Page 29 - Ranger SPM 2022 - Science

Science SPM Chapter 10 Chemicals in Medicine and Health
9. Figure 1 shows a type of health A The active component in the
product. product
B The natural component
C The main component in the product
D The component which has an effect
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on health
10. Why do consumers take a health
product?
A To complement their diet
Figure 1 B To cure an acute disease
C To absorb excess nutrients
What is the meaning of the active D To reduce the need for physical
ingredients listed on the bottle label? exercise Form 4

Subjective Questions

Section A (b) State the following variables of
the experiment.
1. Figure 1 shows an experiment to study (i) Manipulated variable
the oxidation rates of apple slices using
different types of solutions. (ii) Responding variable
[2 marks]
Apple
slice (c) What is the function of the apple
slice in the Petri dish?
[1 mark]

Section B
Petri Sugar Lemon
dish solution juice 2. (a) State one example for each of
A B C the following types of medicine.
Figure 1 (i) Complementary medicine
(a) Observe the colour changes of (ii) Modern medicine
the apple slices. Record your [2 marks]
observations in Table 1.
(b) Traditional medicine is chosen to
Table 1 treat a chronic illness.
Set Observation What are the advantages of
A Exposed to air traditional medicine over other
type of medicine? [2 marks]
Immersed in sugar
B
solution
Immersed in lemon
C
juice
[2 marks]

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F4 Chapter 10.indd 147 3/21/22 3:24 PM