Q.1
Unleaded petrol contains __________ which are known as carcinogenic compounds
Q.2
The algal booin often releases __________ in water
Q.3
The first protected area in India is ____________
Q.4
The deepest radiation inversion would be observed:
Q.5
Where are the days and nights of equal length all year long?
Q.6
The abiotic and biotic components constitute the structure of an
Q.7
During the winter solstice in the Northern Hemisphere:
Q.8
The largest annual ranges of temperatures are found:
Q.9
All species on earth together with their environments collectively comprise
Q.10
Night time temperatures rarely drop below the dew point temperature because
Q.11
Melanornia (skin cancer) is associated with
Q.12
The time of day when the relative humidity reaches a maximum value is usually
Q.13
Cement factory labourers are prone to
Q.14
The practical problem in hydrogen production is its
Q.15
The true statement about "green house effect" is that it is
Q.16
Particulate pollutants are
Q.17
An example of an abiotic component
Q.18
In middle latitudes, which cloud will have the lowest base?
Q.19
In India, tropical evergreen forests occur in
Q.20
The state which constituted green bench
Q.21
In the northern hemisphere, the number of hours of daylight begin to shorten after the
Q.22
Which of the following gases has role an important in maintaining atmospheric temperature?
Q.23
Pollutants that are introduced into the environment by human activity are called as
Q.24
When clouds are viewed near the horizon, the individual cloud elements usually:
Q.25
Acid deposition causes
Q.26
The atmospheric greenhouse effect is produced mainly by the:
Q.27
Which association below is not correct?
Q.28
Pencillium does not swallow the growth of bacterium Staphylococcus. This sort of relationship is called
Q.29
The temperature at which water boils depends mainly on:
Q.30
Fog that most often forms as warm rain falls into a cold layer of surface air is called:
Q.31
The one-horned Rhinoceros is now restricted to which state?
Q.32
Harmful trace metals in fly ash:
Q.33
Which sea is referred to as an oceanic desert?
Q.34
Animals that feed only on plants are called
Q.35
The blueness of the sky is mainly due to:
Q.36
The wind direction is:
Q.37
The Salim Ali Bird sanctuary is located at
Q.38
In a temperature inversion:
Q.39
A term biotype means
Q.40
Fine organic or inorganic particles suspended in air is called
Q.41
CFCs are used as
Q.42
What is symbiosis?
Q.43
Although the polar regions radiate away more heat energy than they receive by insolation in the course of a year, they are prevented from becoming progressively colder each year by the:
Q.44
Water vapour is:
Q.45
The term Ecosystem was coined by
Q.46
_________ ecosystems are maintained artificially by man.
Q.47
Global warming is caused by
Q.48
At night, low clouds:
Q.49
_________ element had guided the earlier navigators to keep them on right path.
Q.50
The temperature scale that sets freezing of pure water at 32o F:
0 h : 0 m : 1 s