Environmental Studies Questions and Answers for Competitive Exams | Environmental Studies Quiz Set 27
Questions
1
For untreated municipal wastewater, BOD/COD ratio is in the range
Answer: 0.3 – 0.8
2
The ionic species, O+, O2+ and N2+ are found generally in
Answer: Heterosphere
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3
As part of recently signed international agreement on phasing out synthetic hydrofluorocarbons (HFCs), India will start phasing them out from the year
Answer: 2028
4
In the tropospheric ozone formation reaction sequence, which of the following chemical species does not act as a catalyst ?
Answer: O2
5
Which of the following power plants releases radioactive materials as well as hazardous metals such as lead and arsenic under normal operating conditions ?
Answer: Coal based thermal power plants
6
In term of atmospheric residence times, identify the correct sequence :
Answer: CF4 > NOx > CH4 > CH3Br
7
The surface winds generally blow from the east in the areas over
Answer: Tropical Equator zone
8
Period (epoch) associated with the interference of human beings with nature is termed as
Answer: Anthropocen
10
Choose the correct statement among the following :
Answer: The upper asymptote of the sigmoid curve of a population represents carrying capacity
11
Trophic relationship between an arbitrary number of species can best be explained using
Answer: Generalized Lotka-Volterra equation
12
The length (cm) of six earthworms used in an experiment are 5.37, 5.11, 6.42, 7.26, 3.99 and 2.6. Corresponding weight (g) are 5.88, 6.35, 8.11, 8.36, 4.40 and 3.5 respectively. The relationship between length and weight of the earthworms is
Answer: +vely correlated
14
Mercury is particularly hazardous to the human health because :
Answer: It bioaccumulate high up in the food chain.
15
According to the Public Liability Insurance Act, 1991, the inquiry on an application for relief is conducted by
Answer: Collector
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