B1 - Understanding Organisms Revision

1. Which of the following characteristics are NOT caused by both inheritance and environment?

  • Having ears without lobes
  • How intelligent a person is
  • A persons body mass
  • How tall a person is (height)
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2. In the process of spreading malaria, the mosquito is the...

  • Pathogen
  • Vector
  • Host
  • Parasite

3. Which of the following is an example of positive phototropism?

  • Plant shoots grow towards light
  • Plant shoots grow away from light
  • Plant roots grow with the pull of gravity
  • Plant roots grow with the pull of gravity

4. What is the final stage in a spinal reflex?

  • Response
  • Effector
  • Receptor
  • Stimulus

5. Why does the body need protein?

  • For growth and repair
  • To prevent constipation
  • To make haemoglobin
  • For energy

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