Neurobiology Of animal MCQs January 8, 2026March 13, 2024 by u930973931_answers 20 min Score: 0 Attempted: 0/20 Subscribe 1. . What is neurobiology? (A) The study of animal behavior (B) The study of animal genetics (C) The study of the nervous system and its functions (D) The study of animal anatomy 2. . What is the basic functional unit of the nervous system? (A) Neuron (B) Glial cell (C) Axon (D) Synapse 3. . Which of the following is responsible for transmitting electrical signals away from the cell body of a neuron? (A) Dendrite (B) Axon (C) Soma (D) Synapse 4. . What is the term for the junction between two neurons? (A) Dendrite (B) Axon (C) Synapse (D) Soma 5. . Which of the following is the main neurotransmitter responsible for muscle contraction? (A) Dopamine (B) Serotonin (C) Acetylcholine (D) GABA 6. . What is the term for the electrical signal that travels along the length of an axon? (A) Action potential (B) Resting potential (C) Synaptic transmission (D) Neurotransmission 7. . Which of the following is the primary function of glial cells? (A) Transmitting electrical signals (B) Providing structural support (C) Receiving neurotransmitters (D) Initiating action potentials 8. . What is the role of myelin in the nervous system? (A) To increase the speed of nerve impulse transmission (B) To regulate neurotransmitter release (C) To maintain the resting potential of neurons (D) To provide structural support to neurons 9. . Which part of the brain is responsible for regulating basic physiological functions such as breathing and heart rate? (A) Cerebrum (B) Cerebellum (C) Brainstem (D) Thalamus 10. . Which of the following is not a division of the vertebrate nervous system? (A) Central nervous system (B) Peripheral nervous system (C) Autonomic nervous system (D) Endocrine nervous system 11. . What is the role of the autonomic nervous system? (A) Controlling voluntary movements (B) Regulating involuntary bodily functions (C) Processing sensory information (D) Storing memories 12. . Which neurotransmitter is associated with pleasure and reward in the brain? (A) Dopamine (B) Serotonin (C) Acetylcholine (D) GABA 13. . What is the function of the hypothalamus in the brain? (A) Regulation of body temperature and thirst (B) Processing visual information (C) Motor coordination and balance (D) Higher cognitive functions 14. . Which of the following is a function of the hippocampus? (A) Regulation of body temperature (B) Processing of olfactory information (C) Formation of new memories (D) Coordination of motor movements 15. . What is the role of the amygdala in the brain? (A) Regulation of body temperature (B) Processing of auditory information (C) Emotional processing and memory (D) Control of voluntary movements 16. . Which part of the brain is responsible for coordinating voluntary motor movements and balance? (A) Cerebrum (B) Cerebellum (C) Brainstem (D) Thalamus 17. . What is the function of the medulla oblongata in the brainstem? (A) Regulation of heart rate and breathing (B) Processing of visual information (C) Control of voluntary movements (D) Emotional processing 18. . Which of the following is a function of the spinal cord? (A) Processing sensory information (B) Regulation of body temperature (C) Control of voluntary movements (D) Production of neurotransmitters 19. . What is the role of the somatosensory cortex in the brain? (A) Processing visual information (B) Processing sensory information from the body (C) Coordination of motor movements (D) Regulation of emotional responses 20. . Which part of the brain is responsible for higher cognitive functions such as reasoning and problem-solving? (A) Cerebrum (B) Cerebellum (C) Brainstem (D) Thalamus