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SMK ISKANDAR SHAH
SOALAN CUTI TERANCANG
SCIENCE FORM 4
NAME: _______________________________
FORM:________________________________
SECTION A :OBJECTIVE QUESTIONS
1. Diagram 1 shows the structure of a human brain.Rajah 1 menunjukkan struktur otak manusia.
Diagram 1
Which of the following is the effect of injury in section Q?Antara yang berikut, yang manakah kesan kecederaan pada bahagian Q?
A Deaf C Limbs paralysedPekak Kelumpuhan anggota
B Blind D Lost of body balanceButa Kehilangan imbangan badan
2. A muscle cell of an animal has 32 chromosomes. Which of the followingrepresents the number of chromosomes in that animal testis and ovary?Sel otot sejenis haiwan mempunyai 32 kromosom. Antara yang berikut, yangmanakah mewakili bilangan kromosom testis dan ovari haiwan tersebut?
TestesTestis
OvaryOvari
A 16 32B 16 16
C 32 16
D 32 32
3. Diagram 3 shows a change in the state of matter.Rajah 3 menunjukkan perubahan keadaan jirim.
Diagram 3
Q
IceAis
SteamStim
WaterAir
X Y
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A. Heating a piece of limestone stronglyMemanaskan sekeping batu kapur dengan kuat
B. Iron filings allowed to rust in open airBesi dibiarkan berkarat di udara
C. Heating some naphthalene in a test tube
Memanaskan naftalena di dalam tabung ujiD. Formation of glucose in the process of photosynthesis
Pembentukan glukosa dalam proses fotosintesis
7. The information shows the position of four metals with carbon in the reactivityseries.Maklumat menunjukkan kedudukan empat jenis logam dengan karbon dalam sirikereaktifan logam.
Which metals can be extracted by heating their ores with carbon?Logam manakah yang boleh diekstrak dengan memanaskan bijihnyadengan karbon?
A. Iron and zinc C Iron and magnesiumBesi dan zink Besi dan magnesium
B. Zinc and aluminium D Aluminium and magnesiumZink dan aluminium Aluminium dan magnesium
MagnesiumMagnesium
AluminiumAluminium
CarbonKarbon
ZincZink
IronBesi
Increasing reactivityKereaktifan bertambah
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8. Diagram 8 shows the bubbles and gases released by the reaction of metals X,Yand Z with dilute hydrochloric acid.Rajah 8 menunjukkan pembebasan gelembung gas dan gas dari tindakbalasantara logam X,Y dan Z dengan asid hidroklorik cair.
Diagram 8
Which of the following correctly represents metals X,Y and Z?Antara yang berikut, yang manakah mewakili logam X,Y dan Z yang betul?
X Y Z
A ZincZink
CopperKuprum
MagnesiumMagnesium
B MagnesiumMagnesium
CopperKuprum
ZincZink
C ZincZink
MagnesiumMagnesium
CopperKuprum
D CopperKuprum
MagnesiumMagnesium
ZincZink
9 . Diagram 9 shows the apparatus of an electrolysis.Rajah 9 menunjukkan radas untuk elektrolisis.
Diagram 9
Which of the following correctly represents P, Q and R?Antara yang berikut, yang manakah mewakili P, Q dan R yang betul?
QP
R
A
X Y Z
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P Q R
A AnodeAnod
CathodeKatod
ElectrolyteElektrolit
B Cathode
Katod
Electrolyte
Elektrolit
Anode
AnodC Electrolyte
ElektrolitAnodeAnod
CathodeKatod
D CathodeKatod
AnodeAnod
ElectrolyteElektrolit
10. Diagram 10 shows the process in production of nuclear energy.Rajah 10 menunjukkan proses penghasilan tenaga nuklear.
Diagram 10
What is X?Apakah X ?
A Proton C NeutronProton Neutron
B Electron D NucleusElektron Nukleus
11 Diagram 11 shows the book under the coloured light.Rajah 11 menunjukkan warna sebuah buku di bawah cahaya berwarna.
Diagram 11
X UraniumUranium
YellowKuning
Blue lightCahaya biru
Light sourceSumber cahaya
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What is the colour reflected by the book?Apakah warna yang dipantulkan oleh buku itu?
A Blue C GreenBiru Hijau
B Blach D YellowHitam Kuning
12. Which of the following disease caused by fungi?Di antara berikut yang manakah penyakit yang disebabkan oleh kulat?
A TineaPanau
C MalariaMalaria
B
MeaslesDemam campak
D TuberculosisTibi
13. Which of the following temperature is the most suitable for bacterial growth?
Antara yang berikut, yang manakah suhu yang paling sesuai untukpertumbuhan bakteria?
