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Cambridge IGCSE Biology practice

Which of the following best describes the structure of a dichotomous key?

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Show answerConcept and uses of classification systems revisionRevise the key idea

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MCQ

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cambridge_mcq

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Topic

Concept and uses of classification systems

Exam-style question

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Which of the following best describes the structure of a dichotomous key?.

  1. A.A linear sequence of questions
  2. B.A flowchart of decisions
  3. C.A list of organisms
  4. D.A table of characteristics

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Paper 3 structured question: Concept and uses of classification systems

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Description

Dichotomous Key Example

A simple dichotomous key is provided to identify local plants based on leaf shape and flower color.

  1. a

    State the first step in using the dichotomous key provided.

    Aim for approximately 1 distinct marking point.

    [1]