Human Nervous System (Structured Questions)


Question 1:
Diagram 1 shows the structure of a neurone.

(a) Based on the diagram, mark (\/) the type of neurone in the box provided.


(b)(i) Name P.
(b)(ii) State two functions of P.
1._____________________
2._____________________
(c) Name Q.
(d) Diagram 2 shows the pathway of an impulse.


Mark (\/) the location of neurone in Diagram 2.

Answer
:
(a)


(b)(i)
Dendrite

(b)(ii)
1. Receives impulse from other neurones.
2. Transmits impulses to the cell body via the dendron.

(c)
Effector or muscle fibres

(d)




Question 2:
Diagram 1 shows two types of neurones.

(a) Name the type of neurone shown in Diagram 1.
(i) Neurone P:__________
(ii) Neurone Q:__________
(b) Name the structure labelled X at neurone Q.
(c) What is the function of structure X?
(d) Fill in the boxes below with the correct neurone for the impulse pathway.



Answer:
(a)(i) Neurone P: Sensory neurone
(a)(ii) Neurone Q: Motor neurone

(b)
X = axon

(c)
X transmits impulses from the cell body to an effector.
For example: A muscle or a gland.

(d)



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