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1. Which of the following must be done
first before making a hypothesis?
I Making an inference
II Identifying variables
III Controlling variables
A I and II only
B I and III only
C II and III only
D I, II and III
2. What is the step after collecting data?
A Writing report
B Analysing data
C Making hypothesis
D Making conclusion
3. What is the responding variable in an
experiment?
A The quantity which is determined
earlier
B The quantity which is measured
during the experiment
C The quantity which is unchanged
D The quantity which cannot be
determined.
4. Identify the correct technique is
important while planning an
investigation because
I Data can be collected accurately
II It is to avoid unnecessary hassle
III Data can be collected faster
A I only
B I and III only
C II and III only
D I, II and III
5. Which of the noble values must be
practiced when writing a report of an
investigation?
A Curious
B Hardworking
C Flexible
D Systematic
6.
The figure above shows a system in a
human body. What is the system?
A Digestive system
B Nervous system
C Endocrine system
D Lymphatic system
7. Which of the following are true about
the nervous system?
I The responses are fast and short
II The responses are slow and last
longer
III It involves the transmission of
electrical impulses
A I and II only
B I and III only
C II and III only
D I, II and III
SMK JULAU (YEB 6201)
SCIENCE FORM 4
2nd
Mid-term Examination
Instructions : Question 1 to Question 30 are followed by four options A, B, C and D. Choose
the best option for each question.
Answer all questions.
2
8. Response are slow
It may last for a long period
It involves the secretion of
hormones
Which of the following systems has the
above criteria?
A Blood circulation system
B Endocrine system
C Nervous system
D Respiration system
9. What will happen if the medulla
oblongata of a person is injured?
A He will lose his sense of balance
B He will not be able to execute
voluntary action
C He will experience paralysis of the
limbs
D He will lose his life
10. What are the hormones being injected
into a diabetes sufferer?
A Thhyroxine
B Glucagon
C Insulin
D Oxytocin
11. What are the hormones secreted by the
ovary?
I Oestrogen
II Progesterone
III Testosterone
A I and II only
B I and III only
C II and III only
D I, II and III
12. Which of the chromosomes control the
gender of an organism?
I Autosomes
II XY chromosomes
III XX chromosomes
A I and II only
B I and III only
C II and III only
D I, II and III
13. Aini and Aminah are twins. Which of
the following may not be the same for
both of them?
A Blood group
B Ability to roll tongue
C Type of finger print
D Height
14. Which of the following is not true about
albinos?
A They cannot produce melanin
B They have fair skin, white hair and
pink eyes
C They have slanted eyes
D They are prone to skin cancer
15.
The figure above shows an inheritance
of colour blindness of a normal male
who marries a normal female (carrier).
What is the percentage their new-borne
son will be colour blind?
A 25 %
B 50 %
C 75 %
D 100 %
16. Which of the following techniques are
used in selective breeding?
I Artificial insemination
II Embryo transplantation
III Cloning
3
A I and II only
B I and III only
C II and III only
D I, II and III
17. What are the chromosomes present in
the baby boy?
A 44 chromosomes and 2 X sex
chromosomes
B 44 chromosomes, 1 X and 1 Y sex
chromosomes
C 22 chromosomes and 1 Y sex
chromosome
D 22 chromosomes and 1 X sex
chromosome
18. What is the percentage of a couple to get
a male child during a pregnancy?
A 25%
B 50%
C 75%
D 100%
19. Which of the following statements is
true regarding the trait of thumb prints
I It is a continuous variation
II It is a discontinuous variation
III It is caused by genetic factor
A I and II only
B I and III only
C II and III only
D I, II and III
20. Which of the following is continuous
variation?
A Hair texture
B Tongue rolling
C Thumb shape
D Skin colour
21. The elements in the Periodic Table are
grouped according to its
A nucleon number
B proton number
C number of electrons
D number of neutrons
22. A negative ion is formed when an atom
A gains electron
B loses electron
C gains proton
D loses proton
23. The table below shows sub-atomic
particles in atoms X and Y.
X Y
Number of
protons
11 11
Number of
electrons
11 11
Number of
neutrons
12 13
Which of the following about X and Y
are true?
I The nucleon number of X is 22.
II The proton number of Y is 11.
III Atom X and Y are isotopes.
A I and II only
B I and III only
C II and III only
D I, II and III
24. An element X is represented by the
symbol
11X5
. What is the number of
neutrons present in an atom X?
A 5
B 6
C 11
D 16
4
25.
Addition of salt to water will
A increase both its melting point and
boiling point.
B decrease both its melting point and
boiling point.
C increase its melting point but
decrease its boiling point.
D decrease its melting point but
increase its boiling point.
26.
The figure above shows the changes in
the state of matter.
Name the process I, II and III.
I II III
A Melting Sublimation Boiling
B Freezing Evaporation Condensation
C Melting Sublimation Condensation
D Freezing Sublimation Boiling
27. Particles Number of
protons Number of
electrons Number
of
neutrons
W 11 10 12
X 13 13 14
Y 17 18 18
Z 19 19 20
The table above shows the number of
sub-atomic particles in four particles.
Which of the above particles is
positively charged?
A W
B X
C Y
D Z
28. An ion
A has different number of protons and
neutrons
B has different number of neutrons
and electrons.
C has different number of protons and
electrons.
D has the same number of neutrons
and protons.
29. A mixture of ethanol and water can be
separated by
A distillation
B evaporation
C crystallization
D filtration
30.
The figure above shows the positions of
four elements in the Periodic Table.
Which of the statements below is true?
I X is a noble gas.
II Y conducts electricity.
III Z is a transition metal.
A III only
B I and II only
C I and III only
D II and III only
