Top 80+ Solved Neural Control and Coordination in Animals MCQ Questions Answer
Q. Which of the following is used to measure membrane potential ?
a. Sphigmomanometer
b. Thermometer
c. Voltmeter
d. Galvanometer
Q. What is responsible for the opening and closing of ion-channel ?
a. Electrical changes & Chemical Changes
b. More Na+ Conc out side of plasma membrane
c. More K+ Conc innerside of plasma membrane
d. On both Side of membranes Na+ and K+ are in equal proportion
Q. What does "a" and "b" indicate in the given diagram ?
a. a = Synaptic bulb b = Phagocgtosis
b. a = Presynaptic b = Phagocytosis
c. a = Synaptic gap b = Secretion of neurotranmetter
d. a = Presynaptic bulb b = Secretion neurotranmitter
Q. What does “a” indicate in the given diagram
a. Repolarization
b. Depolarization
c. Resting potential
d. Activation of Na+ and K+ pump
Q. In context with conduction of nerve impulse,what is the function of ion channels ?
a. Maintenance and change in electric potential
b. Transport of ions against diffusion gradient
c. Transport of Na+ ion to the innerside of a the membrane
d. All of the given
Q. When sodium and potassium pump is activated, for (a) Na+ ion, (b) K+ ion are exchanged ?
a. a = one , b= two
b. a = two, b= four
c. a = two , b= three
d. a = one, b= three
Q. The transfer of ion through ion channel is (a) and (b)
a. a = Bidirectional, b= selectively permeable
b. a =Unidirectional, b= permeable
c. a = Bidirectional , b= semi permeable
d. a = Unidirectional, b= selectively permeable
Q. What is the swollen, structure present at terminal end of each branch of nerve cell called ?
a. Synaptic cleft
b. synaptic vessicle
c. synapse
d. synaptic knob
Q. Which option is correct for the correctly matched groups for the column i;column ii and columnColumn I Column II Column III(a) Resting membrane (i) Na+ Channel get open (e) Na+ and k + pumps are responsible protential for it(b) Active potential (ii) Na+ Channel is closed (f) Last for very short time(c) Depolarization (iii) Na+ ions are more on (g) k + ions move on outerside outer side of membranes(d) Repolarization (iv) K + ions are more on outer (h) Positive charge of inner side of side of membrane membrane
a. (a-iv-f) (b-iii-e) (c-ii-h) (d-i-g)
b. (a-iv-e) (b-iii-f) (c-ii-g) (d-i-h)
c. (a-iii-e) (b-iv-f) (c-i-h) (d-ii-g)
d. (a-ii-h) (b-i-g) (c-iii-e) (d-iv-f)
Q. Which of the following generally transumit nerve inpulse only to the cyton ?
a. Axon
b. Dendrite
c. Synaptic knob
d. Node of Ranvier
Q. What is correct in reference with nerve impulse ?
a. Self-induced and unidirectional
b. Selt-induced and bidirectional
c. Electric potential in the nerve by region increase
d. Ion channel get closed in this region.
Q. ____________ is wraped by cerebrum ?
a. Thalamu
b. Hypothalamus
c. Cerebellar hemisphere
d. Mid- brain
Q. The weight of human brain is a and b neuron in it.
a. a = 1000 to 1100g
b. a = 1200 to 1400g b =1000 billion b = 100 billion
c. a = 800 to 1000g
d. a = 1200 to 1400g b = 1000 million b = 100 million
Q. Which of the follwing is a thin transparent nonvasscular meninges around CNS ?
a. Dura mater
b. Pia mater
c. Arachnoid
d. Grey matter
Q. Which of the following option is the correct option for the inner most meninges of CNS ?
a. very Thick and tough
b. Thin and vascularized
c. Highly vascularized
d. Thin non vascularized