MCQs on EVM(Environment Management) Page 6


1. Today, the world’s number one problem is________.

a. Pollution

b. Nuclear proliferation

c. Population explosion

d. Natural calamities


2. Population explosion has occurred in the last______.

a. 500 years

b. 300 years

c. 700 years

d. 150 years


3. Study of trends in human population growth and prediction of future growth is called_____.

a. Kalography

b. Biography

c. Demograph

d. Psychology


4. One of the critical mechanism by which the environment controls population of species is ________.

a. Spread of disease

b. Supply of food

c. Check on death rate

d. Removal of excreta


5. If the rate of addition of new member’s increases with respect to the individual lost of the same population, then the graph obtained has_______.

a. Declined growth

b. Exponential growth

c. Zero growth

d. None of the above


6. Population pyramids are useful to_____.

a. Express the population growth rates

b. Express the age-sex distribution

c. Indicate the birth rates

d. Indicate the death rates


7. The force which acts against the achievement of the highest possible level of population growth is known as_______.

a. Saturation level

b. Population pressure

c. Carrying capacity

d. Environmental resistance


8. Short-term properties of the atmosphere at a given place and time is referred as_____.

a. Climate

b. Microclimate

c. Season

d. Weather


9. Global atmospheric temperatures are likely to be increased due to______.

a. Burning of fossil fuel

b. Water pollution

c. Soil erosion

d. Acid Rain


10. Global Warming could affect________.

a. Climate

b. Food production

c. Melting of glaciers

d. Climate, Food production, Melting of glaciers


11. Which of the following is not a solution of global warming?

a. Reducing fossil fuel consumption

b. Planting more trees

c. Deforestation

d. None of the above


12. Greenhouse effect is related to_______.

a. Green trees on house

b. Global warming

c. Grasslands

d. Greenery in country


13. Which of the following is not a ‘greenhouse gas’?

a. Oxygen

b. Carbon dioxide

c. Chlorofluorocarbons

d. Methane


14. Which important greenhouse gas other than methane is being provided from the agricultural fields?

a. SO

b. Nitrous oxide

c. Ammonia

d. SO


15. Which of the following gases contributes maximum to the ‘Greenhouse effect on earth?

a. Carbon dioxide

b. Methane

c. Chlorofluorocarbons

d. Freon


16. The greenhouse effect is due to______.

a. Penetrability of low wavelength radiations through O3 layer

b. Impermeability of long wavelength radiations through CO of the atmosphere

c. Penetrability of low wavelength radiations through CO

d. Impermeability of long wavelength radiations through O3 layer


17. The primary cause of acid rain around the world is______.

a. Carbon dioxide

b. Sulphur dioxide

c. Carbon monoxide

d. Ozone


18. Acid rain is caused by increase in the atmospheric concentration of?

a. Ozone and dust

b. SO and NO

c. SO and CO

d. CO and CO


19. The primary air pollutant responsible for acid rains is______.

a. Carbon dioxide

b. Sulphur dioxide

c. Carbon monoxide

d. Ozone


20. International Day for the Preservation of the Ozone Layer_______. 

a. January 03

b. March 26

c. November 10

d. September 16


21. Harmful U.V. radiations emanating from the sun are prevented from reaching the Earth by the presence of ozone in the_______.

a. Mesosphere

b. Thermosphere

c. Stratosphere

d. Troposphere


21. Increasing skin cancer and high mutation rate are the result of________.

a. Ozone depletion

b. Acid rain

c. CO pollution

d. None of the above


22. Ozone layer thickness is measured in________.

a. Millimeter

b. Centimeter

c. Decibels

d. Dobson units


23. The first CFC was synthesized in_______.

a. 1892

b. 1920

c. 1980

d. 1800


24. This may be use as refrigerator_________.

a. CFC

b. Carbon

c. Acids

d. Ozone


25. Chlorofluorocarbon releases a chemical harmful to ozone is________.

a. Chlorine

b. Fluorine

c. Sulphur dioxide

d. Nitrogen peroxide



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