Class 11 Biology: Nervous System MCQs
Test your knowledge with these multiple-choice questions on the Nervous System. Ideal for Class 11 students preparing for their exams.
- Body coordination is maintained by
- a) Circulatory system
- b) Nervous system
- c) Endocrine system
- d) Both (b) and (c)
Answer: d
- Which of the following is the structural and functional unit of the nervous system?
- a) Axon
- b) Neuron
- c) Osteocyte
- d) Neuroglia
Answer: b
- Which part of a neuron is covered by a fatty sheath?
- a) Axon
- b) Cyton
- c) Dendrite
- d) Node of Ranvier
Answer: a
- Which matter is composed of
- a) Nerve cells
- b) Ependymal cells
- c) Nerve fibres
- d) None of these
Answer: c
- Myelin of the nerve fibres of the central nervous system is produced and maintained by
- a) Astrocytes
- b) Microglia
- c) Schwann cells
- d) Oligodendrocytes
Answer: d
- In the resting state of the neural membrane, diffusion due to concentration gradients, if allowed, would drive:
- a) K+ into the cell
- b) Na+ into the cell
- c) Na+ out of the cell
- d) K+ and Na+ out of the cell
Answer: b
- In medullated nerve fibres, the conduction of impulses is faster due to the presence of
- a) Pericytes
- b) Nissl's granules
- c) Endoneurium and epineurium
- d) Myelin sheath and node of Ranvier
Answer: d
- The electrical potential difference between outside and inside of a nerve axon before excitation is known as
- a) Resting potential
- b) Action potential
- c) Spike potential
- d) Reaction potential
- e) Activation potential
Answer: a
- Chemicals which are released at the synaptic junction are called
- a) Lymph
- b) Hormones
- c) Neurotransmitters
- d) Cerebrospinal fluid
Answer: c
- The neurotransmitter produced at the synapse and neuromuscular junction is
- a) GTP
- b) ATP
- c) Phosphokinase
- d) Acetylcholine
Answer: d
- Which of the following does not act as a neurotransmitter?
- a) Tyrosine
- b) Epinephrine
- c) Acetylcholine
- d) Glutamic acid
Answer: a
- Adrenaline is equivalent to which neurotransmitter?
- a) GABA
- b) Serotonin
- c) Epinephrine
- d) Norepinephrine
Answer: c
- Which one is not a neurotransmitter?
- a) Thyroxine
- b) GABA
- c) Acetylcholine
- d) Norepinephrine
Answer: a
- The membrane covering the brain and spinal cord is called:
- a) Meninx
- b) Grey matter
- c) Inner meninx
- d) Middle meninx
Answer: a
- Arachnoid mater is:
- a) Neurilemmal
- b) Outer meninx
- c) Inner meninx
- d) Middle meninx
Answer: d
- Cerebrospinal fluid is present:
- a) Between pia mater and arachnoid mater
- b) Between the dura mater and cranium
- c) Between arachnoid and dura mater
- d) Beneath the pia mater
Answer: a
- The supporting and nutritive cells found in the brain are:
- a) Microglia
- b) Astrocytes
- c) Ependymal cells
- d) Oligodendrocytes
Answer: c
- Corpus callosum is found in the brain of:
- a) Frog
- b) Pigeon
- c) Elephant
- d) Crocodile
Answer: c
- Which part of the brain controls intellectual ability?
- a) Frontal lobe
- b) Parietal lobe
- c) Temporal lobe
- d) Occipital lobe
Answer: a
- Which of the following structures is a part of the diencephalon?
- a) Basal ganglia
- b) Olfactory bulb
- c) Hypothalamus
- d) Cerebral cortex
Answer: c
- In which part of the brain is the corpora quadrigemina located?
- a) Diencephalon
- b) Mesencephalon
- c) Prosencephalon
- d) Rhombencephalon
Answer: b
- Occipital lobe is connected with:
- a) Smell
- b) Vision
- c) Speech
- d) Sensory area
Answer: b
- Vomiting centre is located in the:
- a) Stomach and sometimes in the duodenum
- b) Gastrointestinal tract
- c) Medulla oblongata
- d) Hypothalamus
Answer: c
- Which part of the human brain is concerned with the regulation of body temperature?
- a) Medulla oblongata
- b) Hypothalamus
- c) Cerebrum
- d) Cerebellum
Answer: b
- Hypothalamus of the brain is not involved in which function?
- a) Sleep-wake cycle
- b) Temperature control
- c) Osmoregulation and thirst
- d) Accuracy of muscular movement
Answer: d
- Which part of the brain is involved in the loss of control when a person drinks alcohol?
