This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 651 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 651 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the thigmonasty? A) Response of an organism to seasonal changes in day length. B) Directional movement of plant to directional stimulus. C) Non-directional movement of plant. The direction is determined by plant. D) Response of plant to the touching. Show Answer Correct Answer: D) Response of plant to the touching. 2. The tiny space between the end of an axon and the next structure (a dendrite, a muscle cell or the cell of another organ) A) Neuron. B) Hormone. C) Conclusion. D) Axon. Show Answer Correct Answer: C) Conclusion. 3. Neuron:a type of insulation that helps impulses move faster A) Dendrites. B) Myelin Sheath. C) Axons. D) Soma. E) Conclusion. Show Answer Correct Answer: B) Myelin Sheath. 4. The nervous system that is your body's control center, responsible for interpreting signals and making decisions is the A) Central nervous system. B) Peripheral nervous system. Show Answer Correct Answer: A) Central nervous system. 5. Identify the part of our brain that ensures our muscles to work together to produce smooth coordinated voluntary movement. A) Cerebrum. B) Cerebellum. C) Medulla oblongata. D) Hypothalamus. Show Answer Correct Answer: B) Cerebellum. 6. Nerve cells that transmit impulses from the central nervous system to muscles and glands are ..... A) Engines. B) Connector. C) Adjustor. D) Sensory. Show Answer Correct Answer: A) Engines. 7. Which part of the neuron receive signals and conduct the impulses to the body? A) Dendrites. B) Cell body. C) Axon. D) Axon ending. Show Answer Correct Answer: A) Dendrites. 8. The conduction of action potentials in a myelinated nerve fiber is A) Saltatory. B) Without decrement. C) Faster than in an unmyelinated fiber. D) All of the above. Show Answer Correct Answer: D) All of the above. 9. Which Neurotransmitter stimulates memory? A) Nitric oxide. B) GABA. C) Dopamine. D) Acetylcholine. Show Answer Correct Answer: A) Nitric oxide. 10. The polarisation of neurons is caused by more ..... ions outside the axon membrane. A) Already. B) Ca. C) $O_2$. D) H. Show Answer Correct Answer: A) Already. 11. The membrane potential is about ..... of a resting neuron A) -70mV. B) -55mV. C) -90mV. D) None of above. Show Answer Correct Answer: A) -70mV. 12. The type of neuron that is responsible for carrying nerve impulses to the CNS are called ..... A) Sensory. B) Muscle. C) Motor. D) Interneurons. Show Answer Correct Answer: A) Sensory. 13. A specialized, impulse-conducting cell that is a functional unit of the nervous system. A) Axon. B) Neuron. C) Dendrite. D) Conclusion. Show Answer Correct Answer: B) Neuron. 14. True or False.-rrhaphy = suture A) False. B) True. Show Answer Correct Answer: B) True. 15. What is umami taste A) Sweet. B) Sour. C) Savory. D) Salty. Show Answer Correct Answer: C) Savory. 16. Which part of the brain serves as the control center for the autonomic nervous system? A) Cerebellum. B) Cerebrum. C) Medulla Oblongata. D) Pons. Show Answer Correct Answer: C) Medulla Oblongata. 17. The ..... consists of nerves, receptors, ganglia, and synapses outside the CNS. A) Central nervous system. B) Somatic nervous system. C) Sympathetic division of the autonomic nervous system. D) Parasympathetic division of the autonomic nervous system. E) Afferent division of the peripheral nervous system. Show Answer Correct Answer: E) Afferent division of the peripheral nervous system. 18. A nerve that stimulates skeletal muscle tissue A) Afferent nerves. B) Motor neurons. C) Efferent nerves. D) Astrocytes. Show Answer Correct Answer: B) Motor neurons. 19. What part of the nerve cell conducts current? Nerve enters the cell A) Axon. B) Dendrites. C) Cell body. D) All are correct. Show Answer Correct Answer: B) Dendrites. 20. Glial cell that form myelin sheath in the PNS A) Microglial cells. B) Satellite cells. C) Astrocytes. D) Schwann cells. E) Oligodendrocytes. Show Answer Correct Answer: D) Schwann cells. ← PreviousNext →Related QuizzesNervous System Quiz 1Nervous System Quiz 2Nervous System Quiz 3Nervous System Quiz 4Nervous System Quiz 5Nervous System Quiz 6Nervous System Quiz 7Nervous System Quiz 8Nervous System Quiz 9Nervous System Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books