TECHNICAL QUIZ
Environmental Science and
Engineering
1. Which of the following is not a
measure of biodiversity?
(a) Economic diversity
(b) Ecosystem diversity
(c) Genetic diversity
(d) Species diversity
• 2. Which of the following countries has the
highest biodiversity?
a. Brazil, b. South Africa, c. Russia, d.
India
• 3. Which of the following is not a cause for
loss of biodiversity?
a. Destruction of habitat, b. Invasion by
alien species, c. keeping animals in
zoological parks, d. Over-exploitation of
natural resources
• 4. The active chemical drug reserving is
obtained from:
a. Datura, b. Rauwolfia, c. Atropa, d.
Papaver
• 5. Which of the following group of plants
exhibit more species diversity?
a. Angiosperms, b. Algae, c. Bryophytes,
d. Fungi
• 6. Amongst the animal groups given
below, which one has the highest
percentage of endangered species?
a. Insects, b. Mammals, c. Amphibians, d.
Reptiles
•
• 7. Which one of the following is an
endangered plant species of India?
a. Rauwolfia serpentina, b. Santalum
album (Sandal wood)
c. Cycas beddonei, d. All of them
•
• 8. Which of the following are
biodegradable waste products?
• a. rubber, plastic, manure, b. metal, glass,
plastic, c. vegetable peels, garden refuse,
paper, d. glass, wood cuttings, batteries
• 9. The main cause of water pollution is:
• a. untreated sewage, glass bottles and
plastic bags, b. chemical effluent, leaching
of pesticides and algae, c. pesticides,
treated sewage and litter, d. oil spills,
untreated sewage and chemical effluent
• 10. Typhoid, cholera and dysentery are
diseases that are spread by:
• a. air pollution, b. water pollution, c.
land/soil pollution, d. the use of pesticides
• 11. Non-biodegradable means:
• a. A substance that cannot decompose
naturally, b. A substance that is thrown
away as kitchen refuse, c. A substance
that costs too much to recycle, d. A
substance that will not dissolve in water.
• 12. One solution to reduce air pollution
may be…
• a. the use of leaded petrol, b. the burning
of wood and coal, c. the use of public
transport, d. causing wild fires
• 13. One of the following has a positive
human influence on the environment.
• a. Deforestation, b. Overpopulation, c.
Pollution, d. Conservation
• 14.The following are all sources of
pollution:
• i) Solid waste, ii) Pesticides, iii) Sewage,
iv) Fertilisers
• Which of the following combinations
contains sources of soil pollution?
• a. (i), (ii) and (iii), b. (ii), (iii), (iv), c. (i), (ii),
(iii) and (iv),d. (ii) and (iv)
• 15.Which gas of following is found highest
by volume in air?
• a.Nitrogen, b.Oxygen, c.Ozone,
d.Methane
• 16.Incomplete burning of petrol or diesel in
vehicles creates ………. Gas which is very
poisonous
• a. carbondioxide, b. carbon monoxide, c.
methane, d. Ozone
• 17. Combustion of coal in power plant
produces mainly ………..whcih is a major
pollutant of air
• a. SO2, b. NO2, c. CH4, d. CCl4
• 18. Which gas is responsible for depletion
of Ozone layer around earth which
protectsus from harmful ultraviolet rays?
• a.CCl4, b. N2, c.O2, d. NO2
• 19. Which gas is primarily responsible for
Green House effect i.e global warming?
• a. Hydrogen Dioxide, b. CO2, c. CCl4, d.
SO2
• 20. The disease Cholera, Typhoid and
Jaundice are due to pollution of
• a. Water, b. Air, c. Food items, d. All the
above
• 21. Air pollutant is severe in
• a. Cities, b. industrialized area, c. densely
populated area, d. All the above
• 22. Carbon monoxide is a pollutant
because
• a. It reacts with o2, b. It reacts with
Hemoglobin, c. Make nervous system
inactive, d. It inhibits glycol sis
• 23. The supersonic jets cause pollution by
the thinning of
• a. CO2 layer, b.SO2 layer, c.O3 layer, d.O2
layer
• 24. Which of the following is the secondary
pollution?
• a. CO2, b.SO2, c..CO, d. O3
25. Find organic or inorganic particles
suspended in air is called
A. Aerosol, B. Gaseous pollutant, C. Particulate
pollutant, D. None of these
• 26. All the particulate pollutant is
• A. Dust, B. Ozone, c. Smoke, D. Soot
• 27. Do you thing distilled water is good as
drinking water?
• a. Yes, distilled water doesn’t contain
germs; b. Water loses many good
minerals during evaporation, c. Both A and
B are true, d. Yes, contain bacteria’s
• 28.Do you think we can make use of rain
water?
