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1. Ecology (read below)
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Below are some of the most important questions on "Ecology ". All questions are most likely to be asked in.
SSC, SSC CGL, SSC CHSL, UPSC, IBPS, UPPSC, RRB, RRB NTPC, RRB Group D, JKSSB, JKPSC.
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Q: Who is known as
Father of biodiversity?
- George
Whittaker
- Ernest Haeckel
- Edward Wilson
- Hayward Alien
Q: In India, tropical evergreen forests occur in
- Tamil Nadu
- Himachal
Pradesh
- Assam
- Madhya
Pradesh
Q: Montreal Protocol is
associated ___-?
-
Bio-Genetic substances
- Ozone Depletion
- Reduction
in water resources
- None of
the above
Q: Detritus food chain
starts from
-
Zooplanktons
- Dead organic
matter
- None of
these
- Green
plants
Q: What Causes Heavy
metal pollution of water?
- Domestic Sewage
- Acid
Plants
- Paints
- Wood
Burning
Q: Which forests have
maximum diversity?
- Deciduous
forest
- Sub
tropical rainforests
- Tropical
forests
- Coniferous
forest
Q: Which is the
Biodiversity Hot-spot in India?
- Western Ghats
- Eastern
Ghats
-
Indo-Gangetic plains
- Sunderbans
Q: The pyramid of
number in parasitic food chain is___
- Inverted
- Inverted
upright
- Linear
- Upright
Q: What is the amount energy trapped by plants from sun:
- 17% - 20%
- 12% - 15%
- 1% - 3%
- 23% - 26%
Q: Which of the
following ecological pyramid is always upright in all ecosystems?
- Pyramid of
Biomass
- Pyramid of
Energy
- Both a and
b
- Pyramid of
number
Q: How many
Bio-diversity Hot spots r in the India
- 10
- 4
- 2
- 7
Q: What is symbiosis?
- Study of distribution
of related species
-
Association between members of two species
- None
- Association between
members of same species
Q: Measurement of
biodiversity can do by two methods Via Species richness n Species evenness.
Which method measures Proportion of species at a given site?
- Gamma
diversity
- Beta
diversity
- Species
richness
- Species evenness
Q: ___ is an example of
Terrestrial Biome
- Tropical rain
forests
- Streams
- Rivers
- All
Q: Who are Primary consumers
in the detritus food Chain
- Insect Larva,
nematodes
-
Herbivorous
- Bacteria and
fungi
Q: Study of life forms
and association between life forms (living to living relationship) is called
- Ecology
-
Biodiversity
- Biology
- Ecosystem
Q: Which of the
following cycle is concerned with energy flow in the ecosystem?
- Oxygen
cycle
- Nitrogen
cycle
- Food cycle
- All of
these
Q: Virtually tree less, sparse vegetation can
be seen in -
- Tundra
- Alpine
- Chaparral
- Taiga
Q: To which state is one-horned Rhinoceros restricted?
- Uttar
Pradesh
- Assam
- Tripura
-
Maharashtra
Q: ____ is the primary gas which causing greenhouse
effect?
- Chlorofluorocarbons
- Argon
- Carbon
dioxide
- Methane
Q: The main component
of Biogas and Natural gas is ____?
- Propane
- Butane
- Ethane
- Methane
Q: Which among is the
secondary consumer?
- Both a and
b
- Green
plants
- Herbivore
- Carnivores
Q: Who proposed the
concept of ecological pyramids?
- Elton
- Morbis
- Benneth
- Ratzel
Q: ____forests is known
as ‘the lungs of the planet Earth’?
- Amazon Rain
Forest
- Taiga
Forest
- Mangrove
Forest
- Tundra
Forest
Q: What percentage of the World's surface is
desert?
- 50%
- 20%
- 60%
- 33%
Q: The pyramid of
number in parasitic food chain is___
- Inverted
- Upright
- Inverted
upright
- Linear
Q: When combined weight of producers is smaller
than combined weight of consumers it's referred as the Upright Pyramid of
Biomass.
- B. False
- A. True
Q. Lightest wood that
is only found in South America is :
- A. Terra
Roxa
- B. Balsa
- D.
Fezendas
- C. Alfa
Alfa
Q: Where is the India’s
first Bio-sphere Reserve established:
- Nilgiri
- Hazaribagh
- Kanha
- Nanda Devi
Q: Which among a biotic
interaction in which one organisms is benefited & second is harmed"
- Predation
- Mutualism
- Amensilism
-
Competition
Q: Indian forests has
been classified by "Champion n Seth (1968) in to how many types
- 11
- 13
- 16
- 21
Q: Pyramid of Biomass is based on_____
- Total
amount of living material
- All
- The total
dry weight
- Calorific
value
Q: The large region
characterised by certain forms of life is:
- B.
