This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 255 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 255 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which region of the brain sits on top of the brain stem and is made of the thalamus, hypothalamus, and epithalamus? A) Diencephalon. B) Cerebrum. C) Brain stem. D) Cerebellum. Show Answer Correct Answer: A) Diencephalon. 2. The function of axons is to send impulses to other neuron cells A) Correct. B) Wrong. Show Answer Correct Answer: A) Correct. 3. The two major divisions of the nervous system are the ..... A) Brain and spinal cord. B) Central and somatic nervous systems. C) Sympathetic and parasympathetic systems. D) Peripheral and central nervous systems. Show Answer Correct Answer: D) Peripheral and central nervous systems. 4. Which of the following is an example of an internal stimulus? A) Darkness. B) Sunlight. C) Hunger. D) Rain. Show Answer Correct Answer: C) Hunger. 5. Skin helps the body maintain steady ..... through perpiration and the enlarging of blood vessels. A) Temperature. B) Weight. C) Sweat. D) Water. Show Answer Correct Answer: A) Temperature. 6. Neuroglial wrapping around an axon, insulates electricity inside the axon increasing the speed of the impulse A) Coating. B) Mucous. C) Myelin Sheath. D) Dendrite. Show Answer Correct Answer: C) Myelin Sheath. 7. Neurons are nourished and insulated by A) Axon hillock. B) Schwann cell. C) Glia. D) Neurotransmitter. Show Answer Correct Answer: C) Glia. 8. Afferent nerves are called ....., and motor nerves are called ..... A) Motor nerves; sensory nerves. B) Peripheral nerves; cranial nerves. C) Mixed nerves; motor nerves. D) Sensory nerves; efferent nerves. E) Cranial nerves; peripheral nerves. Show Answer Correct Answer: D) Sensory nerves; efferent nerves. 9. The brain is said to have gray matter due to A) Axons and their coverings. B) Cell bodies and dendrites. C) Necrosis (death) of brain tissue. D) Cell bodies and axons. Show Answer Correct Answer: B) Cell bodies and dendrites. 10. This is the main organ of the nervous system. It is a soft organ contained in the skull which receives and processes information, and decides what actions to do. A) Heart. B) Lungs. C) Brain. D) Spinal cord. Show Answer Correct Answer: C) Brain. 11. Your nervous system is made up of billions of specialized cells called ..... A) Digestive cells. B) Nerve cells. C) Brain cells. D) Heart cells. Show Answer Correct Answer: B) Nerve cells. 12. Hypermetropia is also known as A) Close sighted. B) Far sighted. C) Near sighted. D) A stigmatism. Show Answer Correct Answer: B) Far sighted. 13. Negative feedback system help an organism A) Maintain homeostasis (balance). B) Do negative things. C) Not cool off when it is hot. D) Keep cold when it is cold. Show Answer Correct Answer: A) Maintain homeostasis (balance). 14. Which lobe of the brain controls reasoning, decision making & planning? A) Parietal. B) Frontal. C) Occipital. D) Temporal. Show Answer Correct Answer: B) Frontal. 15. Conduction of an action potential can occur fastest in what type of nerves? A) Sensory nerves. B) Motor nerves. C) Myelinated nerves. D) Unmyelinated nerves. Show Answer Correct Answer: C) Myelinated nerves. 16. What is the second largest part of the brain that has an important role in motor function and balance? A) Cerebellum. B) Spinal cord. C) Cerebral cortex. D) Cerebrum. Show Answer Correct Answer: A) Cerebellum. 17. How to differentiate the nervous systems between various kinds of animals? A) Based on the organisation of the neurons. B) Based on the organisation of the tissues and cells. C) Based on the organisation of the stomach. D) All of the above. Show Answer Correct Answer: A) Based on the organisation of the neurons. 18. The system that controls your voluntary muscle movements is the ..... A) CNS (central nervous system). B) PNS (peripheral nervous system). C) ANS (autonomic nervous system). D) SNS (somatic nervous system. Show Answer Correct Answer: D) SNS (somatic nervous system. 19. Which part of the brain controls the autonomic nervous system, breathing, hiccups, and heartbeat? A) Cerebrum. B) Cerebellum. C) Pons. D) Medulla oblongata. Show Answer Correct Answer: D) Medulla oblongata. 20. What do interneurons do? A) Transmit signals from brain to muscles. B) Produce myelin. C) Receive signals from sensory receptors. D) Connect neurons together. Show Answer Correct Answer: D) Connect neurons together. ← 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