Test You Knowledge On Bio Science With This Quiz!

46 Questions | Total Attempts: 573

SettingsSettingsSettings
Test You Knowledge On Bio Science With This Quiz! - Quiz

Science is perhaps the greatest study in human history, providing us with answers to the endless questions like “why”, “how” and “what” that we may ask about the universe around us. In the following quiz, we’ll be focusing our microscopes in on the scientific study of life – biology! Think you can talk to us about bio science without getting a question wrong? Let’s see if you’re right!


Questions and Answers
  • 1. 
                  division carries signals to the smooth muscle in the large intestine.
    • A. 

      Visceral motor

    • B. 

      Afferent

    • C. 

      Somatic motor

    • D. 

      Somatic sensory

    • E. 

      Visceral sensory

  • 2. 
    The            division tends to prepare the body for action.
    • A. 

      Parasympathetic

    • B. 

      Motor afferent

    • C. 

      Sympathetic

    • D. 

      Sensory afferent

    • E. 

      Somatic motor

  • 3. 
                are examples of effectors in the nervous system.
    • A. 

      Glands

    • B. 

      Stimuli

    • C. 

      Reflexes

    • D. 

      Sense organs

    • E. 

      Receptor

  • 4. 
    The autonomic nervous system is also called the
    • A. 

      Central nervous system

    • B. 

      Somatic sensory division

    • C. 

      Somatic motor division

    • D. 

      Visceral motor division

    • E. 

      Visceral sensory division

  • 5. 
    Nerves are         of the nervous system
    • A. 

      Cells

    • B. 

      Organs

    • C. 

      Organelles

    • D. 

      Tissues

    • E. 

      Organ systems

  • 6. 
    Some            neurons are specialized to detect stimuli, whereas       neurons send signals to the effectors of the nervous system.
    • A. 

      Efferent; afferent

    • B. 

      Motor; sensory

    • C. 

      Afferent; efferent

    • D. 

      Afferent; association

    • E. 

      Efferent; association

  • 7. 
    About 90% of neurons in the nervous system are          neurons
    • A. 

      Motor

    • B. 

      Afferent

    • C. 

      Efferent

    • D. 

      Association

    • E. 

      Sensory

  • 8. 
               neurons are the most common type of neurons
    • A. 

      Bipolar

    • B. 

      Multipolar

    • C. 

      Anaxonic

    • D. 

      Dendritic

    • E. 

      Unipolar

  • 9. 
    Nerve fibers refers to
    • A. 

      A nerve cell

    • B. 

      An axon

    • C. 

      An organ

    • D. 

      A bundle of macromolecules in nerve cells

    • E. 

      An organelle in nerve cells

  • 10. 
    Most metabolic and regulatory functions in a neuron happen at the
    • A. 

      Axon

    • B. 

      Dendrites

    • C. 

      Schawnn cell

    • D. 

      Soma

    • E. 

      Axon hillock

  • 11. 
                are the primary site for receiving signals from other neurons
    • A. 

      Synaptic knobs

    • B. 

      Somas

    • C. 

      Dendrites

    • D. 

      Axons

    • E. 

      Axon collateral

  • 12. 
          form myelin in the spinal cord
    • A. 

      Oligodendrocytes

    • B. 

      Satellite cells

    • C. 

      Microglia

    • D. 

      Astrocytes

    • E. 

      Schwann cells

  • 13. 
    Most of the myelin sheath is composed of
    • A. 

      Lipids

    • B. 

      Carbohydrates

    • C. 

      Glycoproteins

    • D. 

      Proteins

    • E. 

      Polysaccharides

  • 14. 
    The myelin sheath is formed by
    • A. 

      Organelles

    • B. 

      Polymers

    • C. 

      Cells

    • D. 

      Macromolecules

    • E. 

      Fibers

  • 15. 
    Conduction speed of a nerve fiber would be fastest in a
    • A. 

      Small myelinated fiber

    • B. 

      Large myelinated fiber

    • C. 

      Small fiber with multiple schwann cells

    • D. 

      Small unmyelinated fiber

    • E. 

      Large unmyelinated fiber

  • 16. 
    In order for a peripheral nerve fiber to regenerate it must have
    • A. 

      At least part of the soma intact

    • B. 

      At least the entire axon and neurilemma inteact

    • C. 

      The soma and at least some neurilemma intact

    • D. 

      All dendrites intact

    • E. 

      At least half the length of the fiber intact

  • 17. 
                 has the greatest influence on the resting membrane potential
    • A. 

      Potassium

    • B. 

      Phosphate

    • C. 

      Calcium

    • D. 

      Sodium

    • E. 

      Chloride

  • 18. 
    Most local potentials happen at the
    • A. 

      Somas

    • B. 

      Dendrites

    • C. 

      Schwann cells

    • D. 

      Trigger zone

    • E. 

      Axon hillock

  • 19. 
    Opening of sodium gates typically leads to
    • A. 

      Plasma membrane voltage returning to the resting membrane potential

    • B. 

      Drifting of plasma membrane voltage toward a more negative value

    • C. 

      Depolarization of the plasma membrane

    • D. 

      Hyperpolarization of the plasma membrane

    • E. 

      Repolarization of the plasma membrane

  • 20. 
    Which of the following will cause the plasma membrane to hyperpolarize when at its RMP?
    • A. 

      Inflow of sodium

    • B. 

      Inflow of patassium

    • C. 

      Inflow of calcium

    • D. 

      Inflow of chloride

    • E. 

      Outflow of chloride

  • 21. 
    Local potentials are         , meaning they vary in magnitude according to the strength of the stimulus
    • A. 

      Reversible

    • B. 

      Decremental

    • C. 

      Graded

    • D. 

      Excitatory

    • E. 

      Inhibitory

  • 22. 
    An inhibitory local potential
    • A. 

      Depolarizes the plasma membrane

    • B. 

      Repolarizes the plasma membrane

    • C. 

      Hyperpolarizes the plasma membrane

    • D. 

      Drifts the membrane potential towards the resting membrane potential

    • E. 

      Neutralizes the plasma membrane

  • 23. 
    While the membrane is depolarizing its
    • A. 

      Potassium gates are fully open

    • B. 

      Chloride gates are partially open

    • C. 

      Chloride gates are fully open

    • D. 

      Sodium gates are fully open

    • E. 

      Sodium gates are partially open

  • 24. 
    Local potentials are         , whereas action potential are       .
    • A. 

      Irreversible; reversible

    • B. 

      Self-propagating; local

    • C. 

      Graded;all or none

    • D. 

      Nondecremental; decremental

    • E. 

      Produced by voltage-regulated channels; produced by gated cahnnels

  • 25. 
    During hyperpolarization ( or afterpotential)
    • A. 

      Sodium ions are entering the cells

    • B. 

      Sodium ion are leaving the cell

    • C. 

      Potassium ions are entering the cell

    • D. 

      Potassium ions are leaving the cell

    • E. 

      Both sodium and potassium are leaving the cell

Back to Top Back to top
×

Wait!
Here's an interesting quiz for you.

We have other quizzes matching your interest.