Ecosphere
- C. Biome
- A.
Ecosystem
- D.
Community
Q: The shape of the
Atlantic Ocean is____?
- 'S' shaped
- None of
these
- Almost
Circular
- Almost
Triangular
Q: Sun loving plants
are?
- Sciophytes
- Halophytes
-
Heliophytes
- Autotrophs
Q: Primary producer of
an ecosystem is
- Both a and
b
- Herbivore
- Carnivore
- Green plants
Q: Inside plant cells photosynthesis
takes place in
- Ribosomes
-
Mitochondria
- Chloroplasts
- Nucleus
Q: The movement of
nutrient elements via various components of the ecosystem is known
- Bio geochemical
cycle
- Biological
cycle
- Bio
geological cycle
- Ecological
succession
Q: Orchid living on the
trees can be considered as?
- Commensalism
- Mutualism
- Parasitic
- Predator
Q: A lake is a type of
I. Lotic
lake II. Marine Lake III. Lentic lake Choose correct option
- Only II
- Only III
- All I II n
III
- Only I
Q: Ore which is very
abundance in India is
- Monazite
- Fluorspar
- Magnetite
- Bauxite
Q: Ecology = oikos
+logos means home Study is a
- None
- Latin word
- Greek word
- Sanskrit
word
Q: Which of the
following is an artificial ecosystem?
- Grassland
- Rich field
- Lake
- Forest
Q: When energy passes
from herbivores to carnivores
- None of
these
- Some of
energy increases
- Remain
same
- Some of energy
decreases
Q: Ozone layer which
absorbs harmful solar UV radiation is found in which layer of the atmosphere?
- B.
Mesosphere
- D.
Ionosphere
- A.
Troposphere
- C. Stratosphere
Q: Which ecosystem is
with highest bio-mass?
- Forest
Ecosystem
- Desert
Ecosystem
- Tundra
Ecosystem
- Fresh
water Ecosystem
Q: An estuary has the following characteristics
I. It’s rich
in nutrients usually support an abundance of fishIIIan area where river join
the sea/ocean
- I, II n III
- Only III
- Only II n
III
- Only I
Q: In biotic
interaction between the living organisms which of the following is the correct
relationship between the organisms in AMENSALISM type of interaction
- One is benefited
another is also benefited
- One is benefited
another one neither harmed nor benefitted
- One is
harmed another is also harmed
- One is harmed
another is neither benefited nor harmed
Q: IUCN categorised major threatened species under:
- Eight classes
- Seven
classes
- Six
classes
- Five
classes
Q: Pick up the correct option form following stat.
I. Primary consumers r
out-numbered producers II. Secondary consumers are the smallest and least power
full III. Primary consumers r mostly dependent on producers
- Only II
- Only I
- Only II n
III
- Only III
Q: The term
Biodiversity Hotspot was coined by
- Norman Myers
- Tansley
- Whittaker
- Edward
Wilson
Q: The forest in
Sunderban is called
- Deciduous
forest
- Mangrove
- Scrub
jungle
- Tundra
Q: Pyramid of biomass
takes into weighed into account instead of individual counted. Biomass is
measured in
- Gm³
- Kg/m³
- G/m²
- Cm³
Q: Putrefying organisms
in a saprotrops are
- Parasitic
organisms
- Reducer
organisms
- Producer
organisms
- Consumer
organisms
Q: Which of the
following is man-made artificial ecosystem?
- Forest
ecosystem
- Agro-ecosystem
- Grassland
ecosystem
- Pond
ecosystem
The concept of
ecological pyramid was given by
- R August
- Reiter
- Hatch and
slacks
- Elton
Q: Fly-ash a well known
pollutant is produced by
- Oil
refinery
- Cement
plant
- Thermal power
plant
- Fertilizer
plant
Q: Example of lotic
biome is
- All
- Lakes
- Rivers
- Ponds
Q: ____ has the most
Corrosive effect?
- Carbon
dioxide
- Air
- Water
- Plants
Q: Red data book has
the data of which among the following?
- All
extinct species
- All plant
species
- All animal
species
- All endangered
species
Q: Which of the
following is aquatic fresh water ecosystem/biome is also known as LACUSTRINE
ECOSYSTEM
I. Lentic
Ecosystem II. Lotic Ecosystem III. Marine Ecosystem
- Only I
- Only I, II
n III
- Only II
- Only I n
III
Q: Which of the
following Ecosystem is of the utmost importance from Human point of view?