AB
00C350C
C 700CD 1000C
14. Which of the following microorganism is used in the food industry?Antara yang berikut, yang manakah mikroorganisma yang digunakan dalamindustri makanan?
A Yeast
Yis
C Plasmodium
PlasmodiumB Mucor
MukorD Bacteriophage
Bakteriofaj
15. Which is the smallest microorganism?Mikroorganisma yang manakah paling seni?
A Algae C FungiAlga Kulat
B Virus D BacteriaVirus Bakteria
16. Which disease is spread by houseflies?
Apakah penyakit yang disebarkan oleh lalat?A Dengue C Malaria
Denggi MalariaB Cholera D Hepatitis B
Taun Hepatitis B
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17. The figure shows an experiment to study the growth of bacteria at roomtemperature.
Rajah menunjukkan satu eksperimen untuk mengkaji pertumbuhan bakteria padasuhu bilik.
In this experiment, the factor to be studied isDalam eksperimen ini, faktor yang dikaji ialah
A pH C nutrientpH nutrien
B light D temperaturecahaya suhu
18. The diagram shows microorganisms P, Q, R and S.Gambar rajah menunjukkan mikroorganisma P, Q, R dan S.
Which of the following classification are correct?Antara berikut manakah pengelasan yang betul?
Bacteria ProtozoaBakteria Protozoa
A P and S R and QB P and R Q and SC R and Q P and SD Q and S P and R
PQ
R S
Cotton plugKapas
Distilled water +Bacteria cultureAir suling +Kultur bakteria
Nutrient broth +Bacteria cultureBubur nutrien +Kultur bakteria
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19. The diagram shows the reproduction of a microorganism.Gambar rajah menunjukkan proses pembiakan satu mikroorganisma.
What is the method of this reproduction?Apakah cara pembiakan itu?A Budding C Conjugation
Penunasan PengkonjugatanB Binary fission D Spore formation
Belahan dedua Pembentukan spora
20. The diagram shows a type of microorganism.Gambar rajah menunjukkan sejenis mikroorganisma.
What is the microorganism?Apakah mikroorganisma tersebut?
A Yeast C EuglenaYis Euglena
B Mucor D ParameciumYis Paramesium
Parent cellSel induk
OffspringSel anak
SporangiumSporagium
HyphaHifa
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STRUCTURED QUESTIONS
1.
Diagram 1
Table 1 shows the result of the experiment.
Distance of object
(cm)
Focal length
(cm)
10 4020 3030 2040 10
Table 1
(a) State the variables in this experiment.(i) Manipulated variable
____________________________________________________________[1 mark]
(ii) Responding variable____________________________________________________________
[1 mark](iii) Constant variable
____________________________________________________________[1 mark]
(b) State the hypothesis that can be made from the experiment.
__________________________________________________________________ [1 mark]
(c) Write one observation from the result of the experiment.
__________________________________________________________________
Distance of an object
Focal length
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[1 mark]
(d) Based on the result, what happened to the focal length when the distance of anobject increased?
When the distance of an object increased, the focal length _______________ .[1 mark]
2. Diagram 2 shows an experiment to study the formation of an image by a convex lens.
Diagram 2
(a) Complete Diagram 2 to show the formation of the image by the convex lens[2 marks]
(b) Measure and write down the distance of the image.
_____________________________ cm[1 mark]
(c) State twocharacteristics of the image formed in 2 (a)
1. ____________________________________________________________
2. ____________________________________________________________[2 marks]
(d) Predict the distance of image when the object is place at 2F.
__________________________________________________________________[1 mark]
F 2FF2F 3F3F
Object
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__________________________________________________________________[1 mark]
(d) State one inference from the result in Table 6.
__________________________________________________________________[1 mark]
(e) Based on the result of experiment, which condition can conduct electricity?
__________________________________________________________________[1 mark]
(f) Lead (II) bromide is an ionic compound.State the operational definition for an ionic compound.
____________________________________________________________________________________________________________________________________
[1 mark]
4. Diagram 4 shows an experiment to study the reactivity of metals with oxygen.Potassium manganate (VII) crystals will produce oxygen when it heated.
Diagram 4
glass wool
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Table 4 shows the result of the experiment.
Type of Metal Brightness of light
Aluminium Very bright
Zinc BrightCopper Not bright
Table 4(a) State the variables in this experiment.
(i) Manipulated variable________________________________________________________________
[1 mark](ii) Responding variable
________________________________________________________________
[1 mark](iii) Constant variable_________________________________________________________________
[1 mark]
(b) State one hypothesis for this experiment.
