CIE iGCSE Co-Ordinated Science B13.1 Coordination and response Exam Style Questions Paper 1
Question
A plant in a pot is placed on its side in a dark cupboard. The shoots grow upwards.
What is this an example of?
A decomposition
B gravitropism
C photosynthesis
D phototropism
▶️Answer/Explanation
Ans : B
Question
When a seed germinates in the soil, the root grows downwards.
Which type of response is the root exhibiting?
(A) negative gravitropism
(B) negative phototropism
(C) positive gravitropism
(D) positive phototropism
▶️Answer/Explanation
Ans : C
Question
The graph shows the pulse rate over a period of time.
At which point is adrenaline released into the blood?
▶️Answer/Explanation
Ans : A
Question
The graphs show the pupil diameter and heart rate of a person over a period of 30 minutes. The person was given an unexpected shock at one point during the 30 minutes.
At which time did the person experience a shock causing them to release adrenaline?
(A) 5 minutes
(B) 10 minutes
(C) 15 minutes
(D) 25 minutes
▶️Answer/Explanation
Ans: D