SPM Science 2018, Paper 2 (Question 5 & 6)


Question 5:
Diagram 5 shows a schematic diagram for the inheritance of mice’s fur colour.

Diagram 5



(a) In Diagram 5, complete the genotype of parent R and offspring S. [2 marks]

(b) Name process A. [1 mark]

(c) Based on Diagram 5, state the ratio of black fur mice to white fur mice. [1 mark]


(d) Match the following terms with their correct definition. [2 marks]



Answer:
(a)
R : Hh
S : Hh

(b)
Meiosis

(c)
2 : 2

(d)
Dominant gene = Gene that shows its effect even with the presence of opposite traits gene.
Genotype = Genetic composition of an organism


Question 6:
Diagram 6 shows the cross section of an oil palm fruit.
Diagram 6



(a) Based on Diagram 6, state the part that contains oil with the highest quality. [1 mark]

(b) Complete the flow chart of extraction process of palm oil. [2 marks]


(c) There are several types of cooking oil in the market.
Give three reasons why you should use palm oil as your cooking oil. [3 marks]


Answer:
(a) Kernel

(b)


(c)
1. Does not contain cholesterol
2. Contain beta-carotene
3. Can prevent cancer



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