Podcast
Questions and Answers
What percentage of energy is stored when plants receive solar energy according to the 10% rule?
What percentage of energy is stored when plants receive solar energy according to the 10% rule?
- 100%
- 1%
- 90%
- 10% (correct)
Which compound is primarily responsible for releasing chlorine, leading to ozone depletion?
Which compound is primarily responsible for releasing chlorine, leading to ozone depletion?
- Nitrous Oxide
- Chlorofluorocarbons (CFCs) (correct)
- Carbon Dioxide
- Methane
What is the role of ozone in the atmosphere?
What is the role of ozone in the atmosphere?
- It helps in warming the earth.
- It absorbs harmful UV rays. (correct)
- It provides oxygen for respiration.
- It enables photosynthesis.
What is biological magnification, as illustrated by DDT in food chains?
What is biological magnification, as illustrated by DDT in food chains?
Which layer of the atmosphere contains a high concentration of ozone?
Which layer of the atmosphere contains a high concentration of ozone?
Flashcards
10% Rule
10% Rule
Only 10% of energy is transferred to the next trophic level, the rest is lost as heat.
Ozone Layer
Ozone Layer
Part of the atmosphere (10-50 km above Earth) with a high concentration of ozone, blocking harmful UV rays.
Ozone Depletion
Ozone Depletion
Reduction in the ozone layer caused by chemicals like CFCs, exposing Earth to harmful UV rays.
Biological Magnification
Biological Magnification
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Chlorofluorocarbons (CFCs)
Chlorofluorocarbons (CFCs)
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