Q.1
The supersonic jets cause pollution by the thinning of
Q.2
Which of the following is not a green house gas?
Q.3
The gas responsible for the greenhouse effect on Venus is:
Q.4
Man made sources of radiation pollution are:
Q.5
Renewable energy resources are mostly based on
Q.6
Exponential growth occurs when there is
Q.7
Nitrogen gas returns to the atmosphere by the action of
Q.8
The most abundant gases in the earth's atmosphere by volume are:
Q.9
In a volume of air near the earth's surface, ____ occupies 78 percent and ____ nearly 21 percent.
Q.10
In recycling of mineral elements within an ecosystem, the responsible direct acing organism are called
Q.11
The limitating factor in temperate and boreal forest is
Q.12
Eutrophication of water bodies resulting to killing of fishes is mainly due to non-availability of
Q.13
The most important reason for decrease in biodiversity is
Q.14
Producers are otherwise known as
Q.15
Decomposers are otherwise called as
Q.16
Nitrogen fixing blue green algae is
Q.17
Area X represents
Q.18
Macroconsumers include
Q.19
Thermal belts are usually found
Q.20
Scientists are able to determine the air temperature in the thermosphere by:
Q.21
The term "Nuclear winter" is associated with
Q.22
An increase in albedo would be accompanied by ____ in radiative equilibrium temperature.
Q.23
Many wild plant and animals are on the verge of extinction due to
Q.24
Cigarette smoking exposes one to __________
Q.25
Of the gases listed below, which is not believed to be responsible for enhancing the earth's greenhouse effect?
Q.26
Soil erosion can be prevented by
Q.27
____________ is one of the most endangered species of Indian birds
Q.28
The pollution which does not persistent harm to life supporting system is
Q.29
A renewable source of energy is
Q.30
The term "normal" refers to weather data averaged over:
Q.31
At any given time, ______ of the earth is illuminated by the sun.
Q.32
A permeable rock that contains hydrocarbon fluids and gases is called a/an
Q.33
Which of the following group of gases cause photochemical smog?
Q.34
Most harmful environmental pollutants are
Q.35
The destruction of the forest areas by man made efforts is called
Q.36
The thickness of ozone layer is measured in
Q.37
The global temperature has risen by about __________ degree celsius, since the peak of last glacialisation.
Q.38
The total number of major languages in India are
Q.39
_________ is an on-site conservation method.
Q.40
If you want to keep an object cool while exposed to direct sunlight,
Q.41
Man and biosphere programme is affiliated with
Q.42
_________ is a source of all minerals.
Q.43
_________ energy is the energy stored within the earth.
Q.44
The most abundant greenhouse gas in the earth's atmosphere:
Q.45
Frost forms when:
Q.46
Which of the following type of pollution can cause the outbreak of jaundice
Q.47
Thermal belts are:
Q.48
The term "Biocoenosis" was proposed by
Q.49
In the Northern Hemisphere, this day has the fewest hours of daylight:
Q.50
The combined albedo of the earth and the atmosphere is approximately ____ percent.
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