Ozone filters ultraviolet radiations from the sun in the upper:
Correct answer: B. Atmosphere
- A. Biosphere
- B. Atmosphere
- C. Lithosphere
- D. Hydrosphere
Explanation
[A] Biosphere is made up of the parts of earth where life exists[B] Atmosphere is the layer of gases around earth and ozone is present in it to filter uv rays from sun[C] Lithosphere is the solid outer part of earth[D] hydrosphere; total amount of water on a planet
This question appeared on the UHS MDCAT 2010 paper, which you can sit online with every answer explained.
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Pollution covers the sources and effects of air, water, soil, noise and thermal pollutants, including toxicity, biomagnification, eutrophication and global environmental change. Conservation focuses on protecting biodiversity through habitat preservation, sustainable resource use, protected areas, wildlife laws, and in situ and ex situ methods.
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