Environment Sustainable Economic Development - Online Test

Q1. Which of the following is the long term result of global warming ?
Answer : Option B
Explaination / Solution:

Some of the long term results of global warming are as follows:

  1. Melting of polar ice with a resulting rise in sea level and coastal flooding.
  2. Extinction of species as ecological niches disappear.
  3. More frequent tropical storms and
  4. An increased incidence of tropical diseases.

Q2. Factor contributing to global warming
Answer : Option D
Explaination / Solution:

Burning of coal and petroleum products are source of gases like carbon dioxide, methane , nitrous oxide and ozone.Presence of all these gases in atmosphere causes global warming.

Q3. A UN Conference on Climate Change, held in _____ in 1997, resulted in an international agreement to fight global warming which called for reductions in emissions of greenhouse gases by industrialised nations
Answer : Option C
Explaination / Solution:
No Explaination.


Q4. Ozone depletion refers to the phenomenon of reductions in the amount of ozone in the
Answer : Option A
Explaination / Solution:
No Explaination.


Q5. The problem of ozone depletion is caused in the stratosphere by high levels of compounds
Answer : Option C
Explaination / Solution:

The problem of ozone depletion is caused by high levels of chlorine and bromine compounds in the stratosphere.The origins of these compounds are chlorofluorocarbons (CFC), used as cooling substances in airconditioners and refrigerators, or as aerosol propellants, and bromofluorocarbons (halons), used in fire extinguishers.

Q6. UV radiation seems responsible for (i) Skin cancer in humans (ii) Lower production of phytoplankton (iii) Influence the growth of terrestrial plants (iv) Decrease in cattle production. Options are
Answer : Option C
Explaination / Solution:
No Explaination.


Q7. Ozone layer prevents most harmful wavelengths of ______ light from passing through the earth’s atmosphere
Answer : Option B
Explaination / Solution:
No Explaination.


Q8. Ozone depleting chemicals such as carbon tetrachloride, trichloroethane (also known as methyl chloroform), and bromine compounds known as
Answer : Option A
Explaination / Solution:
No Explaination.


Q9. The CPCB has identified ____ categories of industries which are significant polluters
Answer : Option D
Explaination / Solution:
No Explaination.


Q10. Example of overuse of environmental resources are
Answer : Option A
Explaination / Solution:
No Explaination.