Page 43 - Ranger SPM 2022 - Science

Science SPM SPM Model Paper
4. Ariq has a SEGAK test at school. He 7. Which of the following is correct about
obtained his information as below. chromosomes?
A The basic unit of inheritance that
Body mass: 70 kg determines individual characteristics
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Height: 170 cm B Consists of a basic unit of
nucleotides
C Fine thread-like structures which
Calculate Ariq’s Body Mass Index consist of nucleic acids and
(BMI). proteins
A 24.2 kg m –2 D Consists of two twisted antiparallel
B 41.2 kg m –2 polynucleotide chains
C 33.1 kg m –2
D 18.6 kg m –2 8. Which of the following is correct about
meiosis and mitosis?
5. Which of the following is correct about
Green Technology? Mitosis Meiosis
A Increases waste production
B Helps to control environmental A Has variation No variation
quality degradation B Cell division
C Increases greenhouse gases occurs only Cell division
D Increases the use of natural once occurs twice
resources
C Crossing over Crossing over
6. Figure 2 shows the energy efficiency occur does not occur
label found on electrical and electronic D Involves
equipment. reproductive Involves
cells somatic cells

9. Figure 3 shows the inheritance of
traits for the presence of dimples.
P represents the dominant gene
for the presence of dimples while p
represents the recessive gene for the
absence of dimples.
Figure 2 Has No
dimples dimples
What conclusions can be drawn about
the number of stars on the label? Parents : Pp pp
A The label shows the average
energy consumption per year. Gametes: P p p p
B The most efficient number of stars
is 3 stars on electrical appliances. Offspring:
C The more stars, the higher the
energy efficiency. Figure 3
D The fewer stars, the more you How many children have dimples?
save on electricity consumption. A 1 C 3
B 2 D 4

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