Question
The diagram shows the human nervous system.
Answer/Explanation
Ans: D
Question
What is the pathway of a reflex arc from the receptor to the effector?
A motor neurone relay neurone sensory neurone
B motor neurone sensory neurone relay neurone
C sensory neurone motor neurone relay neurone
D sensory neurone relay neurone motor neurone
▶️Answer/Explanation
Ans:D
Question
The diagrams show three types of neurones.
Which sequence shows the direction that impulses will travel during a reflex action?
A) L → M → N
B) M → L → N
C) M → N → L
D) N → M → L
▶️Answer/Explanation
A) L → M → N
Question
What is the order of structures that a nerve impulse travels through during a reflex action?
(A) effector → neurones → receptor
(B) receptor → neurones → effector
(C) neurones → effector → receptor
(D) receptor → effector → neurones
▶️Answer/Explanation
Ans: B