Homeostasis GCSE Revision Quiz

58 Questions | Total Attempts: 142

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Homeostasis GCSE Revision Quiz

Revision


Questions and Answers
  • 1. 
    What is a neuron?
    • A. 

      Specialised cell ​​​​​​​

    • B. 

      A nerve

    • C. 

      A hormone

    • D. 

      Found in the centre of the nucleus

  • 2. 
    Select the three types of neurons found in the nervous system
    • A. 

      Sensory neuron

    • B. 

      Active neuron

    • C. 

      Reflex neuron

    • D. 

      Relay neuron

    • E. 

      Motor neuron

  • 3. 
    Which neuron carries signals from the central nervous system (CNS) to the effector?
    • A. 

      Sensory neuron

    • B. 

      Motor neuron

    • C. 

      Process neuron

    • D. 

      Relay neuron

  • 4. 
    Which neuron is essential for a reflex action to occur?
    • A. 

      Sensory neuron

    • B. 

      Process neuron

    • C. 

      Motor neuron

    • D. 

      Relay neuron

  • 5. 
    Which neuron carries signals from the receptors to the central nervous system?
    • A. 

      Relay neurons

    • B. 

      Motor neurons

    • C. 

      Sensory neurons

    • D. 

      Process neurons

  • 6. 
    What are the major organs of the nervous system?
    • A. 

      Heart

    • B. 

      Brain

    • C. 

      Spinal cord

    • D. 

      Lungs

  • 7. 
    What is the name of the microscopic gap where two neurons meet and transmit impulses?
    • A. 

      Transmitter bridge

    • B. 

      Synapse

    • C. 

      Impulse bridge

    • D. 

      Sensor

  • 8. 
    What are the names of the molecules that are released at the gap between the neurons?
    • A. 

      Electrical transmitter molecules

    • B. 

      Chemical neurotransmitter molecules

    • C. 

      Transmitter molecules

    • D. 

      Electrical neurotransmitter molecules

  • 9. 
    Is the transmission of the electrical impulse between neutrons chemical, electrical or neither?
    • A. 

      Electrical

    • B. 

      Chemical

    • C. 

      Hormonal

    • D. 

      None of the above

  • 10. 
    Select three body functions that are reflex actions?
    • A. 

      Breathing

    • B. 

      Coughing

    • C. 

      Laughing

    • D. 

      Child birth

  • 11. 
    What is the name of the pathway in the nervous system that controls a reflex action?
    • A. 

      Relay arc

    • B. 

      Reflex arc

    • C. 

      Replay arc

    • D. 

      Rapid arc

  • 12. 
    The blue line represents which neuron in a reflex action?
    • A. 

      Motor neuron

    • B. 

      Sensory neuron

    • C. 

      Relay neuron

    • D. 

      Process neuron

  • 13. 
    The purple line represents which neuron in a reflex action?
    • A. 

      Reflex neuron

    • B. 

      Sensory neuron

    • C. 

      Motor neuron

    • D. 

      Process neuron

  • 14. 
    The green line represents which neuron in a reflex action?
    • A. 

      Process neuron

    • B. 

      Relay neuron

    • C. 

      Sensory neuron

    • D. 

      Motor neuron

  • 15. 
    What reaction is involuntary and does not need the involvement of the brain?
    • A. 

      Relay action

    • B. 

      Reflex action

    • C. 

      Receptor action

    • D. 

      Rapid action

  • 16. 
    Homeostasis is achieved through the interaction and coordination of which systems. 
    • A. 

      Nervous system

    • B. 

      Endocrine system

    • C. 

      Respiratory system

    • D. 

      Digetive system

  • 17. 
    Select the correct definition of Homeostasis.
    • A. 

       Homeostasis is the maintenance of a constant internal environment outside the body

    • B. 

       Homeostasis is the maintenance of a constant external environment outside the body.

    • C. 

       Homeostasis is the maintenance of a constant internal environment within the body.

    • D. 

      None of the above

  • 18. 
    What is the ideal temperature for enzymes to work in the body?
    • A. 

      34 degrees

    • B. 

      35 degrees

    • C. 

      36 degrees

    • D. 

      37 degrees

  • 19. 
    What are the 3 components that make up all automatic control systems?
    • A. 

      Effectors

    • B. 

      Receptors

    • C. 

      Reflectors

    • D. 

      Coordination centres

    • E. 

      Effectives

  • 20. 
    What triggers a receptor?
    • A. 

      A stimulation

    • B. 

      A stimuli

    • C. 

      A stigma

    • D. 

      Option 4

  • 21. 
    What are muscles and glands ?
    • A. 

      Receptors

    • B. 

      Effectors

    • C. 

      Coordination centre

    • D. 

      Receptives

  • 22. 
    What order does a impulse flow from receptor to an effector?
    • A. 

      Stimulus, receptor, co-ordinator, response, effector

    • B. 

      Receptor, effector, stimulus, co-ordinator, response

    • C. 

      Stimulus, Receptor, co-ordinator, effector, response

    • D. 

      Stimulus, effector, co-ordinator, receptor, response

  • 23. 
    Which order does a reflex action follow?
    • A. 

      Stimulus, receptor, sensory neuron, relay neuron, effector

    • B. 

      Stimulus, receptor, sensory neuron, relay neuron, motor neuron, effector

    • C. 

      Stimulus, receptor, motor neuron, sensory neuron, relay neuron, effector

    • D. 

      Receptor, stimulus, motor neuron, relay neuron, sensory neuron, effector

  • 24. 
    What is the main type of control that organisms use to maintain a stable internal environment?
    • A. 

      Hormonal feedback

    • B. 

      Negative feedback

    • C. 

      Positive feedback

    • D. 

      Nervous feedback

  • 25. 
    A definition of a negative feedback is
    • A. 

      Stimulating a change away from homeostasis.

    • B. 

      Stimulating a change towards homeostasis.

    • C. 

      None of the above

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