This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 993 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 993 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The nerve cells that are activated by sensory input from the environment A) Epilepsy. B) Peripheral nervous system. C) Knee jerk reflex. D) Sensory neurons. E) Parasympathetic system. Show Answer Correct Answer: D) Sensory neurons. 2. A relay station for sensory impulses; decides whether sensation is pleasant or unpleasant A) Hypothalamus. B) Epithelium. C) Thalamus. D) None of above. Show Answer Correct Answer: C) Thalamus. 3. Chemoreceptors are most likely to be activated by which of the following? A) Cold temperatures. B) Pain. C) Foul odors. D) Carbon dioxide. E) Standing on your head. Show Answer Correct Answer: C) Foul odors. 4. What does a neuron use to transmit signals across gaps? A) Neurotransmitters. B) Telepathic messages. C) Neurotransmissioners. D) Blood cells. Show Answer Correct Answer: A) Neurotransmitters. 5. This is the part of the brain controlling our digestive system A) Medulla. B) Pons. C) Midbrain. D) Cerebellum. Show Answer Correct Answer: A) Medulla. 6. ..... is a bundle of nerves that is surrounded and protected by the vertebral column. A) Brain. B) Rib cage. C) Spinal cord. D) Limbs. Show Answer Correct Answer: C) Spinal cord. 7. Which of the following genotypes is a purebred? A) Bb. B) Gg. C) Bb. D) Dd. Show Answer Correct Answer: A) Bb. 8. The part of the neuron which an impulse is sent along through is the ..... A) Axon. B) Dendrite. Show Answer Correct Answer: A) Axon. 9. Most inferior portion of the brain stem A) Mid brain. B) Pons. C) Medulla oblongata. D) None of above. Show Answer Correct Answer: C) Medulla oblongata. 10. The nerve cells that connect sensory and motor neurons are the ..... A) Motor neurons. B) Sensory neurons. C) Interneurons. D) Neuroglia. Show Answer Correct Answer: C) Interneurons. 11. You would find more ..... in the nervous system comparatively. A) Neurons. B) Glial cells. C) Muscles. D) None of above. Show Answer Correct Answer: B) Glial cells. 12. The peripheral nervous system (PNS) consists of ..... A) The brain. B) The spinal cord. C) All the nerves and ganglia outside of the brain and spinal cord. D) The white and grey matter and the spinal cord. E) The white matter and the ganglia. Show Answer Correct Answer: C) All the nerves and ganglia outside of the brain and spinal cord. 13. Which of the following is a way of overcoming limitations in climate? A) Greenhouses. B) Pest nets. C) Pesticides. D) None of above. Show Answer Correct Answer: A) Greenhouses. 14. Each hemisphere of the cerebrum is divided into regions called ..... A) Lobes. B) Reflex. C) Temple. D) Hemisphere. Show Answer Correct Answer: A) Lobes. 15. The ..... and ..... are protected in the body by the following structures: A) Brain, spinal cord:cranium. B) In, spinal cord:cranium, vertebrae, meninges, cerebrospinal fluid. C) Motor neurons, spinal cord:cerebrospinal. D) None of above. Show Answer Correct Answer: B) In, spinal cord:cranium, vertebrae, meninges, cerebrospinal fluid. 16. Why are sensory nerve fibers unique? A) They don't cause any movement to happen. B) They only carry nerve impulses in one direction. C) They are only located in the brain. D) They only respond if you are awake. Show Answer Correct Answer: B) They only carry nerve impulses in one direction. 17. After depolarization what happens to restore resting potential? Don't pick the answer with & A) Sodium channels open & sodium ions diffuse out of the neuron. B) Potassium channels open & potassium ions diffuse into the neuron. C) Potassium channels open and potassium ions diffuse into the neuron. D) Sodium channels open and sodium ions diffuse into the neuron. Show Answer Correct Answer: C) Potassium channels open and potassium ions diffuse into the neuron. 18. Part of the neuron that is the nerve cell or soma A) Cell body. B) Axon. C) Dendrite. D) Conclusion. Show Answer Correct Answer: A) Cell body. 19. What part of the eye is #2 pointing to? A) Iris. B) Pupil. C) Sclera. D) Cornea. E) Retina. Show Answer Correct Answer: B) Pupil. 20. Which part controls the INVOLUNTARY actions? A) Cerebellum. B) Cerebrum. C) Brain stem. D) None of above. Show Answer Correct Answer: C) Brain stem. ← PreviousNext →Related QuizzesScience 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 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books