Question Bank of EST for C Division (CE-4-G)
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1.The word environment is derived from French
word ________
a)
Environner
b)
Environnering
c)
E- Environner
d)
Envo
2.As per Ecomark of our country
is________________
a)
Earthen Pitcher
b)
Water Drop
c)
Sun
d)
Ashoka Tree
3. --------- is a greenhouse gas
a)
CO2
b)
H2S
c)
N2
d)
None of the above
4. WHO stands for
a)
World Hygiene Observation
b)
World Health Oranization
c)
Wild Hazardious Organism
d)
None of the above
5. The main source of water is:
a)
Rivers
b)
Ponds
c)
Rain
d)
Canals
6. The inter-governmental conference on
environmental education in 1977 was held in
a)
Tbillisi(USSR)
b)
Delhi(indi)
c)
Albita
d)
Newyork(USA)
7. Edaphic means_____
_____
a)
Related to water
b)
Related to soil
c)
Related to air
d)
Related to sun
8. Biogas generation is mainly based on the principle
of
a)
Anaerobic degradation
b)
Aerobic decomposition
c)
Putrefaction
d)
None of these
9. Atomic energy is obtained by using ores of
________
a) Copper
b) Uranium
c) Lead
d) Crude oil
10. Which rays are stopped by ozone layer in
stratosphere?
a)
UV Rays
b)
Infrared
c)
X-Rays
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d)
Gamma rays
11. The main greenhouse Gas absorbed by forests as
a raw material for photosynthesis
a)
O2
b)
CO2
c)
SO2
d)
O3
12. The trees are called as Earths _________
a)
Heart
b)
Brain
c)
Lungs
d)
Beli
13. Mineral resources are natural resources_______
a)
True
b)
False
14. The main driving force of ecological ecosystem
is________
a)
Wind energy
b)
Water Energy
c)
Solar Energy
d)
Earth Energy
15. Coal is an example of_________
a)
Renewable resources
b)
Nonrenewable resources
16. CNG stands for_________
a)
Cooling Natural Gas
b)
Compressed Natural Gas
c)
Compund Natural Gas
d)
Critical natural Gas
17. In an ecosystem which one shows one way
passage?
a)
b)
c)
d)
Nitrogen
Carbon
Potassium
Free energy
18. Pick up the correct food chain____
a)
Grass-Chameleon-Insect-Birds
b)
Grass-fox-rabbit-bird
c)
Fallen leaves – bacteria-insect larvae
d)
Phytoplankton-zooplankton-fish
19. In an aquatic ecosystem the tropical level
equivalent to cows in grassland is
a)
Zooplankton
b)
Nekton
c)
Phytoplankton
d)
Benthos
20. The remains of the dead plants and animals is
called
a)
b)
c)
d)
Detritus
Detritivores
Humus
Litter
21.About ______ millions species are found in
tropical forest alone
a)
5
b)
10
c)
7
d)
100
22.Diamond is non metallic minerals
a)
True
b)
False
23. SNG stands for
a)
Synthetic Natural Gas
b)
Systematic natural Gas
2
c)
d)
Sulphuric Natural Gas
Silver Nitrogen Gas
24.Earth Day is on_______
a)
Januarry 22
b)
February 22
c)
March 22
a)
b)
c)
d)
d)
April 22
25. A network of complex interactions formed by the
feeding relationships among the various organisms in
an ecosystem is a ________
Food web
Trophic level
Food chain
community
----------------------------------------------------------------------------------------------26. The word environment day is on ________
a)
June 5
b)
June 11
c)
July 5
d)
Jully 11
27. Earth summit, the conference on the environment
& development held at Rio de Janerio in
a)
1892
b)
1992
c)
2012
d)
2004
28. He is known as ‘Chipko Movement’
a)
Atal Bihari Bajpeyi
b)
Anna Hajare
c)
Sundarlal Bahuguna
d)
Pandit Neharu
29 The term Ecology was introduced by
a)
Haeckel
b)
Newton
c)
S.S.Rao
d)
Tansley
30. The environment which has been modified by
human activity is called
a)
Natural Environment
b)
Modern Environment
c)
d)
Anthropogenic Environment
Semi natural Environment
31. He got the Magsaysay award for the water
conservation effort
a)
Rajendra Singh
b)
Ashok singh
c)
Nana Patekar
d)
Anil Agrawal
32. Abiotic environment does not include____
a)
Soil
b)
Water
c)
Air
d)
Plant
33. Which of the following term best describes the
inter relationship between nitrogen –fixing bacteria
and the clover in whose roots they live?
a)
Mutualism
b)
Commensalism
c)
Amensalism
d)
Parasitism
34. Many individuals of the same species living
together in a defined area from a /an
a) community
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b) genus
c)population
d) ecosystem
35. This biome has the greatest diversity of species:
a)
Taiga
b)
Tropical rain forest
c)
Desert
d)
Temperate grassland
36. Identify the possible link “A” in the following food
chain
PlantInsectFrog”A”Eagle
a)
Cobra
b)
Parrot
c)
Rabbit
d)
Wolf
40. ___________ is the ultimate source of energy for
all life on Earth
a)
Plants
b)
Decomposers
c)
Sunlight
d)
Water
41. A ____________is a step in the food chain
a)
Community
b)
Trophic level
c)
Biosphere
d)
Food Web
42. The natures Cleaners are_________
a)
Producers
b)
Consumers
c)
Decomposers & Scavengers
d)
Symbionts
37. The Final Stable Community in ecological
succession is
a)
Climax
b)
Sere
c)
Pioneers
d)
Carnivores
43. Environmental friendly products are given ISO
certification called ISO____________
a)
12000
b)
13000
c)
14000
d)
15000
38. Transfer of energy in different trophic levels of an
ecosystem is called
a)
Biosystem
b)
Bioenergetics
c)
Geobiocoenosis
d)
Holocoenotic
44. The Nobel peace prize in 2004 for conference on
Environmental conservation was awarded to
a)
Ratan Tata
b)
Wangari Maathai
c)
S.D. Bush
d)
Dr. Manamohan Singh
39. A ________ is an assemblage of different
populations that live together in a defined area
a)
Species
b)
Population
c)
Niche
d)
Community
45. The upper part of sea/aquatic is called
a)
b)
c)
d)
Plankton
Nekton
Benthos
Plankton & Nekton
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46.During carbon cycle, which of the following carbon
compounds would be utilized as an energy source by
heterotrophs?
a)
Calcium carbonates
b)
Carbonic acid
c)
Carbon dioxide
d)
Organic molecules
47.Which of the following is not a gaseous
biogeochemical cycle in an ecosystem?
a)
Nitrogen Cycle
b)
Carbon Cycle
c)
Sulphur Cycle
d)
Phosphorous Cycle
48. SNG stands for
a)
Synthetic Natural Gas
b)
Systematic natural Gas
c)
Sulphuric Natural Gas
d)
Silver Nitrogen Gas
49.Pyramid of _____________is always upright
a)
Energy
b)
Biomass
c)
Forest
d)
Mass
50. A network of complex interactions formed by the
feeding relationships among the various organisms in
an ecosystem is a ________
a)
Food web
b)
Trophic level
c)
Food chain
d)
community
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