1. Which of the following facts is incorrect?
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- Global warming is the rise in the average temperature of the earth’s climate system
- Eutrophication is observed in water bodies
- The greenhouse effect is a natural phenomenon
- Ozone is harmless to breathe
2. Areas that are under the influence of DDT may observe a decline in the population of birds. This is due to the fact that
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- Birds stopped laying eggs altogether
- The eggs did not hatch
- Predation of the eggs increased
- None of the above.
3. Measuring BOD (biological oxygen demand) is primarily used for
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- Estimating the types of microbes
- Determine the level of dissolved oxygen
- Estimating the quantity of organic matter in sewage water
- None of the above
4. Cosmic rays, such as gamma rays are a source of
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- Soil Pollution
- Noise Pollution
- Thermal Pollution
- Radiation pollution
5. The primary agenda of the Kyoto protocol isÂ
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- Regulation of hazardous wastes
- Regulate the production of nuclear energy
- Control anthropogenic sources of greenhouse gases
- None of the above
6. The presence of _________ in a water body is an indicator of water pollution.
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- Zygosporangium
- E.Coli
- Deinococcus radiodurans
- None of the above
7. Eggshells of birds become unusually thin when exposed to the pesticides in their environment. The protein that gets affected is ________
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- Calmodulin
- Cysteine
- Serine
- None of the above
8. Lichens are good bioindicators forÂ
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- Environmental radiation
- Soil pollution
- Water and air pollution
- None of the above
9. A moth having a speckled wing, able to blend into its background due to its dark colouration is called
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- Industrial melanism
- Adaptation
- Predation
- Evolution
10. Carbon dioxide is primarily called a greenhouse gas because
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- Traps heat
- Traps light
- Traps warm currents
- None of the above
11. Trichoderma harzianum is a ________ that is predominantly used as a fungicide
-
- Virus
- Fungus
- Bacteria
- Protozoa
12. Greenhouse gases are those that absorb and emit infrared radiation. Examples inlude__________
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- Nitrogen
- Ozone
- Argon
- None of the above
13. Depletion of the ozone layer is damaging to human health. Negative effects include
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- Skin cancers
- Osteoporosis
- Dyspepsia
- None of the above
14. __________ is an organism used to gauge the quality of an ecosystem.Â
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- Decomposers
- Predator
- Bio-remediator
- Bioindicator
15. _________ is a waste disposal method where solid organic wastes are converted to the residue and gaseous products through combustion.
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- Incarnation
- Incineration
- Incarceration
- Incubation
Answer Keys for Environmental Issues MCQs
1- 4 | 2- 2 | 3- 3 | 4- 4 | 5- 3 |
6- 2 | 7- 1 | 8-3 | 9- 1 | 10- 1 |
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very nice question
Great