Question

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 :   First negative, then positive and again back to negative

Releted MCQ Question on
Zoology >> Neural Control and Coordination

Releted Question 1

Which of the following structures or regions is incorrectly paired with its functions?

A. Medulla oblongata : controls respiration and cardiovascular reflexes
B. Limbic system : consists of fibre tracts that interconnect different regions of brain; controls movement
C. Corpus callosum : band of fibers connecting left and right cerebral hemispheres
D. Hypothalamus : production of releasing hormones and regulation of temperature, hunger and thirst
Releted Question 2

Nissl bodies are mainly composed of

A. Proteins and lipids
B. DNA and RNA
C. Free ribosomes and RER
D. Nucleic acids and SER
Releted Question 3

Myelin sheath is produced by :

A. Astrocytes and Schwann cells
B. Oligodendrocytes and Osteoclasts
C. Osteoclasts and Astrocytes
D. Schwann cells and Oligodendrocytes
Releted Question 4

Receptor sites for neurotransmitters are present on :

A. Pre-synaptic membrane
B. Tips of axons
C. Post-synaptic membrane
D. Membrane of synaptic vesicles

Practice More Releted MCQ Question on
Neural Control and Coordination


Practice More MCQ Question on Biology Section