__________________________________________________________________[1 mark]
(c) Write one observation from this experiment.
__________________________________________________________________[1 mark]
(d) State one inference from this experiment.
__________________________________________________________________[1 mark]
(e) Based on the result of experiment, tick ( ) for the most reactive metal withoxygen.
Aluminium
Zinc
Copper
[1 mark]
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(f) Based on the result in Table 4, state one conclusion in this experiment.
__________________________________________________________________[1 mark]
5. Diagram 5 shows an experiment to study the reactivity of metals with acid.
Diagram 5
Table 5 shows the result of the experiment.
Type of Metal
Volume of gas collected
after 10 minutes
(ml)
Zinc 4.0
Magnesium 8.0
Lead 0.0
Table 5
(a) State the variables in this experiment.
(i) Constant variable________________________________________________________________[1 mark]
(ii) Manipulated variable________________________________________________________________
[1 mark](iii) Responding variable
_________________________________________________________________
Gas collected after10 minutes
Burette
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[1 mark](b) State one hypothesis for this experiment.
__________________________________________________________________[1 mark]
(c) State one observation from the result in Table 5.
__________________________________________________________________[1 mark]
(d) Based on the observation in Table 5, state one inference for the experiment.
__________________________________________________________________[1 mark]
(e) Based on the result of experiment, complete the reactivity series of metal withacid in boxes below by using :1 most reactive; 2 more reactive and 3 less reactive.
Zinc
Magnesium
Lead
[1 mark](f) Write down one conclusion in this experiment.
__________________________________________________________________[1 mark]
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6. Diagram 6 shows an experiment to study the heat change in chemical reactions atroom temperature 27C.
Diagram 5
The result of the experiment is shown in Table 5
Set Type of reactant Final reading of temperature(C)
P Ammonium chloride 25C
Q Sodium hydroxide 38C
Table 5
(a) State the variables in this experiment.
(i) Controlled variable
________________________________________________________________[1 mark](ii) Manipulated variable
________________________________________________________________[1 mark]
(iii) Responding variable_________________________________________________________________
[1 mark]
(b) State one hypothesis for this experiment.
__________________________________________________________________[1 mark]
(c) Based on the result in Table 5, state one inference for this experiment.
__________________________________________________________________[1 mark]
Initial readingat 27C
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(d) Endothermic and exothermic are type of chemical reactions.Write the operational definition for endothermicin this experiment.
__________________________________________________________________
__________________________________________________________________[1 mark]
7. Diagram 6 shows an experiment to study the effect of impurities on boiling point ofdistilled water.
The results of the experiment are recorded in Table 6.
Type of substances Boiling point/ C
Distilled water 100
Distilled water + salt.
Table 6
(a) Based on the experiment, complete Table 6.[1 mark]
(b) Write down one hypothesis for this experiment.
__________________________________________________________________[1 mark]
(c) State one observation from the result in Table 6.
__________________________________________________________________[1 mark]
Diagram 6
Common salt
Distilled water
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(d) Write down one inference based on the results of experiment.
__________________________________________________________________[1 mark]
(e) State the variables in this experiment.
(i) Controlled variable________________________________________________________________
[1 mark](ii) Manipulated variable
________________________________________________________________[1 mark]
(iii) Responding variable
_________________________________________________________________[1 mark]
(f) Predict the boiling point if you replace salt with sugar in Diagram 6.
__________________________________________________________________[1 mark]
(g) What is the operational definition of distilled water?
__________________________________________________________________
__________________________________________________________________[1 mark]
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8. Diagram 7 shows an experiment to study the characteristics of an image formedby a pinhole camera.
Diagram 7
(a) Measure and write down the object distance from Diagram 7.___________________________ cm
[1 mark](b) State the variables in this experiment.
(i) Manipulated variable_________________________________________________________________
[1 mark](ii) Responding variable__________________________________________________________________
[1 mark](iii) Constant variable__________________________________________________________________
[1 mark](c) State one hypothesis based on this experiment.
__________________________________________________________________[1 mark]
(d) Write down one observation from this experiment.
__________________________________________________________________[1 mark]
x cm
Object distance
Whitescreen
Object
Image
2 cm
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(e) Predict the size of the image if the object placed at more than x cm from thepinhole camera.
__________________________________________________________________[1 mark]
(f) Based on Diagram 7, state threecharacteristics of the image formed on whitescreen.
1. ________________________________________________________________
2. ________________________________________________________________
3. ________________________________________________________________[3 marks]
8.Diagram 8 shows an experiment to study the hardness of alloy compared to puremetal.
Diagram 8 show the effect on the copper and brass block.
Diagram 8
Diagram 16.2
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(a)State the variables in this experiment.
