Biology MCQs

Page No. 48

Type of neurons found exclusively in CNS are_____________?


aSensory neurons


bMotor neurons


cAssociative neurons


dNone of these


View Answer Associative neurons

Secretin is a hormone produced by___________?


aStomach


bLiver


cPancreas


dDuodenum


View Answer Duodenum

Which of the following statement about neuron is incorrect___________________?


aThey not only conduct impulses but also generate them


bThey are not the only cellular component of nervous system


cThey may show limited regenerative capabilities


dLike all the living cell, when they mature and divide to form similar cells



All of the following are similarities between nervous and endocrine system except:_____________?


aProduce chemical messengers


bRelease chemical messengers in extracellular space


cHomestatic in function


dHaving slow but prolonged effects



Nissl’s granules are present in which part of the neuron_________________?


aAxoplasm


bMyelin sheath


cDendrite


dSoma


View Answer Soma

Types of behaviour enabling pillbugs to reach moist area is___________?


aKinesis


bTaxes


cInstinct


dLearning


View Answer Kinesis

____________ was first to propose an objective definition of instinct.


aThorpe


bDarwin


cPavlov


dKohler


View Answer Darwin

____________ is simplest form of learning.


aImprinting


bHabituation


cInsight learning


dLatent learning


View Answer Habituation

Which type of sensory structures carry deep pressure and vibration sensations______________?


aHair end organs


bMeissner’s Corpuscles


cPacinian corpuscles


dnone of these


View Answer Pacinian corpuscles

Which type of sensory structures carrying the touch sensations are present in papillae extending into ridges of the fingertips___________________?


aHair end organs


bMeissner’s Corpuscles


cPacinian corpuscles


dNone of these



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