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Cambridge IGCSE Combined Science practice

What byproduct do producers release during photosynthesis?

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Show answerFood chains and food webs revisionRevise the key idea

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MCQ

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cambridge_mcq

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Topic

Food chains and food webs

Exam-style question

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What byproduct do producers release during photosynthesis?.

  1. A.Carbon dioxide
  2. B.Glucose
  3. C.Oxygen
  4. D.Nitrogen

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Paper 3 structured question: Food chains and food webs

Paper 3Theory (Core)2 marks

Description

Producers in Ecosystems

Producers are organisms that create their own organic nutrients through photosynthesis, using sunlight as their energy source. They form the base of the food chain, providing energy for consumers.

  1. a

    Explain the importance of producers in an ecosystem.

    Aim for approximately 2 distinct marking points.

    [2]