• a. Yes, rain water can be used after
filtration and chlorination, b. No, rain water
cannot be used as it is salty water, c. No,
dirt can't be separated from rain water, d.
No, after filtration also some germs
• 29. Can we drink water from dirty pond
after sedimentation and filtration?
• a. Yes, obviously, b. Yes, filtration would
be enough
• c. No, these processes dones't remove
germs from the water
• d. Yes, they can remove germs from the
water
• 29. Can we drink water from dirty pond
after sedimentation and filtration?
• a. Yes, obviously, b. Yes, filtration would
be enough
• c. No, these processes dones't remove
germs from the water
• d. Yes, they can remove germs from the
water
• 31.The maximum desirable limits (BIS) of
total hardness (as CaCO3) in drinking
water
• a. 600 ppm, b. 300 ppm, c. 1000 ppm, d.
500 ppm
• 32. Conventional tertiary treatment is
• a. Chemical coagulation and flocculation,
b. Filtration, c. Sedimentation
• d. None of these
• 33.The chemical oxygen demand (COD)
measure the .......
• a. Amount of oxygen required for growth of
micro organisms in water
• b. Amount of O2 that would be removed
from the H2O in order to oxidize pollution,
c. Amount of O2 required oxidizing the Ca
present in waste water, d. None of the
above.
• 34.Zeolite softening process removes
• a. Only temporary hardness of water,b.
Only permanent hardness of water, c.
Both temporary and permanent hardness
of water
• d. The dissolved gases in permanent hard
water
• 35.Secondary treatment use ................. to
consume wastes.
• a. Micro – organisms, b. Chemicals, c.
Filtration, d. None of these
• 36.Which of the following chemicals is
sometime added in the process of
coagulation and flocculation
• a. Aluminum oxide, b. Aluminum Sulphate,
c. CaCl2, d. None of these
• 37.Which of the following are
biodegradable waste products
• a. Rubber, Plastics, Manure, b. Metal,
Glass, c. Wood cuttings, Batteries
• d. Vegetables peels, Garden refuse, paper
• 38.The following are all sources of
pollution.
• i) Solid waste ii) Pesticides iii) Sewage iv)
Fertilizers
• Which of the following combinations
contains source of soil pollution
• a. (i), (ii) and (iii), b. (ii), (iii) and (iv), c. (i),
(ii), (iii) and (iv),d. (ii) and (iv)
• 39.Of the following, the most ecologically
responsible way to dispose of sewage
sludge is
• a. incineration, b. dumping into the deep
trenches of the ocean
• c. conventional landfills., d. treating with
heat to kill harmful bacteria, removal of
toxic metals, and using as fertilizer.
• 40. Which of the following substances are
removed to the greatest extent by
combined primary and secondary
wastewater treatment?
• a. organic pesticides, b. organic oxygendemanding wastes, c. toxic metals and
synthetic organic chemicals, d. radioactive
isotopes
• 41. Farmers can reduce pesticide runoff
by
• a. applying pesticides only when needed,
b. using biological methods of pest control,
c. control runoff, d. All of these answers.
• 42. Water pollution from oil can be
prevented by
• a. instituting a national energy policy
based on decreased reliance on fossil
fuels, b. prohibiting oil drilling in
ecologically sensitive areas.
• c. requiring double hulls on oil tankers, d.
All of these answers.
• 43. The leading nonpoint source of water
pollution is
• a. municipal landfills, b. runoff from city
streets and storm sewers.
• c. agriculture, d. industrial wastes.
• 44. Farmers can sharply reduce fertilizer
runoff by
• a. using prescribed amounts of fertilizer, b.
planting nitrogen-fixing plants, c. planting
buffer zones between cultivated fields and
surface water.
• d. All of these answers.
• 45.The majority of the oil pollution of the
ocean comes from
• a. blowouts (rupture of a borehole of an oil
rig in the ocean), b. tanker accidents.
• c. environmental terrorism, d. runoff from
land.
• 46. The effects of an oil spill depend on
the
• a. time of year, b. type of oil (crude or
refined), c. distance of release from shore.
• d.All of these answers
• 47. The most common problem
encountered by seabirds coated with oil is
• a. immediate death, b. vulnerability to
predators, c. loss of buoyancy and
insulation, causing deaths from
exposure,d. poisoning by taking in the oil
internally.
• 48. Most irrigation systems lose about half
of their water to
• a. runoff, b. evaporation, c. seepage, d. b
and c.
• 49. The major types of flora and fauna
found in aquatic ecosystems are
determined primarily by
• a. temperature, b. salinity, c. pH, d. light
• 50.Where is most of the marine
biodiversity found?
• a. deep ocean floor, b. salt flats, c. coral
reefs,d. tide pools
Thank you!