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

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• 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

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• 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 calledA. 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 oxygen-demanding 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!