Class 11 Biology Chapter 21 Neural Control and Coordination MCQ Questions with Answer

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Neural Control and Coordination Class 11 MCQ Questions with Answer

Class 11 Biology MCQ with answers are given here to Chapter 21 Neural Control and Coordination. These MCQs are based on the latest CBSE board syllabus and relate to the latest Class 11 BIology syllabus. By Solving these Class 11 MCQs, you will be able to analyze all of the concepts quickly in the chapter and get ready for the Class 11 Annual exam.

Learn Class 11 Neural Control and Coordination MCQs with answers pdf free download according to the latest CBSE and NCERT syllabus. Students should prepare for the examination by solving CBSE Class 11 Biology Neural Control and Coordination MCQ with answers given below

Question 1. The vagus nerve is the cranial nerve numbering
(a) 7
(b) 5
(c) 10
(d) 9. 

Question 2. Which cranial nerve has the highest number of branches?
(a) Vagus nerve
(b) Trigeminal nerve
(c) Facial nerve
(d) None of these 

Question 3. Sympathetic nervous system induces
(a) secretion of digestive juices
(b) heart beat
(c) secretion of saliva
(d) all of these. 

Question 4. By which nervous system and of what type, the blood is supplied into visceral organs?
(a) Both SNS and PNS, involuntary
(b) Para-sympathetic nervous system involuntary
(c) Sympathetic nervous system, involuntary
(d) Sympathetic nervous system, voluntary

Question 5. In a man, abducens nerve is injured. Which one of the following functions will be affected?
(a) Movement of the eyeball
(b) Movement of the tongue
(c) Swallowing
(d) Movement of the neck

Question 6. Injury to vagus nerve in humans is not likely to affect
(a) tongue movements
(b) gastrointestinal movements
(c) pancreatic secretion
(d) cardiac movements.

Question 7. Vagus nerve is
(a) X
(b) IX
(c) VII
(d) V.

Question 8. Nissl’s bodies are mainly composed of
(a) proteins and lipids
(b) DNA and RNA
(c) nucleic acids and SER
(d) free ribosomes and RER. 

Question 9. The sympathetic nerves, in mammals, arise from
(a) sacral nerves
(b) 3^rd, 7^th, 9^th and 10^th cranial nerves
(c) thoraco-lumbar nerves
(d) cervical nerves. 

Question 10. One function of parasympathetic nervous system is
(a) contraction of hair muscles
(b) stimulation of sweat glands
(c) acceleration of heart beat
(d) constriction of pupil.

Question 11. Which of the following cranial nerves can regulate heart beat?
(a) X
(b) IX
(c) VIII
(d) VII

Question 12. When a neuron is in resting state i.e., not conducting any impulse, the axonal membrane is
(a) comparatively more permeable to Na⁺ ions and nearly impermeable to K⁺ ions
(b) equally permeable to both Na⁺ and K⁺ ions
(c) impermeable to both Na+ and K⁺ ions
(d) comparatively more permeable to K⁺ ions and nearly impermeable to Na⁺ ions. 

Question 13. Afferent nerve fibres carry impulses from
(a) effector organs to CNS
(b) receptors to CNS
(c) CNS to receptors
(d) CNS to muscles. 

Question 14. The most abundant intracellular cation is
(a) H⁺
(b) K⁺
(c) Na⁺
(d) Ca_⁺⁺.

Question 15. Receptor sites for neurotransmitters are present on
(a) pre-synaptic membrane
(b) tips of axons
(c) post-synaptic membrane
(d) membranes of synaptic vesicles. 

Question 16. During the propagation of a nerve impulse, the action potential results from the movement of
(a) K⁺ ions from intracellular fluid to extracellular fluid
(b) Na⁺ ions from extracellular fluid to intracellular fluid
(c) K⁺ ions from extracellular fluid to intracellular fluid
(d) Na⁺ ions from intracellular fluid to extracellular fluid.

Question 17. Alzheimer’s disease in humans is associated with the deficiency of
(a) glutamic acid
(b) acetylcholine
(c) gamma aminobutyric acid (GABA)
(d) dopamine. 

Question 18. Myelin sheath is produced by
(a) astrocytes and Schwann cells
(b) oligodendrocytes and osteoclasts
(c) osteoclasts and astrocytes
(d) Schwann cells and oligodendrocytes.

Question 19. What used to be described as Nissl’s granules in a nerve cell are now identified as
(a) cell metabolites
(b) fat granules
(c) ribosomes
(d) mitochondria. 

Question 20. Which of the following statement is correct for node of Ranvier of nerve?
(a) Neurilemma is discontinuous.
(b) Myelin sheath is discontinuous.
(c) Both neurilemma and myelin sheath are discontinuous.
(d) Covered by myelin sheath. 

Question 21. Parkinson’s disease (characterized by tremors and progressive rigidity of limbs) is caused by degeneration of brain neurons that are involved in movement control and make use of eurotransmitter
(a) acetylcholine
(b) norepinephrine
(c) dopamine
(d) GABA. 

Question 22. In the resting state of the neural membrane, diffusion due to concentration gradients, if allowed, would drive
(a) K⁺ into the cell
(b) K⁺ and Na⁺ out of the cell
(c) Na⁺ into the cell
(d) Na⁺ out of the cell. 

