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)