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CIE iGCSE Co-Ordinated Science B13.3 Homeostasis Exam Style Questions Paper 1

CIE iGCSE Co-Ordinated Science B13.3 Homeostasis Exam Style Questions Paper 1

Question

The diagram shows a section through the skin.

Which labelled structures help to maintain body temperature in the cold?

A  1 and 3            1 and 4           2 and 3          D  3 and 4

▶️Answer/Explanation 

Ans :A

Question

The graph shows the variation of body temperature over time of a healthy person at rest.

How will the body reverse the temperature change shown between times X and Y?
(A)  decreased breathing rate
(B)  decreased pulse rate
(C)  shivering
(D)  sweating

▶️Answer/Explanation

Ans: D

Question

A person leaves an air conditioned building.
The temperature of the air conditioned building is 16 ºC.
The outside temperature is 39 ºC.
Which statement describes one response to the change in temperature?
A The blood detects the change in temperature and the person starts to shiver.
B The blood detects the change in temperature and the person starts to sweat.
C The brain detects the change in temperature and the person starts to shiver.
D The brain detects the change in temperature and the person starts to sweat.

▶️Answer/Explanation

Ans : D

Question

The diagram shows a section through the skin.

Which row contains the correct names of the structures labelled P, Q and R?

▶️Answer/Explanation

Ans:  C

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