Give below are two statements:

Statement I : Thermal pollution, usually effluent from cooling systems of power plants or other industries, alters water temperature in a lake or stream.

Statement II : Humans also cause thermal pollution by altering vegetation cover and run-off patterns.

In the light of the above statements, choose the correct answer from the options given below:

Major contributor to carbon monoxide emissions in metropolitan areas of India is/are:

Major sources of oxygen demanding waste in fresh water systems are

(a) Agricultural run-off

(b) Food processing

(c) Ore mining

(d) Sewage effluent

(e) Landfill sites

Choose the correct option from those given below: -

With increase in temperature, the dissolved oxygen content in a water body will:

In the formation of Surface Ozone, which of the following do play an important role?
(a) Oxides of nitrogen
(b) Oxides of sulphur
(c) Sunlight
(d) Carbon monoxide
Choose the correct answer from the code given below:

The most harmful types of environmental pollutants are:

Recent study showed that, River Ganga will not flow cleaner in the near future. Which of the following reasons is false?

Which of the following methods would be most appropriate in reducing acid rain and acid deposition problems?

Which of the following is not a water-borne disease?

Which of the following isnota common component of photo-chemical smog?

Which of the following is NOT the main objective of Ganga action plan?

Which of the following pollutants causes water pollution ?

Presence of which pathogenic microbe in water is indication of contamination?