(i) Manipulated variable: ______________________________________
(ii) Responding variable : ______________________________________
(iii) Controlled variable : _______________________________________
[3 marks]
(b) Write down one hypothesis from this experiment.
_____________________________________________________________________[1 mark]
(c) Write down one observation based on Diagram 8.
_____________________________________________________________________[1 mark]
(d) State one inference based on the observation in (c).
_____________________________________________________________________[1 mark]
(d) Brass is an alloy.State the operational definition of alloy.
_____________________________________________________________________[1 mark]
(e) Predict the dent of copper block if weight 200g is used in this experiment.
_____________________________________________________________________[1 mark]
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9.Diagram shows the arrangement of apparatus to study the subtraction of RED colourlights from Colour of Filters X.
Diagram 9
Table 9 shows the result of the experiment.
Table 9
Colour of Filter X Colour formed
RED RED
BLUE BLACK
GREEN BLACK
(a) State the variables in this experiment.
(i) Manipulated variable: ______________________________________
(ii) Responding variable : _______________________________________
(iii) Controlled variable : _______________________________________
[3 marks](b) Write down one hypothesis from this experiment.
_____________________________________________________________________
[1 mark]
(c) Write down one observation based on the result in Table 9.
_____________________________________________________________________[1 mark]
(d) State one conclusion based on the result in Table 9.
White
screen
RED Lights
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_____________________________________________________________________[1 mark]
(e) Predict the colour formed on the white screen when the colour of X isYELLOW.
_____________________________________________________________________[1 mark]
10.The Form 4 Bestari carry out an experiment to study the variation of group of blood.There are four group of blood; A, B, AB and O.
Table 10.1 shows the group blood of 25 pupils in the class.
Table 10.1
(a) Based on Table 10.2, determine the number of pupils in each group. CompleteTable 10.2.
Table 10.2
Group of blood A B AB O
Number of pupils
[2 marks]
(a) Based on the result in Table 10.2, draw a bar chartto show the number of pupilsagainst the group of blood.
O A O B O
AB B O B A
O A B A O
B O B O AB
O AB O A B
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[2 marks](b) State the variables in this experiment.
(i) Constant variable________________________________________________________________
[1 mark](ii) Manipulated variable
________________________________________________________________[1 mark]
(iii) Responding variable_________________________________________________________________
[1 mark]
(c) Write down one hypothesis from the experiment.
_____________________________________________________________[1 mark]
(d) State one observation from the result in Table 10.2.
_____________________________________________________________
Number of
pupils
Group of blood
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[1 mark]
(e) Write a conclusion on the type of variationbased on the bar chart in (a).
_____________________________________________________________
[1 mark]11.Diagram 11 shows an experiment to study of effect of antibiotic on bacteria growth.The Penicillin dish is an antibiotic using in this experiment. The sterilized petri dish isincubated at 37C in laboratory.
After two days there are clear areas formed surroundings the penicillin disc.
Diagram 11(a) State the variables in this experiment.
(i) Manipulated variable
____________________________________________________________[1 mark]
(ii) Responding variable
____________________________________________________________[1 mark]
(iii) Controlled variable
____________________________________________________________[1 mark]
Sterilized Petri dish
Nutrient agar+
bacteriaBacillus subtilis
CLEAR AREA
PENICILLIN DISH
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(b) State the hypothesis based on this experiment.
__________________________________________________________________[1 mark]
(c) State the observation for this experiment.__________________________________________________________________
[1 mark](d) State the inference that can be made from the observation in this experiment.
__________________________________________________________________[1 mark]
(e) Write down the conclusion from this experiment.
__________________________________________________________________
[1 mark](f) Penicillin is an antibiotic.Write the operational definition of antibiotic in this experiment.
__________________________________________________________________
__________________________________________________________________[1 mark]
12.Diagram 12 shows an experiment to study the effects of temperature on the bacteriagrowth.
Diagram 12Table 12 shows the result of the experiment.Table 12
Temperature
(C)
Number of bacteria colonies
5 5
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30 15
37 28
70 3
(a) State the variables in this experiment.(i) Constant variable
____________________________________________________________[1 mark]
(ii) Manipulated variable
____________________________________________________________
[1 mark](iii) Responding variable
____________________________________________________________[1 mark]
(b) State one hypothesis in this experiment.
__________________________________________________________________[1 mark]
(c) Write down one observation based on the result in Table 12.
__________________________________________________________________[1 mark](d) State one inference based on observation in (c).
__________________________________________________________________[1 mark]
(e) Predict the number of bacteria colonies when using temperature 100C.
__________________________________________________________________[1 mark]
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