Page 56 - Ranger SPM 2022 - Science

Science SPM SPM Model Paper
Design a simple cell to light up the bulb. Label your diagram.

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[3 marks]
Section C

[22 marks]

Answer Question 11 and either Question 12 or 13.
11. Study the following information.

A patient with high fever due to a bacterial infection who is treated with an antibiotic
will recover quicker than a patient who is not treated with the antibiotic.

(a) State one problem statement from the above information.
[1 mark]

(b) Suggest one hypothesis to investigate the above statement.
[1 mark]
(c) Based on the given statement, design a laboratory experiment to test your
hypothesis by using sterile nutrient agar, two filter paper discs (of diameter 6 mm),
penicillin solution (30% concentration), cellophane tape, two Petri dishes with
covers, distilled water, syringe, sterile forceps and a ruler.
Your description should include the following aspects:
(i) Aim of experiment [1 mark]
(ii) Identification of variables [2 marks]
(iii) Procedure or method [4 marks]

(iv) Tabulation of data [1 mark]

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