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Nervous System and Brain MCQs with Answers

Nervous System and Brain MCQs

Welcome to the Nervous System and Brain MCQs with Answers. In this post, we are sharing Nervous System and Brain Multiple Choice Questions and Answers in Everyday Science section for various competitive exams in Pakistan. Each question offers a chance to enhance your knowledge regarding Nervous System and Brain online MCQs Test.

What is the basic functional unit of the nervous system?
a) Neuron
b) Axon
c) Synapse
d) Dendrite

Answer
a) Neuron

Which part of the brain controls balance and coordination?
a) Cerebrum
b) Cerebellum
c) Medulla
d) Thalamus

Answer
b) Cerebellum

The autonomic nervous system regulates which of the following?
a) Voluntary muscle movement
b) Involuntary body functions
c) Reflexes
d) Sensory perception

Answer
b) Involuntary body functions

Which part of the brain is responsible for memory and learning?
a) Brainstem
b) Cerebellum
c) Hippocampus
d) Hypothalamus

Answer
c) Hippocampus

The protective covering around axons that speeds up nerve impulses is called:
a) Synapse
b) Myelin sheath
c) Neuroglia
d) Nucleus

Answer
b) Myelin sheath

Which part of the brain is responsible for regulating body temperature, hunger, and thirst?
a) Hypothalamus
b) Cerebrum
c) Medulla
d) Pons

Answer
a) Hypothalamus

The space between two neurons where neurotransmitters are released is called:
a) Axon
b) Synapse
c) Dendrite
d) Soma

Answer
b) Synapse

Which of the following neurotransmitters is primarily involved in mood regulation?
a) Acetylcholine
b) Dopamine
c) Serotonin
d) Norepinephrine

Answer
c) Serotonin

Which structure in the brain is responsible for conscious thought and voluntary movement?
a) Cerebellum
b) Cerebrum
c) Brainstem
d) Medulla oblongata

Answer
b) Cerebrum

Which of the following is the largest part of the human brain?
a) Cerebellum
b) Brainstem
c) Cerebrum
d) Thalamus

Answer
c) Cerebrum

The part of the brain responsible for controlling heart rate and breathing is the:
a) Cerebellum
b) Medulla oblongata
c) Hypothalamus
d) Thalamus

Answer
b) Medulla oblongata

What is the role of motor neurons?
a) Transmit sensory information
b) Send impulses from the brain to muscles
c) Release neurotransmitters
d) Process signals in the brain

Answer
b) Send impulses from the brain to muscles

Which lobe of the brain is responsible for processing visual information?
a) Temporal lobe
b) Frontal lobe
c) Occipital lobe
d) Parietal lobe

Answer
c) Occipital lobe

The central nervous system consists of which two components?
a) Brain and spinal cord
b) Brain and nerves
c) Spinal cord and nerves
d) Nerves and ganglia

Answer
a) Brain and spinal cord

Which part of the brain relays sensory information to the appropriate areas?
a) Hippocampus
b) Thalamus
c) Medulla oblongata
d) Pons

Answer
b) Thalamus

Which of the following is not a part of the peripheral nervous system?
a) Cranial nerves
b) Spinal nerves
c) Brainstem
d) Ganglia

Answer
c) Brainstem

The parasympathetic nervous system is part of which larger system?
a) Somatic nervous system
b) Autonomic nervous system
c) Central nervous system
d) Sensory nervous system

Answer
b) Autonomic nervous system

Which of the following is a glial cell that produces myelin in the central nervous system?
a) Schwann cells
b) Astrocytes
c) Oligodendrocytes
d) Microglia

Answer
c) Oligodendrocytes

Which brain structure connects the two hemispheres of the brain?
a) Hypothalamus
b) Corpus callosum
c) Thalamus
d) Brainstem

Answer
b) Corpus callosum

Which area of the brain is primarily involved in speech production?
a) Wernicke’s area
b) Broca’s area
c) Occipital lobe
d) Cerebellum

Answer
b) Broca’s area

Which ion is primarily involved in the generation of an action potential in a neuron?
a) Potassium
b) Calcium
c) Sodium
d) Magnesium

Answer
c) Sodium

The fight-or-flight response is mainly activated by which division of the nervous system?
a) Somatic nervous system
b) Parasympathetic nervous system
c) Sympathetic nervous system
d) Enteric nervous system

Answer
c) Sympathetic nervous system

Which type of neuron carries impulses from sensory organs to the central nervous system?
a) Motor neurons
b) Interneurons
c) Sensory neurons
d) Relay neurons

Answer
c) Sensory neurons

Which part of the brain regulates the sleep-wake cycle?
a) Thalamus
b) Hypothalamus
c) Hippocampus
d) Medulla

Answer
b) Hypothalamus

What is the function of the cerebellum?
a) Memory storage
b) Coordination of movement and balance
c) Processing visual information
d) Regulating body temperature

Answer
b) Coordination of movement and balance

Which of the following best describes a synapse?
a) Gap between two neurons
b) Part of the neuron that releases neurotransmitters
c) The insulating layer around axons
d) Sensory receptor

Answer
a) Gap between two neurons

Which structure helps maintain homeostasis by linking the nervous system to the endocrine system?
a) Thalamus
b) Hypothalamus
c) Pineal gland
d) Medulla oblongata

Answer
b) Hypothalamus

Which of the following is a neurotransmitter associated with reward and pleasure?
a) Acetylcholine
b) Dopamine
c) GABA
d) Serotonin

Answer
b) Dopamine

The blood-brain barrier protects the brain from harmful substances in the blood. What type of cell is primarily involved in forming this barrier?
a) Neurons
b) Astrocytes
c) Microglia
d) Oligodendrocytes

Answer
b) Astrocytes

What is the primary role of the pons in the brain?
a) Coordinate balance
b) Regulate breathing
c) Control vision
d) Process emotions

Answer
b) Regulate breathing

Which part of the brain is primarily involved in processing auditory information?
a) Occipital lobe
b) Parietal lobe
c) Temporal lobe
d) Frontal lobe

Answer
c) Temporal lobe

Which type of glial cell acts as the immune defense in the central nervous system?
a) Oligodendrocytes
b) Astrocytes
c) Schwann cells
d) Microglia

Answer
d) Microglia

Which structure in the brain is responsible for forming new memories?
a) Hippocampus
b) Cerebellum
c) Amygdala
d) Brainstem

Answer
a) Hippocampus

Which part of the nervous system controls voluntary movements?
a) Autonomic nervous system
b) Sympathetic nervous system
c) Somatic nervous system
d) Parasympathetic nervous system

Answer
c) Somatic nervous system

What is the role of sensory neurons?
a) Process signals in the brain
b) Transmit information from the brain to muscles
c) Transmit sensory information to the central nervous system
d) Coordinate reflexes

Answer
c) Transmit sensory information to the central nervous system

Which brain region is involved in regulating emotions and fear responses?
a) Cerebellum
b) Amygdala
c) Thalamus
d) Hippocampus

Answer
b) Amygdala

Which of the following is part of the limbic system?
a) Cerebellum
b) Medulla oblongata
c) Amygdala
d) Pons

Answer
c) Amygdala

Which neurotransmitter is primarily associated with muscle contraction?
a) Dopamine
b) Serotonin
c) Acetylcholine
d) Norepinephrine

Answer
c) Acetylcholine

The spinal cord ends around which vertebra?
a) L1-L2
b) T1-T2
c) S1-S2
d) C1-C2

Answer
a) L1-L2

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