A biosphere is composed of 

(1) Living organisms

(2) Living organisms + Lithosphere

(3) Living organisms + lithosphere + atmosphere

(4) Living organisms + lithosphere + atmosphere + Hydrosphere

Petroleum resource is

(1) Renewable

(2) Non-renewable

(3) Synthetic & biodegradable

(4) Infinite & unconventional

The main aim of plant conservation is - 

(1) To conserve the necessary ecological activities and life-supporting systems

(2) To conserve species diversity and range of genetic material

(3) Both the above

(4) None of the above

Environmental Planing organization is

1. CSIR

2. CPHERI

3. ICAR

4. NEERI

Which will not cause any atmospheric pollution

(1) Hydrogen

(2) Sulphur dioxide

(3) Carbon dioxide

(4) Carbon monoxide

The main factor of water pollution is:

1. Smoke

2. Industrial waste

3. Detergent

4. Ammonia

The major contributor to water pollution among the following is- 

1. Sound

2. ${\mathrm{SO}}_2$

3. Salts of arsenic

4. Sewage

Which of the following atmospheric pollutants is not produced by the exhaust of motor vehicle in Delhi

(1) $S{O}_2$

(2) Hydrocarbon gases

(3) Fly ash

(4) CO

Pollution can be controlled by

(1) Sewage treatment

(2) Checking atomic blasts

(3) Manufacturing electrically operated vehicles

(4) All the above

If water pollution continues at its present rate, it will eventually

(1) Stop water cycle

(2) Prevent precipitation

(3) Make oxygen molecules unavailable to water plants

(4) Make nitrate molecules unavailable to water plants