CBSE Class 11 Biology Neural Control and Coordination MCQs Set 03

Question: In insects, the brain is present along with
a) Ganglia, neural tissue
b) Network of tissue, spinal
c) Afferent nerve fibres, ganglia
d) Neurons, network of nerve fibres
Answer: a

Question: Transmission of a nerve impulse across……… is very similar to impulse conduction along a single axon.
a) Ranvier’s node
b) Chemical synapse
c) Electrical synapse
d) Myelin sheath
Answer: c

Question: Unipolar neuron / unipolar nerve cell means
a) Nerve cell with one dendron
b) Nerve cell with many dendron
c) Nerve cell without dendron
d) Nerve cell with one dendron and one axon
Answer: c

Question: The endocrine system provides _____ integration through _____
a) Chemical, hormones
b) Physical, hormones
c) Chemical, blood
d) Physical, blood
Answer: a

Question: CNS includes
a) Brain
b) Spinal cord
c) Both Brain and Spinal cord
d) PNS
Answer: c

Question: In mechanism of vision, action potential is developed in :
a) Pigmented layer of retina
b) Photo receptor cells
c) Ganglionic cells
d) Optic nerve
Answer: c

Question: Which of the following options is wrong?
a) Eye muscles are attached with sclera
b) Visual purple is concerned with dim light, while visual violet is concerned with bright light
c) The colour differentiation is done by cones
d) None
Answer: d

Question: _____ is a long fibre, the distal end of which is branched
a) Cell body
b) Axon
c) Dendrites
d) None of the options
Answer: b

Question: Neurons can detect, receive and transmit different kinds of _____
a) Neurotransmitters
b) Axon
c) Stimuli
d) Both Neurotransmitters and Stimuli
Answer: c

Question: The cerebral hemispheres are connected by a tract of nerve fibres called corpus callosum. These fibres are covered by :
a) Myelin sheath or medullary sheath
b) Unmylinated or non medullated
c) Gray matter
d) Neurilemma
Answer: a

Question: Myelin sheath is present around
a) Medullated nerve fibre
b) Non-medullated nerve fibre
c) Muscle fibre
d) Both Medullated nerve fibre and Non-medullated nerve fibre
Answer: a

Question: Body coordination is maintained by
a) Nervous system
b) Excretory system
c) Endocrine system
d) Neuroendocrine system
Answer: d

Question: Neurons are excitable cells because their membranes are in a ____
a) Depolarised state
b) Polarized state
c) Repolarized state
d) None of the options
Answer: b

Question: Neurons can
a) Detect different kind of stimuli
b) Receive different kind of stimuli
c) Transmit different kind of stimuli
d) All of the above
Answer: d

Question: Which one is incorrect statement regarding ear :
a) Each semicircular canal lies in a different plane at right angles to each other.
b) The membranous semicircular canals are suspended in endolymph of bony canals
c) Saccule & utricle contains a projecting ridge called macula
d) Crista & macula are the specific receptors of the vestibular apparatus responsible for balance & posture.
Answer: b

Question: Which of the following cells form myelin sheath around axon?
a) Neuroglia cell
b) Neuron
c) Schwann cell
d) Astrocyte
Answer: c

Question: The axon transmits nerve impulses to
a) Neuro-muscular junction
b) PNS
c) CNS
d) None of the options
Answer: a

Question: During a physical activity oxygen demand is _____
a) Increased
b) Decreased
c) No change
d) Depends upon type of physical activity
Answer: a

Question: In _____ neural system is composed of network of neurons
a) Vertebrates
b) Insects
c) Hydra
d) Ctenoplana
Answer: c

Question: Eustachian tube connects the middle ear to …….. which helps in equalising the pressure on either side of………..
a) Pharynx, basilar membrane
b) Pharynx, tympanic membrane
c) Buccal cavity, reissner’s membrane
d) Buccal cavity, tympanic membrane
Answer: b

Question: The neural organisation is very complex in lower vertebrates — this statement is
a) True
b) False
c) Cannot say
d) Depends on condition
Answer: b 

Question: In our body the _____ and _____ system jointly coordinate and integrate the body
a) Neural, endocrine
b) Neural, excretory
c) Endocrine, circulatory
d) Endocrine, skeletal
Answer: a

Question: Short fibres which branch repeatedly and project out of cell body also contain some Nissl’s granules are called
a) Cell body
b) Dendrite
c) Axon
d) None of the options
Answer: b

Question: Synaptic knobs possess
a) Synaptic vesicles
b) Neurotransmitters
c) Both Synaptic vesicles and Neurotransmitters
d) None of the options
Answer: c

Question: Cerebral cortex is referred to as gray matter due to ?
a) Fibers of tract covered by myelin sheath
b) Presence of neuron cell bodies collection
c) Due to presence of association area
d) Due to a) and b) both
Answer: b

Question: _____ is the process through which two or more organs interact and complement the functions of one another
a) Coordination
b) Homeostasis
c) Integration
d) Functioning of muscles
Answer: a

Question: The PNS is divided into _____ divisions
a) Three
b) Two
c) One
d) Zero
Answer: b

Question: The ANS relays impulses from
a) CNS to skeletal muscles
b) CNS to smooth muscles
c) Both CNS to skeletal muscles and CNS to smooth muscles
d) None of the options
Answer: b

Question: Which of the following is division of PNS?
a) Sympathetic nervous system
b) Autonomic nervous system
c) Both Sympathetic nervous system and Autonomic nervous system
d) None of the options
Answer: b

Question: Part of brain involved in the interpretation, storage of information and initiation of response on the basis of past experience is called association area it is :
a) Neither sensory nor motor
b) Memory bank
c) Motor area
d) Sensory area
a) C and D
b) A and B
c) B and D
d) B and C
Answer: b

Question: The ___ comprises of all the nerves of the body associated with the CNS
a) PNS
b) SNS
c) ANS
d) Nerve fibres
Answer: a

Question: The ____ nerve fibre transmits impulses from tissues/organs to CNS
a) Afferent
b) Efferent
c) ANS
d) SNS
Answer: a