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Gates in the membrane for the transport of substances are of …….types.
a) two             
b) three           
c) four
d) many

a

Explanation 1. Voltage regulated gates and 2. Non-voltage regulated gates



Membrane potential is exhibited in ……..different forms.
a) two 
b) three           
c) four
d) many

a

Explanation 1. Resting membrane potential and 2. Active membrane potential



Which of the following is/are charge separating barrier for negative and positive charges?
a) plasma membrane 
b) tonoplast
c) neuron membrane
d) all of these

c

Which of the following is/are the characteristic/s of resting potential membrane (RMP)?
a) more positive outside        
b) more negative inside
c) neuron is at rest      
d) all of these

d

Explanation this state is also known as polarized state



The potential generally measures about… millivolts during resting membrane potential.
a) 30   
b) 40               
c) 50               
d) 70

d

Explanation The resting membrane potential is expressed as -70 mV due more negative inside the membrane



What is the potential of membrane when it is not conducting an impulse?
a) -10mV                    
b) -20mV
c) -70mV                    
d) -90mV

c

Explanation minus sign shows that more negative inside than outside the membrane of neuron



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