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Q.1
Bears are usually hunted and killed for their
Teeth
Skin
Gall bladder
Nails
Q.2
All the genes of a population is called
gene pool
genome
gene bunch
gene population
Q.3
Name the endangered animal which is protected in Rajamalai National Park
Chital
Black buck
Nilgiri Tahr
None
Q.4
According to the Stefan-Boltzmann law, the radiative energy emitted by one square meter of an object is equal to a constant multiplied by its temperature raised to the _______ power.
Negative third
Zeroeth
Fourth
Tenth
Q.5
The nation whose government is promoting large families because of an aging population and low fertility rate is
the United States
India
France
China
Q.6
Favorable morphological and physiological response to a change in environment is called
Preadaptation
Ecotyping
Formation of ecophenes
Acclimatisation
Q.7
An ecosystem must have continuous external source of
minerals
energy
food
All of the above
Q.8
In an aquatic ecosystem, the depth to which light penetrates is called
aphotic
photic
euphotic
nonphotic
Q.9
Which tree is known as Coral tree?
Quercus
Dipterocarps
Erythrina
Zizypus
Q.10
Euro II standard refers to _________
Lowering sulfur content in fuel
Increasing sulfur content in fuel
Lowering carbon content in fuel
increasing carbon content in fuel
Q.11
________ is the natural phenomenon, caused by an unlimited and unprecedented rainfall.
Soil erosion
Cyclone
Floods
Heightening
Q.12
Zoos are examples for
In-situ conservation
in-vivo conservation
ex-situ conservation
exvivo conservation
Q.13
_________ is an integration of several subjects that include both science and social studies.
sociology
physiology
environmental studies
anatomy
Q.14
During the winter in the Northern Hemisphere, the "land of the midnight sun" would be found:
At high latitudes
At middle latitudes
Near the equator
In the desert southwest
On the West Coast
Q.15
Viable material of endangered species can be preserved by
Gene bank
Gene library
Gene pool
Herbarium
Q.16
_________ is the first country to have phased out the CFCs and HCFCs which are responsible for the depletion of the ozone layer.
Denmark
Germany
France
Spain
Q.17
The pyramid of biomass is inverted in
forest ecosystem
grassland ecosystem
fresh water ecosystem
tundra
Q.18
Which among the following is related to the word Mesoderm ?
Anatomically advanced animals having all three germ layers
No membrane-bound organelles, no peptidoglycan in cell walls, introns
Forms blood and bone (leads to complex internal organs)
Binomial system of classification
Q.19
Plantation produces around __________ percentage of industrial woods.
twenty
thirty
forty
fifty
Q.20
When number of food chains is interlocked this is called
food link
food chain
food web
pyramid
Q.21
Rain water harvesting is a major method implemented for_____________
Water Conservation
Soil Conservation
Forest conservation
Ecological conservation
Q.22
Algal bloom results in
Global warming
Salination
Eutrophication
Biomagnification
Q.23
The maximum in daytime surface temperature typically occurs _______ the earth receives its most intense solar radiation.
Before
After
Exactly when
Long time
Q.24
The components of LPG are _____________
Methane & Hexane
Propane & Butane
Ethane & Methane
Propane & Ethane
Q.25
Biogas is composed of
methane, carbon dioxide, nitrogen and hydrogen
carbon dioxide, nitrogen and hydrogen
ethane, carbon dioxide, nitrogen and hydrogen
methane, carbon dioxide, nitrogen and sulphur
Q.26
_________ is an important factor that aggravates the effect of drought.
Deforestation
Soil Erosion
Floods
Acid Rain
Q.27
Which statement(s) below is/are correct?
Valleys are more susceptible to radiation fog than hill tops
Without the summer fog along the coast of California, redwoods would not grow well there
Fog can be composed of ice crystals
All of the above are correct
Q.28
The organic matter produced by the photosynthetic activity of green plants is called as
light energy
cellular process
energy flow
primary productivity
Q.29
The head quarter of IUCN is located in
Paris
Switzerland
England
Germany
Q.30
Red sea is an example of a ________ structure.
Folded
lava
Faulted
residual
Q.31
Which of the following is not an indicative biological trait for the trait of ecology?
Fish reproductive strategy
Habitat
Feeding behavior
Fish stream size preference
Q.32
Flag ship species of Choolannur sanctuary
Tiger
Peacock
Elephant
Rhino
Q.33
Chemical reactions triggered by ________ transforms the organic material into hydrocarbons.
solar energy
hydroelectric
elevated temperatures
decomposition
Q.34
The Primary Consumers are also called as
Herbivores
Carnivores
Enzymes
None of these
Q.35
First Biosphere reserve in India
Nilgiri
Agastyamala
Eravikulam
Chinnar
Q.36
Which among the following result in the formation of soil?
Radiation
Weathering
Erosion
Pollution
Q.37
The pyramid of numbers is inverted in the case of
parasitic food chain
Grassland ecosystem
Forest ecosystem
lake ecosystem
Q.38
Burning of coal produces oxides of sulphur and nitrogen which combined with water vapor leads to
acid rain
brackish water
forest fire
soil pollution
Q.39
World's most problematic aquatic weed is
azolla
wolffia
eichornia
trapa
Q.40
_________ energy is the main driving force of the ecological system.
Hydro
Solar
Electric
Mechanical
Q.41
Assuming that the night will remain clear, calm, and unsaturated, the predicted minimum temperature is 32
o
F. Suddenly the wind speed increases and remains gusty throughout the night. The minimum temperature will most likely be:
About the same as predicted but will occur earlier in the night
Higher than predicted due to the release of latent heat
Much lower than predicted due to radiational cooling
Higher than predicted due to mixing
Q.42
Energy flow in ecosystem is
Unidirectional
Bidirectional
Multidirectional
None of the above
Q.43
Water heats up ______ and cools off _____ than land.
More quickly, more quickly
More quickly, more slowly
More slowly, more quickly
More slowly, more slowly
Q.44
The resources that can be replaced by natural ecological cycle is called
Renewable
non-renewable
exhaustible
natural
Q.45
The portion of the earth and its environment which can support life is known as _________
Crust
Biosphere
Exosphere
atmosphere
Q.46
_________ mixed with diesel reduces carbon monoxide emissions up to 50%.
Methanol
Alcohol
Ethanol
Phenol
Q.47
Fungi is/are
single-celled prokaryotes
Phototrophic eukaryotes
Eukaryotes single-celled and primitive multi-celled organisms
heterotrophic eukaryotes
Q.48
Which of the following statements is/are correct?
The largest concentration of condensation nuclei are usually observed near the Earth
Wet haze restricts visibility more than dry haze
Fog is actually a cloud resting on the ground
With the same water vapor content, fog that forms in dirty air is usually thicker than fog that forms in cleaner air
All of these are correct
Q.49
The pioneers in xerach succession is the
crustose lichen
mosses
foliose lichen
shrubs
Q.50
The resources that are derived from bio-mass of living organisms are called ________ resources.
renewable
non-renewable
environmental
natural
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