Environmental Studies (21CIV57) Question bank for CIE-1
Questions
1. Biodiversity is a measure of variation at the ________level.
a) Genetic
b) Species
c) Ecosystem
d) All of the above
2. Terrestrial biodiversity is usually greater near the ________
a) North pole
b) South pole
c) Equator
d) Tropic of cancer
3. The tropical forest ecosystems cover less than 10 percent of earth’s
surface and contain about________ percent of the world’s species.
a) 30
b) 50
c) 70
d) 90
4. The age of earth is about ________ billon years.
a) 3.04
b) 3.54
c) 4.05
d) 4.54
5. Following is usually measured at the species diversity level.
a) Ecological diversity
b) Taxonomic diversity
c) Morphological diversity
d) Functional diversity
6. Diversity of all living things depends on
a) Geography
b) Presence of other species
c) Soils
d) All of the above
7. A biodiversity hotspot
a) Is a region with a high level of endemic species
b) That has experienced great habitat loss
c) Both (a) and (b)
d) None of the above
8. Which of the following is true?
a) Land has more species than
the ocean
b) Ocean has more species than the land
c) Land and ocean has almost equal number of species
d) Not yet known
9. Provisioning services
a) Involve the production of
renewable services
b) Are those that lessen environmental change
c) Represent human value and enjoyment
d) All of the above
10. Provisioning services of
a) Plants increases fodder yield
b) Plants increases overall crop yield
c) Trees increases overall wood production
d) All of the above
11. Which of the following is a disadvantage of renewable energy?
a) High pollution
b) Available only in few places
c) High running cost
d) Unreliable supply
12. A solar cell is an electrical
device that converts the energy of light directly into electricity by the
________
a) Photovoltaic effect
b) Chemical effect
c) Atmospheric effect
d) Physcial effect
13. Which mining causes breathing and chest problems?
a) Open cast mining
b) Deep mining
c) Digging
d) None of these
14. In hydroelectric power, what is necessary for the production of
power throughout the year?
a) Dams filled with water
b) High amount of air
c) High intense sunlight
d) Nuclear power
15.
The main composition of biogas is
________
a) Methane
b) Carbon dioxide
c) Nitrogen
d) Hydrogen
16. Which ministry is mainly responsible for research and development in
renewable energy sources such as wind power, small hydro, biogas and
solar power?
a) Human Resource Development
b) Agriculture and Framers Welfare
c) Ministry of New and Renewable Energy
d) Health and Family Welfare
17. Which among the following have a large amount of installed grid
interactive renewable power capacity in India?
a) Wind power
b) Solar power
c) Biomass power
d) Small Hydro power
18. The world’s first 100% solar powered airport located at ________
a) Cochin, Kerala
b) Bengaluru, Karnataka
c) Chennai, Tamil Nadu
d) Mumbai, Maharashtra
19. Which of the following is not under the Ministry of New and
Renewable Energy?
a) Wind energy
b) Solar energy
c) Tidal energy
d) Large hydro
20. Which is the most dangerous radiation?
a) Alpha radiation
b) Beta radiation
c) Gamma radiation
d) All of the above
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