You Think You Know About Human Biology? Pass This Biology Quiz

117 Questions | Total Attempts: 20

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You Think You Know About Human Biology? Pass This Biology Quiz

Human biology is an interdisciplinary area of academic study that examines humans through the influences and interplay of many diverse fields such as genetics, evolution, physiology, anatomy, epidemiology, anthropology, ecology, nutrition, population genetics, and sociocultural influences. You Think You Know About Human Biology? Pass This Biology Quiz


Questions and Answers
  • 1. 
    Which of the following statement(s) is correct?(1). Respiration is involuntary and may be also voluntary.(2). Involuntary respiration is controlled mainly by the medulla oblongata while voluntary respiration is controlled by the cerebral cortex.
    • A. 

      Both statements are correct.

    • B. 

      Statement (1) only is correct because involuntary respiration is controlled by the spinal cord.

    • C. 

      Both statements are incorrect.

    • D. 

      Statement (1) only is correct because voluntary respiration is controlled by the hypothalamus.

  • 2. 
    The peripheral nervous system includes the nerves, which ____.
    • A. 

      Extend to other parts of the body including muscles and organs.

    • B. 

      Lie outside of the central nervous system (CNS).

    • C. 

      Allow us to react to stimuli in our environment.

    • D. 

      All of them.

  • 3. 
    The peripheral nervous system consists of nerves that form the communication network between the ……… and the body parts.
    • A. 

      Muscular and skeletal system

    • B. 

      Sympathetic system

    • C. 

      Parasympathetic system

    • D. 

      Central nervous system

  • 4. 
    Which of the following is/are characteristic of the parasympathetic system?
    • A. 

      Causes the pupil to constrict

    • B. 

      Promotes digestion of food

    • C. 

      Retards the heartbeat

    • D. 

      All of the above

  • 5. 
    Which of the following is/(are) characteristic of the sympathetic system?
    • A. 

      Inhibits the digestive tract.

    • B. 

      Dilates the bronchi.

    • C. 

      Accelerates the heart beats.

    • D. 

      All of the above.

  • 6. 
    The part of the body that receives information from all over the body in order to make decisions is called the _____.
    • A. 

      Peripheral nervous system

    • B. 

      Sympathetic nervous system

    • C. 

      Central nervous system

    • D. 

      Parasympathetic nervous system

  • 7. 
    How many pairs of cranial nerves do humans have?
    • A. 

      4

    • B. 

      12

    • C. 

      16

    • D. 

      24

  • 8. 
    The ________ contains centers for heartbeat, breathing, and blood pressure.
    • A. 

      Cerebellum

    • B. 

      Cerebrum (Cerebral Cortex)

    • C. 

      Spinal cord

    • D. 

      Medulla oblongata

  • 9. 
    Dorsal root ganglia contain.....
    • A. 

      The cell bodies of sensory neurons that bring information from the periphery to the spinal cord.

    • B. 

      Spinal motor fibers.

    • C. 

      Sympathetic and parasympathetic neurons.

    • D. 

      All of the above.

  • 10. 
    A sensory neuron of the peripheral nervous system takes nerve impulses from sensory receptors to the ________.
    • A. 

      Skin.

    • B. 

      Central nervous system.

    • C. 

      Muscles.

    • D. 

      Autonomic nervous system.

  • 11. 
    All of the following are components of reflex arcs except …….
    • A. 

      Motor neurons

    • B. 

      Sensory neurons

    • C. 

      Inter-neurons

    • D. 

      Center of feeling pain

  • 12. 
    Which of these is not a reflex action?
    • A. 

      Secretion of saliva

    • B. 

      Learning how to read music score sheet

    • C. 

      Withdrawal of hand due to a needle prick

    • D. 

      Blinking of eyes when an insect comes very near to the eyes.

  • 13. 
    Reflex action is controlled by......
    • A. 

      Autonomic nervous system

    • B. 

      Peripheral nervous system

    • C. 

      Part of the central nervous system

    • D. 

      None of these

  • 14. 
    The brain has many functions. What is the part that controls involuntary actions and is also a link with the spinal cord?
    • A. 

      Medulla oblongata

    • B. 

      Cerebrum

    • C. 

      Midbrain

    • D. 

      Pituitary gland

  • 15. 
    A man injures his arm in an accident. Afterwards, he can feel objects touching his hand, but he cannot move his hand away from them. What could cause this?
    • A. 

      Receptors in his hand are damaged.

    • B. 

      The nerve connection is cut only between the receptors in his hand and his central nervous system.

    • C. 

      The nerve connection is cut only between his central nervous system and the muscles of his arm.

    • D. 

      The nerve connection between the receptors in the hand and his central nervous system; and the nerve connection between the central nervous system and the hand muscles are both cut.

  • 16. 
    Pons, cerebellum and medulla are parts of ……..?
    • A. 

      Forebrain

    • B. 

      Midbrain

    • C. 

      Hindbrain

    • D. 

      Brain stem

  • 17. 
    Which is the correct sequence of the components of a reflex arc?
    • A. 

      Receptors → Muscles→ Sensory neuron→ Motor neuron→ Spinal cord

    • B. 

      Receptors → Motor neuron → Spinal cord → Sensory neuron → Muscle

    • C. 

      Receptors → Spinal cord → Sensory neuron → Motor neuron → Muscle

    • D. 

      Receptors → Sensory neuron → Spinal cord → Motor neuron → Muscle

  • 18. 
    18- Which of the following statements are true?
    • A. 

      (i) and (ii)

    • B. 

      (i) and (iii)

    • C. 

      (i) and (iv)

    • D. 

      (i) , (ii) and (iii)

  • 19. 
    Which of the following is not caused by the activation of the sympathetic nervous system?
    • A. 

      A decrease in secretion of saliva.

    • B. 

      Eye pupil dilation

    • C. 

      An increase in blood pressure.

    • D. 

      A decrease in heart rate.

  • 20. 
    The sympathetic nervous system is primarily concerned with ______ whereas the parasympathetic system is primarily concerned with ______.
    • A. 

      Mobilizing the body in response to stress, maintaining the body at rest.

    • B. 

      The release of acetylcholine onto target organs, the release of adrenaline

    • C. 

      Activation of skeletal muscle, activation of smooth muscle.

    • D. 

      The contraction of the wall of the urinary bladder, contraction of the wall of the intestine.

  • 21. 
    Peripheral nervous system of human has ____ pairs of spinal nerves.
    • A. 

      31

    • B. 

      21

    • C. 

      11

    • D. 

      12

  • 22. 
    Spinal cord and brain are surrounded by protective membranes known as _____.
    • A. 

      Epineurium

    • B. 

      Meninges

    • C. 

      Neurilemma

    • D. 

      Mylein sheath

  • 23. 
    White matter consists of _______.
    • A. 

      Neuron cell bodies

    • B. 

      Unmyelinated axons and neuron cell bodies

    • C. 

      Myelinated axons

    • D. 

      Myelinated dendrites

  • 24. 
    Autonomic nervous system affects ______.
    • A. 

      The parts of the brain involved in memory

    • B. 

      The ear's ability to hear both faint whispers and loud cries

    • C. 

      Blood pressure and respiration

    • D. 

      All of the above

  • 25. 
    The brain area that most directly regulates the activity of the autonomic nervous system is the _____.
    • A. 

      Thalamus

    • B. 

      Medulla oblongata

    • C. 

      Cerebellum

    • D. 

      Hypothalamus

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