This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 974 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 974 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Nerves are thin strands of long fibers that send ..... throughout the body A) Neurons. B) Blood. C) Signals. D) Sounds. Show Answer Correct Answer: C) Signals. 2. What division of the nervous system detects information using sensory receptors? A) Autonomic nervous system. B) Sympathetic nervous system. C) Somatic nervous system. D) Central nervous system. Show Answer Correct Answer: C) Somatic nervous system. 3. Choose the wrong sentence about graded potentials. A) Makes the membrane either more polarized (inside more negative) or less polarized (inside less negative). B) They travel the mode of decremental conduction. C) Summation is possible. D) Mediated through Voltage gated ion channels. Show Answer Correct Answer: D) Mediated through Voltage gated ion channels. 4. Through which process do plants obtian energy? A) Transpiration. B) Respiration. C) Photosynthesis. D) Precipitation. Show Answer Correct Answer: C) Photosynthesis. 5. Chemicals in the neuron that help send messages across the synapse A) Dendrites. B) Neurotransmitters. C) Axon terminals. D) Vesicles. Show Answer Correct Answer: B) Neurotransmitters. 6. WHICH ORGAN IS REGARDED AS THE FASTEST ORGAN IN HUMAN BODY? A) NERVE CELLS. B) CEREBRUM. C) HEART. D) BRAIN. Show Answer Correct Answer: D) BRAIN. 7. True or False:You need light to be able to see. A) True. B) False. C) Sometimes. D) None of above. Show Answer Correct Answer: A) True. 8. Diencephalon has two major structures the thalamus and the A) Hypothalamus. B) Hypersensitivity. C) Hypothyroid. D) None of the above. Show Answer Correct Answer: A) Hypothalamus. 9. Weight of the brain A) 3 pounds. B) 10 pounds. C) 1 pound. D) 5 pounds. Show Answer Correct Answer: A) 3 pounds. 10. The chemicals that float across the synapse are called A) Lymphocytes. B) Neurotransmitters. C) Macrophages. D) Hormones. Show Answer Correct Answer: B) Neurotransmitters. 11. The outer layer of the cerebrum is called the ..... A) Brain stem. B) Cerebral Cortex. C) Corpus Callosum. D) Cerebellum. Show Answer Correct Answer: B) Cerebral Cortex. 12. The ..... nervous system monitors breathing, heart rate, and digestion. A) Central nervous system. B) Peripheral nervous system. C) Autonomic nervous system. D) None of above. Show Answer Correct Answer: C) Autonomic nervous system. 13. The somatic NS collects info from the sensory organs. what is NOT a sense? A) Touch. B) Taste. C) Smell. D) Sight. E) Breathing. Show Answer Correct Answer: E) Breathing. 14. The suffix-plasia means: A) Paralysis. B) Development. C) Increase. D) Decrease. Show Answer Correct Answer: B) Development. 15. What controls our reflex actions? A) Brain. B) Spinal Cord. C) Nerves. D) Skin. Show Answer Correct Answer: B) Spinal Cord. 16. What structure of the eye controls the size of the pupils? A) Regulates how much light enters the eye. B) Focuses light onto the retina. C) Lining of the back of the eye that contains light receptor cells. D) None of above. Show Answer Correct Answer: B) Focuses light onto the retina. 17. REM sleep A) Brain development during which your brain grows and organizes sensory information. B) Regular Employees Meeting. C) Deep sleep where nothing happens. D) Refugee Eagles Migrate. Show Answer Correct Answer: A) Brain development during which your brain grows and organizes sensory information. 18. What is it called when one type of energy changes to another type of energy? A) Energy transfer. B) A Joule. C) Energy transformation. D) Total energy. Show Answer Correct Answer: C) Energy transformation. 19. Identify parts of the EYE (pink tissue at blue arrow) A) Eye lid. B) Central pit. C) Lacrimal gland. D) Lens. E) Choroid. Show Answer Correct Answer: C) Lacrimal gland. 20. How many hemispheres does the human brain have? A) Four:front and back, top and bottom. B) Two:front and back. C) Four:front and back, left and right. D) Two:left and right. Show Answer Correct Answer: D) Two:left and right. ← 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