Class 8th Science MCQs

Class 8th Science MCQs

The unit of nervous system is_________

A) Neuron

B) Nephron

C) Hormone

D) Both A and B

 

The collection of neuron cell bodies is called grey matter_______

A) White matter

B) Grey matter

C) Spinal cord

D) Nerve cells

 

The collection of axons is called_______

A) White matter

B) Grey matter

C) Myelin sheath

D) Red matter

 

 

The colour of white matter is due to __________

A) Myelin sheath

B) Cell bodies

C) Break down of neurons

D) All of the above

 

Sudden response to a stimulus is called ______

A) Pseudo response

B) Voluntary response

C) Refractive index

D) Reflex action

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