Question 23. Depolarization of axolemma during nerve conduction takes place because of
(a) equal amount of Na⁺ and K⁺ move out across axolemma
(b) Na+ move inside and K⁺ move more outside
(c) more Na+ outside
(d) none of these.

Question 24. The Nissl’s granules of nerves cell are made up of
(a) DNA
(b) RNA
(c) ribosome
(d) protein

Question 25. During the transmission of nerve impulse through a nerve fibre, the potential on the inner side of the plasma membrane has which type of electric charge?
(a) First positive, then negative and continue to be negative
(b) First negative, then positive and continue to be positive
(c) First positive, then negative and again back to positive
(d) First negative, then positive and again back to negative. 

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Question 26. Which one of the following does not act as a neurotransmitter?
(a) Cortisone
(b) Acetylcholine
(c) Epinephrine
(d) Norepinephrine

Question 27. The junction between the axon of one neuron and the dendrite of the next is called
(a) constant bridge
(b) junction point
(c) a joint
(d) a synapse.

Question 28. Which of the following is regarded as a unit of nervous tissue?
(a) Neurons
(b) Myelin sheath
(c) Axons
(d) Dendrites 

Question 29. Which part of the brain is responsible for thermoregulation?
(a) Medulla oblongata
(b) Cerebrum
(c) Hypothalamus
(d) Corpus callosum

Question 30. Which of the following regions of the brain is incorrectly paired with its function?
(a) Corpus callosum – communication between the left and right cerebral cortices
(b) Cerebrum – calculation and contemplation
(c) Medulla oblongata – homeostatic control
(d) Cerebellum – language comprehension

Question 31. Injury localized to the hypothalamus would most likely disrupt
(a) short – term memory
(b) co-ordination during locomotion
(c) executive functions, such as decision making
(d) regulation of body temperature.

Question 32. Which one of the following is the example of the action of the autonomous nervous system?
(a) Swallowing of food
(b) Pupillary reflex
(c) Peristalsis of the intestine
(d) Knee-jerk response 

Question 33. The human hind brain comprises three parts, one of which is
(a) spinal cord
(b) corpus callosum
(c) cerebellum
(d) hypothalamus. 

Question 34. Which part of human brain is concerned with the regulation of body temperature?
(a) Cerebellum
(b) Cerebrum
(c) Hypothalamus
(d) Medulla oblongata

Question 35. Third ventricle of brain is also known as
(a) metacoel
(b) rhinocoel
(c) paracoel
(d) diacoel.

Question 36. Destruction of the anterior horn cells of the spinal cord would result in loss of
(a) commissural impulses
(b) integrating impulses
(c) sensory impulses
(d) voluntary motor impulses. 

Question 37. Choose the correct statement.
(a) Nociceptors respond to changes in pressure.
(b) Meissner’s corpuscles are thermoreceptors.
(c) Photoreceptors in the human eye are depolarised during darkness and become hyperpolarised in response to the light stimulus.
(d) Receptors do not produce graded potentials.

Question 38. Photosensitive compound in human eye is made up of
(a) opsin and retinol
(b) transducin and retinene
(c) guanosine and retinol
(d) opsin and retinal. 

Question 39. The nerve centres which control the body temperature and the urge for eating are contained in
(a) hypothalamus
(b) pons
(c) cerebellum
(d) thalamus. 

Question 40. Ivan Pavlov performed experiments on
(a) simple reflexes
(b) conditioned reflexes
(c) cardiac reflexes
(d) origin of life. 

Question 41. The transparent lens in the human eye is held in its place by
(a) ligaments attached to the ciliary body
(b) ligaments attached to the iris
(c) smooth muscles attached to the iris
(d) smooth muscles attached to the ciliary body.

Question 42. In mammalian eye, the ‘fovea’ is the center of the visual field, where
(a) only rods are present
(b) more rods than cones are found
(c) high density of cones occur, but has no rods
(d) the optic nerve leaves the eye. 

Question 43. A gymnast is able to balance his body upside down even in the total darkness because of
(a) tectorial membrane
(b) organ of corti
(c) cochlea
(d) vestibular apparatus.

Question 44. Which of the following receptors are specifically responsible for maintenance of balance of body and posture?
(a) Basilar membrane and otoliths
(b) Hair cells and organ of corti
(c) Tectorial membrane and macula
(d) Crista ampullaris and macula

Question 45. When we migrate from dark to light, we fail to see for sometime but after a time visibility becomes normal. It is example of
(a) accomodation
(b) adaptation
(c) mutation
(d) photoperiodism.

Question 46. Sensitive pigmented layer of eye is
(a) cornea
(b) retina
(c) sclerotic
(d) iris.

Question 47. Bowman’s glands are located in the
(a) anterior pituitary
(b) female reproductive system of cockroach
(c) olfactory epithelium of our nose
(d) proximal end of uriniferous tubules. 

Question 48. Which of the following statements is the characteristics of human cornea?
(a) It is secreted by conjuctiva and glandular layer.
(b) It is a lacrimal gland which secrete tears.
(c) Blood circulation is absent in cornea.
(d) In old age it becomes the cause of cataract.

Question 49. Which part of the human ear plays no role in hearing as such but is otherwise very much required?
(a) Eustachian tube
(b) Organ of corti
(c) Vestibular apparatus
(d) Ear ossicles

Question 50. Bowman’s glands are found in
(a) juxtamedullary nephrons
(b) olfactory epithelium
(c) external auditory canal
(d) cortical nephrons only. 

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