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Quiz 15
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Q.1
Unleaded petrol contains __________ which are known as carcinogenic compounds
nitrates
sulphates
benzene
phosphates
Q.2
The algal booin often releases __________ in water
acidic
toxins
bacteria
virus
Q.3
The first protected area in India is ____________
Silent valley
Corbett National Park
Bandipur sanctuary
Nagar-Hole
Q.4
The deepest radiation inversion would be observed:
At the equator any day of the year
In polar regions in winter
At the top of a high mountain in winter
On a desert in winter
In a deep valley during the summer
Q.5
Where are the days and nights of equal length all year long?
At 66.5
o
Nowhere
At 23.5
o
At the Equator
Q.6
The abiotic and biotic components constitute the structure of an
energy flow
environment
atmosphere
Ecosystem
Q.7
During the winter solstice in the Northern Hemisphere:
Astronomical winter begins in the Northern Hemisphere
The noon sun is overhead at 23.5o S latitude
At middle latitudes in the Northern Hemisphere, this marks the longest night of the year
All of the above
Q.8
The largest annual ranges of temperatures are found:
At polar latitudes over land
At polar latitudes over water
At middle latitudes near large bodies of water
At the Equator
In the Northern Central Plains of the United States
Q.9
All species on earth together with their environments collectively comprise
lithosphere
hydrosphere
atmosphere
biosphere
Q.10
Night time temperatures rarely drop below the dew point temperature because
The dew will absorb all the heat
Saturation vapor pressures always increase at night
At saturation, latent heat of condensation is released into the air
Both (b) and (c)
Q.11
Melanornia (skin cancer) is associated with
ozone accumulation
ozone depletion
acid rain
allergens
Q.12
The time of day when the relative humidity reaches a maximum value is usually
At the time when the air temperature is highest
In the middle of the afternoon
At the time when the air temperature is lowest
Just before sunrise
About midnight
Q.13
Cement factory labourers are prone to
leukemia
bone marrow disease
asbestosis
cytosilicosis
Q.14
The practical problem in hydrogen production is its
weight
valency
atomicity
chemical property
Q.15
The true statement about "green house effect" is that it is
caused by combination of many gases
caused by CO
2
caused only by CO
2
, CFC, CH
4
and NO
2
gases
None of these
Q.16
Particulate pollutants are
are small solid particles and liquid droplets
liquid droplets in atmosphere
are small solid particles released into the atmosphere
all of these
Q.17
An example of an abiotic component
Plants
Soil
Animals
Bacteria
Q.18
In middle latitudes, which cloud will have the lowest base?
Cirrostratus
Stratocumulus
Altocumulus
Cirrus
Q.19
In India, tropical evergreen forests occur in
Himachal Pradesh
Madhya Pradesh
Assam
Tamil Nadu
Q.20
The state which constituted green bench
Kerala
Tamilnadu
Assam
Madhya Pradesh
Q.21
In the northern hemisphere, the number of hours of daylight begin to shorten after the
Spring equinox
Summer solstice
Autumn equinox
Winter solstice
Q.22
Which of the following gases has role an important in maintaining atmospheric temperature?
Nitrogen
Oxygen
Argon
Carbon dioxide
Q.23
Pollutants that are introduced into the environment by human activity are called as
qualitative pollutants
quantitative pollutants
anthropogenic pollutants
all of these
Q.24
When clouds are viewed near the horizon, the individual cloud elements usually:
Appear closer together than is actually the case
Appear farther apart than is actually the case
Appear lighter in color than is actually the case
Appear to have more vertical development than is actually the case
Q.25
Acid deposition causes
the greenhouse effect to lessen
lakes and forests to die
acid indigestion in humans
all the above are correct
Q.26
The atmospheric greenhouse effect is produced mainly by the:
Absorption and re-emission of visible light by the atmosphere
Absorption and re-emission of ultraviolet radiation by the atmosphere
Absorption and re-emission of infrared radiation by the atmosphere
Absorption and re-emission of visible light by clouds
Absorption and re-emission of visible light by the ground
Q.27
Which association below is not correct?
Cumulus congestus - anvil top
Cumulus - fair weather cumulus
Altocumulus castellanus - resemble "little castles"
Stratus fractus - scud
Cumulonimbus - thunderstorm clouds
Q.28
Pencillium does not swallow the growth of bacterium Staphylococcus. This sort of relationship is called
commensalism
predation
amensalism
mutualism
Q.29
The temperature at which water boils depends mainly on:
Air temperature
Relative humidity
Air pressure
Air density
The specific heat of air
Q.30
Fog that most often forms as warm rain falls into a cold layer of surface air is called:
Radiation fog
Evaporation (mixing) fog
Advection fog
Upslope fog
Q.31
The one-horned Rhinoceros is now restricted to which state?
Maharashtra
Gujarat
Assam
Uttar Pradesh
Q.32
Harmful trace metals in fly ash:
antimony
cadmium
arsenic
all of the above
Q.33
Which sea is referred to as an oceanic desert?
Red Sea
Sargasso Sea
Arabian Sea
Sea of Japan
Q.34
Animals that feed only on plants are called
detritivores
herbivores
carnivores
omnivores
Q.35
The blueness of the sky is mainly due to:
The scattering of sunlight by air molecules
The presence of water vapor
Absorption of blue light by the air
Emission of blue light by the atmosphere
Q.36
The wind direction is:
The direction from which the wind is blowing
The direction to which the wind is blowing
Always directly from high toward low pressure
Always directly from low toward high pressure
Q.37
The Salim Ali Bird sanctuary is located at
Pondicherry,
Thattekad,
Anakkatti
Kalakkad
Q.38
In a temperature inversion:
Air temperature increases with increasing height
Air temperature decreases with increasing height
Air temperature remains constant with increasing height
It is warmer at night than during the day
Q.39
A term biotype means
all individuals having same phenotype
all individuals having same genotype
all individual with different phenotype
all individuals with different genotype
Q.40
Fine organic or inorganic particles suspended in air is called
particulate pollutant
gaseous pollutant
aerosol
none of these
Q.41
CFCs are used as
refrigerants
insulators
aerosol propellants
all the above
Q.42
What is symbiosis?
Study of distribution of related species
Association between members of same species
Association between members of two species
None
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:
Conduction of heat through the interior of the earth
Concentration of earth's magnetic field lines at the poles
Circulation of heat by the atmosphere and oceans
The insulating properties of snow
Release of latent heat to the atmosphere when polar ice melts
Q.44
Water vapour is:
A gas
A cloud droplet
A rain drop
A snowflake
Q.45
The term Ecosystem was coined by
Odum
Clements
Arthur G Tansley
Elton
Q.46
_________ ecosystems are maintained artificially by man.
Man-made
Marine
Artificial
Brackish
Q.47
Global warming is caused by
GHGs
CFCs
CH
4
NO
2
Q.48
At night, low clouds:
Enhance the atmospheric greenhouse effect
Weaken the atmospheric greenhouse effect
Are often caused by the atmospheric greenhouse effect
Have no effect on the atmospheric greenhouse effect
Q.49
_________ element had guided the earlier navigators to keep them on right path.
Magnetite
Carbon
Coal
Uranium
Q.50
The temperature scale that sets freezing of pure water at 32
o
F:
Kelvin
Fahrenheit
Celsius
British
0 h : 0 m : 1 s
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