Biology: Digestion in Humans and Alimentary Canal
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Questions and Answers

What are the two main components that make up the structure of an ecosystem?

  • Chlorine and bromine atoms
  • Light and air
  • Plants and animals
  • Plants, animals, and humans (correct)

Which type of ecosystem is found exclusively on land?

  • Pondwater ecosystem
  • Desert ecosystem (correct)
  • Oceanic ecosystem
  • Forest ecosystem

What is the main cause of ozone layer depletion?

  • Plants and animals
  • Forest ecosystem
  • Light and air
  • Chlorofluorocarbons (CFCs) (correct)

What are compounds known as that release chlorine and bromine on exposure to high ultraviolet light?

<p>Ozone Depleting Substances (ODS) (B)</p> Signup and view all the answers

Which of the following is NOT a type of terrestrial ecosystem?

<p>Oceanic ecosystem (A)</p> Signup and view all the answers

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