Q1. Which part of the neuron is responsible for transmitting nerve impulses away from the cell body?A. DendritesB. AxonC. Synaptic cleftD. Nissl’s granules
Q2. Which of the following statements about synapses is incorrect?A. Synapses are junctions between two neurons.B. Electrical synapses allow direct ion flow between neurons.C. Chemical synapses use neurotransmitters for signal transmission.D. All synapses in the human body are electrical synapses.
Q3. Which type of neural system is found in lower invertebrates like Hydra?A. Centralized neural systemB. Peripheral neural systemC. Nerve netD. Segmented ganglia
Q4. What is the role of the nodes of Ranvier in a myelinated neuron?A. Store neurotransmittersB. Regenerate axonsC. Facilitate saltatory conductionD. Generate myelin sheath
Q5. What is the primary function of cerebrospinal fluid (CSF)?A. Facilitates nerve impulse conductionB. Provides cushioning and removes metabolic wasteC. Acts as a neurotransmitterD. Transmits signals between neurons
Q6. What is the primary function of the sympathetic nervous system?A. Promotes rest and digestionB. Regulates voluntary muscle movementsC. Prepares the body for stress and emergenciesD. Controls circadian rhythms
Q7. Which neurotransmitter is responsible for the transmission of signals at the neuromuscular junction?A. DopamineB. SerotoninC. AcetylcholineD. Glutamate
Q8. Which of the following statements about the nervous system is correct?A. The peripheral nervous system consists of sensory and motor neurons.B. The central nervous system includes only the spinal cord.C. Neurons can function without generating action potentials.D. Neuroglial cells generate and transmit nerve impulses.
Q9. Which part of the brain is primarily responsible for maintaining homeostasis?A. ThalamusB. CerebellumC. HypothalamusD. Medulla oblongata
Q10. Which division of the autonomic nervous system is responsible for preparing the body for stress or emergencies?A. Somatic nervous systemB. Parasympathetic nervous systemC. Sympathetic nervous systemD. Central nervous system