D:-Volatile organic compounds
Correct Answer:- Option-B
Question29:-The saturation concentration of ‘O_(2)° at sea level is 8.3 mg/L at °C.
A:-0
B:-20
C:-25
D:-30
Correct Answer:- Option-C
Question30:-Which pesticide is linked with Bhopal gas tragedy ?
A:-DDT
B:-Sevin
C:-Aldrin
D:-Deldrin
Correct Answer:- Option-B
Question31:-The most abundant fossil fuel in planet earth is
A:-Peat
B:-Bitumen
C:-Coal
D:-Crude Oil
Correct Answer:- Option-C
Question32:-Which is causing both global warming and ozone depletion ?
A:-Methane
B:-Nitrous oxide
:-Water vapour
D:-Carbon dioxide
Correct Answer:- Option-B
Question33:-Global warming will not result in
A:-Melting of the ice caps
B:-Increasing sea levels
:-Increasing the size of the hole in the ozone layer
D:-Unpredictable climate patterns
Correct Answer:- Option-C
Question34:-CDM technologies are linked to
A:-Climate change
CO_(2)° release by plants
C:-Ozone depletion
D:-Red rains
Correct Answer:- Option-A
Question35:- poisoning is known as plumbism.

D:-Chromium
Correct Answer:- Option-C

Question36:-Which of the following is not a transboundary pollutant ?
A:-PCB

B:-CFC

പോ

0:-॥_(2)`0

Correct Answer:-Question Cancelled
Question37:-Thermocline in a lake is the zone of
A:-Constant temperature
-Rapid temperature change
C:-High temperature
D:-High temperature with neutral pH
Correct Answer:- Option-B

Question38:-Critical species whose extinction cause major changes, may also threaten existence of other species constitute
a

A:-Source population