NEURAL CONTROL AND COORDINATION

 

Q171.Activities of cerebellum are 

(1) All involuntary but may involve learning in their early stage 

(2) All voluntary and may involve learning in their early stage 

(3) All voluntary and do not involve leaming in their early stage 

(4) All involuntary and do not involve learning in their early stage

Ans.1

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Q172.Which of the following component is not common in all types of spinal reflexes

(1) Receptor

(2) Interneuron 

(3) Effector 

(4) Sensory neuron 

Ans.2

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Q173.Which is a function of parasympathetic nervous system? 

(1) Acceleration of heart beat 

(2) Stimulation of sweat gland 

(3) Construction of pupil

(4) Sensory neuron

Ans.3

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Q174.Which one is not a reflex action? 

(1) Closing the eye lids suddenly 

(2) Obeying an order 

(3) Release of saliva

(4) Pupillary constriction

Ans.2

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Q175.In moonlight we cannot see colours, because 

(1) Cones and rods are equally functional

(2) Only rods are functional 

(3) Depolarisation at cone cells 

(4) Only rods are functional

Ans.4

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Q176.Arrange the following regarding mechanism of vision 

(1) Absorption of visible wavelength of light by rods and cones 

(2) Change in the permeability of photoreceptors cells 

(3) Dissociation of retinal form opsin 

(4) Generation of action potential in the ganglionic cell 

(1) a, b, c, d 

(2) a, c, b, d 

(3) a, d, b, c 

(4) a, c, d, b 

Ans.2

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Q177.Suspensory ligament is highly tense when, 

(1) Object is very near 

(2) Object is at infinity 

(3) Tension of suspensory ligament is independent of the distance of an object

(4) Ciliary muscles fully contract 

Ans.2

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Q178.Krause's end bulbs are the skin receptors which are concerned with the sense of 

(1) Touch 

(2) Heat 

(3) Pressure 

(4) Cold 

Ans.4

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Q179.Which of the following function is not associated with middle ear? 

(1) Amplification of sound wave 

(2) Equilibrium of air pressure 

(3) Transmission of sound wave from external ear to internal air 

(4) Maintaining Static equilibrium 

Ans.4

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Q180.In tympanic cavity there is an aperture in which stapes fits. It is called the

(1) Foramen rotundus 

(2) Foramen of Magendie 

(3) Foramen of Monro 

(4) Fenestra ovalis

Ans.4

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