- a) Thalamus
- b) Cerebrum
- c) Pons varolii
- d) Cerebellum
- e) Medulla oblongata
Answer: d
- During the course of evolution, which part of the brain has shown the maximum increase in size?
- a) Midbrain
- b) Forebrain
- c) Hindbrain
- d) All of these
Answer: b
- Pons, cerebellum, and medulla together constitute:
- a) Hindbrain
- b) Midbrain
- c) Forebrain
- d) Telencephalon
- e) Cerebral hemispheres
Answer: a
- Human hindbrain comprises three parts, one of which is:
- a) Spinal cord
- b) Cerebellum
- c) Hypothalamus
- d) Corpus callosum
Answer: b
- Integration of the visual, tactile, and auditory inputs occurs in the:
- a) Midbrain
- b) Limbic system
- c) Corpus callosum
- d) Medulla oblongata
- e) Peripheral nervous system
Answer: a
- The part of the brain where the centre for hunger and thirst is located is:
- a) Cerebrum
- b) Cerebellum
- c) Hypothalamus
- d) Medulla oblongata
Answer: c
- Comprehension of spoken and written words takes place in the region of:
- a) Association area
- b) Motor area
- c) Wernicke's area
- d) Broca's area
Answer: c
- All sensory pathways to the cerebral cortex synapse at the:
- a) Pons
- b) Thalamus
- c) Cerebellum
- d) Hypothalamus
Answer: b
- The part of the human hindbrain that is responsible for hand-eye coordination is:
- a) Thalamus
- b) Cerebellum
- c) Pons varolii
- d) Medulla oblongata
Answer: b
- The nerve centres which control body temperature and the urge for eating are contained in:
- a) Pons
- b) Thalamus
- c) Cerebellum
- d) Hypothalamus
Answer: d
- Which function will be lost due to damage of the occipital lobe?
- a) Hearing
- b) Speech
- c) Vision
- d) Memory
Answer: c
- Signal nerves are usually:
- a) Mixed
- b) Sensory
- c) Afferent
- d) Efferent
Answer: a
- Which is the largest bone in the middle ear?
- a) Incus
- b) Malleus
- c) Stapes
- d) Cochlea
Answer: b
- Reflex action is controlled by:
- a) Spinal cord
- b) Autonomic nervous system
- c) Peripheral nervous system
- d) Sympathetic nervous system
Answer: a
- Which of the following is not involved in the knee-jerk reflex?
- a) Brain
- b) Interneurons
- c) Motor neurons
- d) Muscle spindle
Answer: a
- Afferent nerve fibres conduct impulses from:
- a) CNS to receptor
- b) CNS to effector
- c) Receptor to CNS
- d) Effector to receptor
Answer: c
- The autonomic nervous system has control over:
- a) Reflex action
- b) Sense organs
- c) Internal organs
- d) Skeletal muscles
- e) Central nervous system
Answer: c
- The function of our visceral organs is controlled by:
- a) Sympathetic and parasympathetic neural systems
- b) Sympathetic and somatic neural systems
- c) Central and somatic nervous systems
- d) None of the above
Answer: a
- Sensory neurons of the retina of the eye are:
- a) Pacinian and Ruffini's corpuscles
- b) Maculae and cristae
- c) Rods and cones
- d) All of the above
Answer: c
- The innermost layer of the human eye is:
- a) Choroid
- b) Cornea
- c) Sclera
- d) Retina
- e) Lens
Answer: d
- Rods are sensitive to:
- a) Dim light
- b) High intensity light
- c) Colour perception
- d) All of these
Answer: a
- The purplish-red pigment rhodopsin contained in the rod-type photoreceptor cells of the human eye is a derivative of:
- a) Vitamin A
- b) Vitamin B1
- c) Vitamin C
- d) Vitamin D
Answer: a
- The part of the internal ear responsible for hearing is:
- a) Cochlea
- b) Utriculus
- c) Sacculus
- d) Semicircular canal
Answer: a
- Which part of the human ear plays no role in hearing as such but is otherwise very much required?
- a) Ear ossicles
- b) Organ of Corti
- c) Eustachian tube
- d) Vestibular apparatus
Answer: d
- Organ of Corti helps in:
- a) Maintaining equilibrium
- b) Formation of wax
- c) Hearing
- d) All of these
Answer: c
Additional Resources
For more practice questions and detailed explanations, visit our Nervous System Study Guide and check out related topics on authoritative resources.
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