Biology B1

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  • Created by: Curlot
  • Created on: 04-06-14 14:45

1. Why do we need the correct balance of ions?

  • They are vital for many chemical reactions
  • To look after cells
  • For enzymes to work best
  • To provide the body with energy
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Other questions in this quiz

2. What is Phototropism?

  • The way plants respond to light
  • The way plants respond to Gravity
  • A reaction due in inbalance in hormones.
  • Another name for Auxin (a plant hormone)

3. What is the job of the sensory neurone?

  • Carry impulses from one part of the CNS to another.
  • Carry impulses from receptor to CNS
  • Carry signals from the CNS to effectors

4. How do electrical impulses move across a synapse?

  • They are converted into energy and move by diffusion
  • They are converted to chemicals and diffuse
  • They are converted into chemicals and pass through the gap naturally
  • They are converted into energy and move by active transport

5. What is the job of the Motor Neurone?

  • Carry signals from the CNS to effectors
  • Carry impulses from receptor to CNS
  • Carry impulses from one part of the CNS to another.

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