A water body has low DO content. An organism that is likely to flourish here will be:
1. Gonyaulax, an annelid
2. Gonyaulax, a nematode
3. Tubifex, an annelid
4. Tubifex, a nematode
A painful bone condition is produced when the drinking water is contaminated with:
1. Lead
2. Mercury
3. Cadmium
4. Arsenic
The intensity of noise beyond which physical discomfort is:
1. 70 dB
2. 80 dB
3. 100 dB
4. 120 dB
Awaaz Foundation is an Indian NGO working to especially control:
1. amniocentesis assisted female feticides
2. effects of pollution of our heritage monuments
3. noise pollution
4. emission of radioactively active gases
Identify the incorrectly matched pair:
1. |
International Day of Forests |
March 21 |
2. |
World Water Day |
March 22 |
3. |
Earth Day |
May 22 |
4. |
World Environment Day |
June 5 |
Identify the incorrectly matched pair:
1. |
World No Tobacco Day |
May 31 |
2. |
World Ocean Day |
June 8 |
3. |
International Day for the Preservation of the Ozone Layer |
December 16 |
4. |
International Day for Preventing the Exploitation of the Environment in War and Armed Conflict |
November 6 |
“Greenpeace” is a non-governmental environmental organization with headquarters in:
1. Geneva, Switzerland
2. Paris, France
3. Amsterdam, Netherlands
4. Nuuk, Greenland
Assertion: In the past 30-40 years global average land temperatures have increased about twice as fast as global average ocean temperatures.
Reason: Oceans have a large heat capacity and lose more heat by evaporation.
1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but the reason is not the correct explanation of the assertion.
3. Assertion is true but reason is false.
4. Both assertion and reason are false
Assertion: Temperatures have increased about twice as fast in the Arctic as in the mid-latitudes, a phenomenon known as “Arctic amplification.”
Reason: The loss of sea ice is one of the most important reasons for this.
1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but the reason is not the correct explanation of the assertion.
3. Assertion is true but reason is false.
4. Both assertion and reason are false
Photochemical smog is formed in traffic congested cities where the conditions are:
1. cool and intense solar radiation
2. cool and less solar radiation
3. warm and intense solar radiation
4. warm and less solar radiation