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6. A plant's roots growing towards water molecules is an example of?

  • Positive Phototaxis
  • Positive Hydrotropism
  • Negative Hydrotropism

7. The periheral nervous system is made up of?

  • Brain and spinal cord
  • Sensory nervous system and motor nervous system
  • Central nevous system

8. Sensory neurones carry nerve impulses from receptors towards the central nervous system?

  • True
  • False

9. If blood pressure decreases, what centre is sent a message to increase heart rate?

  • Acceleratory centre
  • Inhibatory centre

10. The changes to heart rate is controlled by what region of the brain?

  • Medulla oblongata
  • Hypothalamus

11. Which of these is a response to an undirected stimulus?

  • Kineses
  • Taxes
  • Tropisms

12. The voluntary nervous system carries nerve impulses to glands, smooth muscle and cardiac muscle?

  • False
  • True