26
'Down to Earth', a fortnightly news magazine was launched by
Answer
B. Anil Agarwal
27
Which of the following is a biodegradable pollutant?
Answer
B. Domestic sewage
28
Cholera and typhoid are caused by
Answer
A. Bacteria
29
Eutrophication is
Answer
C. A result of accumulation of plant nutrient in water body
30
Bhopal Gas Tragedy is a case of
Answer
A. Air pollution
31
Marine pollution is caused due to
Answer
D. All of these
32
Ozone layer absorbs
Answer
C. UV-Radiations
33
The Forest (Conservation) Act was enacted in the year
Answer
C. 1980
34
Noise is
Answer
B. Unwanted sound
35
Demography is the study of
Answer
C. Population growth
36
According to WHO, Health is
Answer
D. All of these
37
Reclamation of saline-alkali soil is done by
Answer
A. Gypsum
38
A legally binding international agreement to reduce green house gas emissions is
Answer
B. Kyoto protocol
39
Biodiesel is obtained from
Answer
D. All of these
40
Chernobyl accident is an example of
Answer
A. Nuclear Reactor Accident
41
Obsolete nuclear weapon is a example of
Answer
A. High level radioactive waste
42
Biopesticides are based on the following ecological principles
Answer
D. All of these
43
Tsunami is a consequence of
Answer
C. Earthquake
44
Still water behind the dam, is an example of
Answer
B. Potential energy
45
BOD values are always less than
Answer
B. COD value
46
Which of the following will be a future fuel of the world?
Answer
D. Ethanol
47
The relationship between the organisms in which one organism benefits while the other not affected is
Answer
A. Commensalism
48
The number of individuals of a species that can survive in that area over time is called
Answer
C. Carrying capacity
49
Mineral resources are
Answer
D. Non renewable
50
Environmental protection is the responsibility of
Answer
D. All of the above
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