chances of soil erosion.

1. (i) and (iv)
2. (ii) and (iv)
3. (i) and (iii)
4. (ii) and (iii)