Page 45 - Ranger SPM 2022 - Science

Science SPM SPM Model Paper
In your opinion, which endocrine gland A 2.4
is involved in such a situation? B 2.2.2
A P C 0.2.4
B Q D 6
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C R
D S 18. Which of the following is correct about
the use of isotopes in daily life?
15. The following information shows two A Carbon-12 is used to determine
examples of drugs. the age of fossils and artifacts.
B Cobalt-60 is used to kill bacteria in
• Ketamine food.
• Lysergic acid diethylamide C Uranium-235 is used in agriculture.
D Sodium-24 is used to control the
Which of the following are the effects thickness of paper, plastic and
of the abuse of the drugs above? metal.
A Causes fatigue
B Slows down responses towards 19. Figure 9 shows an airplane made of
stimuli P which is a light and strong material.
C Speeds up the impulse transmission
D Causes hearing of voices and
seeing objects that are non-
existent
16. An atom is the most basic unit in an Figure 9
element. Which of the following shows
an example of such a material? What is P?
A River water A Duralumin
B Carbon dioxide in the air B Steel
C Salt C Pewter
D Gold bars D Cupronickel

17. Figure 8 shows the electron 20. Figure 10 shows two materials that
arrangement of atom X. It is given that have a similar physical property.
the number of protons for X is 6.

X

Figure 8
Which of the following is the electron Figure 10
arrangement for element X?

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SPM Model Paper .indd 328 3/21/22 4:04 PM