Environmental Science - Study Mode

[#411] The effect of ozone depletion include
Correct Answer

(D) all the above

Explanation

Solution: Ozone layer depletion causes increased UV radiation levels at the Earth's surface, which is damaging to human health. Negative effects include increases in certain types of skin cancers, eye cataracts and immune deficiency disorders.

[#412] The true statement about "green house effect" is that it is
Correct Answer

(C) caused only by CO 2 , CFC, CH 4 and NO 2 gases

Explanation

Solution: The true statement about "green house effect" is that it is caused only by CO2, CFC, CH4 and NO2 gases.

[#413] UV radiations is injurious to plants because it
Correct Answer

(D) causes genetic changes

Explanation

Solution: UV radiations is injurious to plants because it causes genetic changes.

[#414] _________ is the regulatory authority of quality in India.
Correct Answer

(A) CPCB

Explanation

Solution: CPCB is the regulatory authority of quality in India.

[#415] The temperature scale that sets freezing of pure water at 32 o F:
Correct Answer

(B) Fahrenheit

Explanation

Solution: Under this system, the Fahrenheit scale is redefined slightly so that the freezing point of water is exactly 32 °F, and the boiling point is exactly 212 °F or 180 degrees higher.