Environmental Science - Study Mode
[#511] "Ozone Hole" is a _____________
Correct Answer
(B) Destruction of ozone layer
Explanation
Solution: The ozone hole is not technically a “hole” where no ozone is present, but is actually a region of exceptionally depleted ozone in the stratosphere over the Antarctic that happens at the beginning of Southern Hemisphere spring (August–October).
[#512] The maintenance of relatively constant internal environment is called
Correct Answer
(A) Homeostasis
Explanation
Solution: The tendency to maintain a stable, relatively constant internal environment is called homeostasis.
[#513] The only ape found in India
Correct Answer
(C) Hoolock gibbon
Explanation
Solution: Hoolock Gibbon is the only Ape found in India, a primate species from the gibbon family of Hylobatidae. The Hoolock Gibbons of India are second largest of the gibbons, found only at south of Brahmaputra and east of the Dibang rivers in North East Indian states.
[#514] The indoor pollutant radon which is a radioactive gas causes
Correct Answer
(A) lung cancer
Explanation
Solution: The indoor pollutant radon which is a radioactive gas causes lung cancer.
[#515] Hypothermia is most common in:
Correct Answer
(B) Cold, wet weather
Explanation
Solution: Although hypothermia is most common in patients who are exposed to a cold environment, it can develop secondary to toxin exposure, metabolic derangements, infections, and dysfunction of the central nervous and endocrine systems.