“Greenpeace” is a non-governmental environmental organization with headquarters in:
1. Geneva, Switzerland
2. Paris, France
3. Amsterdam, Netherlands
4. Nuuk, Greenland
Identify the incorrectly matched pair:
1. |
Ozone depletion |
DNA damage |
2. |
Greenhouse effect |
Increased atmospheric carbon dioxide |
3. |
Acid rain |
pH < 5 |
4. |
Eutrophication |
Decreased primary productivity |
The radiatively active gas with the maximum percent increase in the atmosphere since 1750 AD is:
1. | Carbon dioxide | 2. | Methane |
3. | Nitrous oxide | 4. | Chlorofluorocarbons |
Non-biodegradable pollutants are created by:
1. Nature
2. Excessive use of resources
3. Humans
4. Natural disasters
According to Central Pollution Control Board, the diameter of particles that are responsible for causing great harm to human health is:
1. 2.5 micrometer
2. 5.0 micrometer
3. 10.0 micrometer
4. 7.5 micrometer
The material generally used for soundproofing rooms like a recording studio or an auditorium is:
1. | Cotton | 2. | Coir |
3. | Wood | 4. | Styrofoam |
Compressed Natural Gas (CNG) is:
1. | Propane | 2. | Methane |
3. | Ethane | 4. | Butane |
The world’s most problematic aquatic weed is:
1. | Azolla | 2. | Wolffia |
3. | Eichhornia | 4. | Trapa |
Which of the following exhibits biomagnifications?
1. | SO2 | 2. | Mercury |
3. | DDT | 4. | Both 2 & 3 |
The expanded form of DDT is:
1. Dichloro diphenyl trichloroethane
2. Dichloro diethyl trichloroethane
3. Dichloro dipyridyl trichloroethane
4. Dichloro diphenyl tetrachloroacetate