Environmental Science - Study Mode
[#321] The combustion of waste in the absence of Oxygen is called
Correct Answer
(B) Pyrolysis
Explanation
Solution: The combustion of waste in the absence of Oxygen is called Pyrolysis.
[#322] Freshwater protozoans react to a/an __________ environment by removing water through _______
Correct Answer
(D) hypotonic, a contractile vacuole
Explanation
Solution: Freshwater protozoans react to a/an hypotonic environment by removing water through a contractile vacuole.
[#323] Which of the following is the poorest conductor of heat?
Correct Answer
(A) Still air
Explanation
Solution: Still air is the poorest conductor of heat.
[#324] Habitat loss and fragmentation, over exploitation, alien species invasion and co extinction are causes for
Correct Answer
Population exploitation
Explanation
Solution: Biodiversity loss leads to the extinction of species. Factors such as habitat loss and fragmentation, over-exploitation, alien species invasion and co-extinction are causes for such losses. When there are no more individuals of a species (plant or animal) alive anywhere in the world, the species is said to be extinct.
[#325] Drinking of fluoride containing water results :
Correct Answer
(A) fluorosis
Explanation
Solution: Drinking of fluoride containing water results to fluorosis.