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MHT-CET Ecosystems and Energy Flow — practice questions — page 3

Explore 68 free Ecosystems and Energy Flow questions in MHT-CET Biology. Open each question or exercise to read its content, reference answers and available explanation.

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Ecosystems and Energy Flow questions and exercises with answers

Showing questions 61–68 of 68.

Purification of air and water by forests is an example ofRead the answer and worked solution →Which group lists only biotic components of an ecosystem?Read the answer and worked solution →An ecological pyramid is also called a(n)Read the answer and worked solution →A pyramid of energy is also known as a pyramid ofRead the answer and worked solution →Which unit is typical for a pyramid of energy?Read the answer and worked solution →Of solar energy, how much do photosynthetic processes convert to food?Read the answer and worked solution →A pyramid of biomass shows biomass at a trophic level at a particularRead the answer and worked solution →A pond's biomass pyramid can be inverted because phytoplanktonRead the answer and worked solution →

Worked practice questions

Purification of air and water by forests is an example of

  1. Ecosystem services
  2. Plant succession
  3. Biomagnification
  4. Eutrophication
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Correct answer: A. Ecosystem services

Benefits that ecosystem processes provide to people are called ecosystem services.

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Which group lists only biotic components of an ecosystem?

  1. Air, water, soil
  2. Producers, consumers
  3. Light, heat, wind
  4. Rocks, soil, salts
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Correct answer: B. Producers, consumers

Biotic components are living: producers, consumers and decomposers.

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An ecological pyramid is also called a(n)

  1. Eltonian pyramid
  2. Linnaean pyramid
  3. Darwinian pyramid
  4. Mendelian pyramid
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Correct answer: A. Eltonian pyramid

Charles Elton introduced the trophic pyramid idea, hence the name Eltonian pyramid.

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