Q.1
Which one of the following is the correct percentage of the two green house gases that contribute to the total global warming?
Q.2
Two objects, A and B, have the same mass but the specific heat of A is larger than B. If both objects absorb equal amounts of energy,
Q.3
Which book written by Rachel Carson resulted in banning DDT in USA?
Q.4
In a photochemical smog, which gas is an eye and mucous membrane irritant?
Q.5
Which of the following determine the kind (wavelength) and amount of radiation that an object emits?
Q.6
UV radiations is injurious to plants because it
Q.7
The first trophic level in a food chain
Q.8
At what time of day is the relative humidity normally at a minimum?
Q.9
The Term Smog was introduced in 1905 by
Q.10
The gas that absorbs most of the harmful ultraviolet radiation in the stratosphere:
Q.11
The areas where soil is washed away into streams, transported into rivers and finally lost to the sea are called
Q.12
The presence of high coliform counts in water indicates
Q.13
_________ is the study that deals with the interaction of organisms with their environment.
Q.14
As the air temperature increases, with no addition of water vapor to the air, the dew point will:
Q.15
In grazer food chain the living plants are directly
Q.16
The study of food chains and food webs is observed in the phenomenon known as
Q.17
The place where the worst nuclear disaster took place?
Q.18
Rising air cools by this process:
Q.19
The Native Place of Redwood trees?
Q.20
Pick out the potent green house gas
Q.21
In the stratosphere, the air temperature normally:
Q.22
Any unfavorable alteration of the environment may be called as
Q.23
Which one of the following is the most stable ecosystem?
Q.24
_________ is the regulatory authority of quality in India.
Q.25
Atmospheric ozone layer which protect us from UV-B and C is getting depleted most by addition of
Q.26
The crack marked on a glacier due to splitting of ice is called
Q.27
As it travels along the food chain, the concentration of DDT
Q.28
What is an Incinerator?
Q.29
Largest reptile in the world
Q.30
As the air temperature increases, with no addition of water vapour to the air, the relative humidity will:
Q.31
During the course of a year, the sun will disappear from view near the North Pole on what date?
Q.32
_______ trees shed their leaves during winter and hot summer.
Q.33
This is used as a guide to planting and for determining the approximate date for harvesting crops:
Q.34
BOD stands for
Q.35
BOD of a river water is found very high. This means water
Q.36
What is meant by ex-situ conservation?
Q.37
The phenomenon of accumulation of non-biodegradable pesticides in human beings
Q.38
Which of the following is not considered a temperature scale?
Q.39
Disease aggravated by air pollution is
Q.40
The outermost zone of a biosphere reserve is
Q.41
Energy resources derived from natural organic materials are called
Q.42
Total amount of living material at the various trophic levels of a food chain is depicted by pyramids of
Q.43
The type of ecosystem with the highest mean plant productivity is
Q.44
Carbon sequestration is a strategy used to control
Q.45
Towering cumulus (cumulus congestus) would refer to which of the clouds sketched below? Environmental Science mcq question image
Q.46
The conversion of ammonia to nitrate is known as ________
Q.47
Air pollution is severe in
Q.48
Sinking air warms by this process:
Q.49
Industrial melanism is an example of
Q.50
Air pollution can be of
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