- Fuel
powered Ecosystem
- Man
subsidized powered solar Ecosystem
- Unsubsidized
natural solar powered Ecosystem
- Subsidized
natural solar powered Ecosystem
Q: The term
Biodiversity was coined in
- 1995
- 1990
- 1985
- 1968
Q: The primary
Producers in an Ecosystem are
- Men
- Tiger
- Plants
- Bacteria
Q: The Taj Mahal is
built with white marble and is threatened by environment pollution. Threat to
Take Mahal from Mathura refinery is due to the effect of which gas?
- A. Osmium
tetroxide
- D. Oxides
of silicon
- C. Oxides of
sulphur
- B. Mercury
vapours
Q: Primary consumers in
a food chain ar
- All
- Herbivorous
-
Carnivorous
- Green
plants
Q: The succession that
occurs on land in dry area n where moisture is very low called
- Hydraarch
- Mesic
- Mesophyte
- Xerarch
Q: Who are Primary
consumers in detritus food chain
-
Herbivorous
- Bacteria and
fungi
- Insect
Larva, nematodes
- All
Q: Grassland of USA is
referred to as
- Prairie
- Steppes
- Pampas
- Veldts
Q: Putrefying organisms
in a saprotrops
- Producer
organisms
- Reducer
organisms
- Consumer
organisms
- Parasitic
organisms
Q: The cycling elements
in an ecosystem is called
- Chemical cycle
-
Geochemical cycle
- Geological
cycle
- Biogeochemical
cycle
Q: The energy flow
ecosystem is always
- Always
unidirectional
- Always
bidirectional
- In any
direction
-
Multidirectional
Q: ______ is considered
most stable ecosystem
- Ocean
- Forest's
- Mountain
- Desert
Q: The chain in which
micro-organisms break-down food formed by primary producers is?
- Parasitic
food chain
- Detritus food
chain
- Consumer
food chain
- predator
food chain
Q: Pyramid of numbers
in a grassland/tree ecosystem
- Always
inverted
- Always upright
- Both A n B
-
Spindle-shaped
Q: A very big ecosystem having very different
type of vegetation and wild-life is called?
- Ecology
-
Biodiversity
- Biosphere
reserve
- Biome
Q: Net Primary
Productivity (NPP) is Highest for
- Reefs
- Swamps
- Woodland n
shrub land
- Tropical
forests
Q: Plants growing under
direct sunlight are known as
- Heliophytes
- Sciophytes
-
Psamophytes
- Dicots
Q: The Pyramid of
biomass is inverted in _____
- Forest's
- Grasslands
- Ocean
- Dry lands
Q: What is natural
place of an organism/community called?
- Niche
- Biome
- Habit
- Habitat
Q: The ratio between
energy flow in a food chain is called as
- Ecological
capacity
- Ecological
efficiency
- Ecological
assimilation
- Ecological
potential
Q: The concept "Ecological
transition" was first used by
- Elton
- Berkeley
- Ratzel
- Bennett
Q: Which of the types
of ecosystem is a Natural Ecosystem?
- Grassland
(terrestrial)
- Crops
fields
- Aquarium
- None
Q: The upper part of
sea/aquatic ecosystem contains
- Plankton
- Nekton
- Plankton
and nekton
- Benthos
Q: If sun gives
1000joules light energy how much energy of it will producers convert into
chemical energy to carry Lindeman's ten percent law
- 1%
- 10%
- 15%
- 0.1%
Q: It's a winter sleep
in which Animals passes winters period in a dormant state
- Endotherms
- Hibernation
- Aestivation
- Ectotherms
Q: The term
"ecology" was defined by
- AG tansely
- Lindeman
- Haeckel
- Both A n B
Q: MAB stands for with
reference to Ecology/Ecosystem
- Man and
biosphere
- Man,
antibiotics and bacteria
- Man and
biotic community
- All
Q: Ecology can be
divided in to many branches one among it is Auto ecology which deals with
- Ecology of
species
- Ecology of
many species
- Ecology of
community
- All
Q: Ecology deals with
the study of
- Living
beings
- Living and
non-living components
- Reciprocal
relationship between living and non-living components
-
Environment
Q: Name the organisms
that manufacture organic compounds from simple inorganic compounds without
using sunlight?
- Detrivores
-
Organotrophs
-
Phototrophs
- Chemotrophs