We have compiled the NCERT MCQ Questions for Class 11 Biology Chapter 21 Neural Control and Coordination with Answers Pdf free download covering the entire syllabus. Practice MCQ Questions for Class 11 Biology with Answers on a daily basis and score well in exams. Refer to the Neural Control and Coordination Class 11 MCQs Questions with Answers here along with a detailed explanation.
Neural Control and Coordination Class 11 MCQs Questions with Answers
Question 1.
Which one of the following diseases in man belongs to the same category as haemophilia
(a) Hyper matropia
(b) Rabies
(c) Night blindness
(d) Colour blindness
Answer
Answer: (d) Colour blindness
Question 2.
If the source of bright light in front of eye suddenly become bright
(a) Focus of lens changes
(b) Pupil contract
(c) Vitreous humor becomes liquid like
(d) Retina blood supply is cut-off
Answer
Answer: (a) Focus of lens changes
Question 3.
Aperture of an eye can be changed by
(a) Aquous humor
(b) Vitreous humor
(c) Ciliary muscles
(d) Iris
Answer
Answer: (d) Iris
Question 4.
Thermo regulatory center in human brain is :-
(a) Pituitary
(b) Diencephalon
(c) Hypothalamus
(d) None of the above
Answer
Answer: (c) Hypothalamus
Question 5.
Weight of spinal cord is:
(a) 100 gm.
(b) 1400 gm.
(c) 150 gm.
(d) 35 gm.
Answer
Answer: (d) 35 gm.
Question 6.
The most abundant intracellular cation is:
(a) Ca++
(b) H+
(c) K+
(d) Na+
Answer
Answer: (c) K+
Question 7.
Number of cranial nerves in human:
(a) 12 Cranial Nerves
(b) 24 Cranial Nerves
(c) 11 Cranial Nerves
(d) 29 Cranial Nerves
Answer
Answer: (a) 12 Cranial Nerves
Question 8.
Hyalocytes cells occurs in
(a) Aqueous humor
(b) Vitreous humor
(c) Both of the above
(d) None of the above
Answer
Answer: (b) Vitreous humor
Question 9.
If cerebral hemispheres of rabbit are removed, then it will :-
(a) Die immediately
(b) Die after some time
(c) Behave normally
(d) Stop feeding
Answer
Answer: (b) Die after some time
Question 10.
Lower part of filum terminale has only:
(a) Piamater
(b) Duramater
(c) Arachnoid
(d) All of the above
Answer
Answer: (a) Piamater
Question 11.
Outer most covering of brain is called:
(a) Choroid
(b) Duramater
(c) Piamater
(d) Arachnoid
Answer
Answer: (b) Duramater
Question 12.
In the process of eye donation, a particular part of a dead man’s eye is stored and grafted on another person’s eye to restore vision. That donated part of the eye is:
(a) Retina
(b) Lens
(c) Cornea
(d) Sclera
Answer
Answer: (c) Cornea
Question 13.
Piamater is:
(a) Inner most meninge
(b) Middle meninge
(c) Outer meninge
(d) None of the above
Answer
Answer: (a) Inner most meninge
Question 14.
Injury to vagus nerve in humans is not likely to affect:
(a) tongue movements
(b) gastrointestinal movements
(c) pancreatic secretion
(d) cardiac movements
Answer
Answer: (a) tongue movements
Question 15.
Night blindness is caused due to
(a) Hypermatropia
(b) Myopia
(c) Defective cornea
(d) Deficiency of rhodopsin in rods
Answer
Answer: (d) Deficiency of rhodopsin in rods
Question 16.
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 change?
(a) First positive, then negative and continue to be positive
(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
Answer
Answer: (d) First negative, then positive and again back to negative
Question 17.
Which one of the following menix is present only in mammalian brain:
(a) Duramater
(b) Arachnoid
(c) Piamater
(d) None of the above
Answer
Answer: (b) Arachnoid
Question 18.
Ciliary muscles are found in
(a) Junction of choroids and iris in eye ball
(b) Inside larynx toregulate tension in eye ball
(c) Between ribs to assist in breathing movement
(d) At base of cilia in ciliated epithelium
Answer
Answer: (a) Junction of choroids and iris in eye ball
Question 19.
Septum lucidum is part of the:
(a) Pseudocoel
(b) Metacoel
(c) Diocoel
(d) Rhinocoel
Answer
Answer: (a) Pseudocoel
Question 20.
Meiboniam gland are associated with
(a) Eyes
(b) Ears
(c) Reproductive organ
(d) Skin
Answer
Answer: (a) Eyes
Question 21.
Iodopsin is related with
(a) Brain
(b) Spinal cord
(c) Cones
(d) Kidney
Answer
Answer: (c) Cones
Question 22.
During night when the intensity of light is low, it is detected by
(a) Rods
(b) Cones
(c) Both
(d) Crystalline lens
Answer
Answer: (a) Rods
Question 23.
The focal length of the lens in eye is controlled by
(a) Vitreous humor
(b) Cillary muscles
(c) Iris muscles
(d) Pupil
Answer
Answer: (b) Cillary muscles
Question 24.
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
Answer
Answer: (c) Na+ into the cell
Question 25.
Which part of brain controls emotions like love, anger and pleasure –
(a) M.O.
(b) Hypothalamus
(c) Cerebrum
(d) Cerebellum
Answer
Answer: (b) Hypothalamus
Question 26.
Which part of the brain regulates the body temperature, hunger and water balance :-
(a) Hypothalamus
(b) Infundibulum
(c) Medulla oblongata
(d) Pons veroli
Answer
Answer: (a) Hypothalamus
Question 27.
Four healthy people in their twenties got involved in injuries resulting in damage and death of a few cells of the following. Which of the cells are least likely to be replaced by new cells? [2005]
(a) Liver cells
(b) Neurons
(c) Malpighian layer of the skin
(d) Osteocytes
Answer
Answer: (b) Neurons
Question 28.
Injury localised to the hypothalamus would most likely disrupt
(a) Short term memory
(b) Coordination during locomotion
(c) Executive function, such as decision making
(d) Regulation of body temperature
Answer
Answer: (d) Regulation of body temperature
Question 29.
The gray matter differs from white matter in the :-
(a) Absence of axons
(b) Absence of nurilemma
(c) Presence of myelin sheath
(d) Absence of myelin sheath
Answer
Answer: (d) Absence of myelin sheath
Question 30.
Cavity in spinal cord is called:
(a) Enterocoel
(b) Blastocoel
(c) Schizocoel
(d) Neurocoel
Answer
Answer: (d) Neurocoel
Question 31.
Cerebellum is concerned with
(a) Co-ordination of muscular movement
(b) Memory
(c) Vision
(d) Reflex action
Answer
Answer: (a) Co-ordination of muscular movement
Question 32.
Through which aperture the spinal cord passes out of skull
(a) Foramen of monro
(b) Foramen of paninze
(c) Foramen of magnum
(d) None of the above
Answer
Answer: (c) Foramen of magnum
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