For untreated municipal wastewater, BOD/COD ratio is in the range
The ionic species, O+, O2+ and N2+ are found generally in
As part of recently signed international agreement on phasing out synthetic hydrofluorocarbons (HFCs), India will start phasing them out from the year
In the tropospheric ozone formation reaction sequence, which of the following chemical species does not act as a catalyst ?
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
In term of atmospheric residence times, identify the correct sequence :
Answer: CF4 > NOx > CH4 > CH3Br
The surface winds generally blow from the east in the areas over
Answer: Tropical Equator zone
Period (epoch) associated with the interference of human beings with nature is termed as
The harmonic mean of the number 5, 10 and 20 is
Choose the correct statement among the following :
Answer: The upper asymptote of the sigmoid curve of a population represents carrying capacity
Trophic relationship between an arbitrary number of species can best be explained using
Answer: Generalized Lotka-Volterra equation
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
The geometric mean of the number 1, 4 and 16 is :
Mercury is particularly hazardous to the human health because :
Answer: It bioaccumulate high up in the food chain.
According to the Public Liability Insurance Act, 1991, the inquiry on an application for relief is conducted by