CIE iGCSE Co-Ordinated Science B13.1 Coordination and response Exam Style Questions Paper 2
Question
What are examples of involuntary actions?
1 widening of the pupil in dim light
2 increasing the pulse rate during exercise
3 contracting muscles to pick up a pencil
(A) 1, 2 and 3
(B) 1 and 2 only
(C) 1 and 3 only
(D) 2 and 3 only
▶️Answer/Explanation
Ans : B
Question
A person looks at a tree in the distance and then starts to read a book. Which changes occur in the eye to enable the person to read their book?
▶️Answer/Explanation
Ans : A
Question
A person touches a hot object and pulls their hand away. This is a reflex action. What is the pathway for the reflex action?
(A) stimulus → motor neurone → relay neurone → sensory neurone →response
(B) stimulus →relay neurone → motor neurone → sensory neurone → response
(C) stimulus → sensory neurone → relay neurone → motor neurone → response
(D) stimulus→ sensory neurone → motor neurone → relay neurone → response
▶️Answer/Explanation
Ans: C
Question
The diagram shows a neurone and associated structures.
Which type of neurone is shown and in which direction do impulses travel?
▶Answer/Explanation
Ans :A