"The earth's atmosphere is divided into layers based on the vertical profile of ________________.
"
"Radiations are harmful as it__________________.
"
"Pollutants that are introduced into the environment by human activity are called as _____________________.
"
"All species on earth together with their environments collectively comprise _____________.
"
"The first trophic level in a food chain_____________.
"
"Melanornia (skin cancer) is associated with_____________________.
"
"CFCs are used as_______________.
"
"The gas that absorbs most of the harmful ultraviolet radiation in the stratosphere__________________.
"
"Carbon monoxide is a pollutant because it_______________________.
"
"Which are the sources of arsenic pollution?
"
"The phenomenon of accumulation of non-biodegradable pesticides in human beings_________________.
"
"The main energy source for the environment is ___________________.
"
"A large amount of soil can move with the run off called ___________
"
"Which of the following does not include in the monitoring of river pollution?
"
"Coliform bacteria in water is an indication of the presence of__________________.
"
"Which one of the following problem is not created by noise pollution?
"
"The simplest and most common method used in the cities is to collect and dump the waste in a _________________.
"
A good way of dealing with the solid waste problem is______________________.
"Which of the following gas generates when the matter inside the sanitary landfill breaks down?
"
"Allowed noise level by WHO in residential areas is_________________________.
"
"Which of the following bacterium is called as the superbug that could clean up oil spills?
"
"During which stage of wastewater treatment are methanogenic microbes most important?
"
"Which of the following adaptations would it be desirable for a farmer to breed into a crop of wheat?
"
"Which of the following is not a biofuel?
"
"Azolla is used as biofertilizer as it has_______________________.
"
