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ENVIRONMENTAL ISSUES
Question 146 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER] |
Lichens indicate pollution by ..... [B.H.U. 2012]
SO2 | |
NO2 | |
CO | |
O3 |
Question 147 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER] |
Green house effects is due to ..... [C.B.S.E. 2002]
X-rays | |
UV rays | |
Green rays | |
Infrared rays |
Question 148 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER] |
A chemical used in refrigerators and air conditioners and is a source of Cl-..... [Guj .C.E.T. 2007]
Benzene | |
CH4 | |
Benzopyrene | |
Freon |
Question 149 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER] |
UV radiations cause ..... [B.H.U. 2012]
Formation of thymine dimers | |
Addition of base pairs | |
Deletion of base pairs | |
Methylation of bases |
Question 150 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER] |
Drinking mineral water with low levels (~0.02 ppm) of pesticide for long period would ..... [A.I.I.M.S. 2003]
Cause cancer of intestine | |
Pesticide accumulation in the body | |
Cause leukaemia | |
Produce immunity against mosquito |
There are 150 questions to complete.