The example(s) of pesticide is/are-

1. Aldrin

2. Sodium chlorate

3. Dieldrin

4. Both (1) and (3)

The correct statement(s) regarding green chemistry is/are:

The best measure(s) to control water pollution is/are:

Match List-1 with List-II

List-I	List-II
(a). $2{\mathrm{SO}}_2\left(\mathrm{g}\right)+{\mathrm{O}}_2\left(\mathrm{g}\right)\to 2{\mathrm{SO}}_3\left(\mathrm{g}\right)$	(i). Acid rain
(b).  $$	(ii). Smog
(c). ${\mathrm{CaCO}}_3+{\mathrm{H}}_2{\mathrm{SO}}_4\to$ ${\mathrm{CaSO}}_4+{\mathrm{H}}_2\mathrm{O}+{\mathrm{CO}}_2$	(iii). Ozone depletion
(d). ${\mathrm{NO}}_2\left(\mathrm{g}\right)\stackrel{\mathrm{hv}}{\to }\mathrm{NO}\left(\mathrm{g}\right)+\mathrm{O}\left(\mathrm{g}\right)$	(iv). Tropospheric pollution

Choose the correct answer from the options given below:

The major source(s) of soil pollution is/are:

1. Industrial waste.

2. Fertilizers and pesticides.

3. Organic compost.

4. Both (1) are (2)

Biochemical Oxygen Demand (BOD) is-

The major pollutant(s) of water pollution is/are:

1. Pathogens.

2. Organic waste.

3. Chemical components.

4. All of the above.

Consequence(s) of ozone hole is/are:

The reaction(s) involved in ozone layer depletion in the stratosphere is/are:

1.
2.
3.
4.	All of the above

Photochemical smog can be controlled by:

1. The use of catalytic converters in automobiles.

2. Plantation of plants such as Pinus, Juniparur, etc.

3. Both (1) and (2)

4. None of the above