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JABATAN PELAJARAN PERAK
SOALAN LATIH TUBI BERFOKUS 2
SPM 2011
SCIENCE
Paper 1
One hour and fifteen minutes
DO NOT OPEN THE QUESTION PAPER UNTIL YOU ARE TOLD TO DO SO
This question paper consists of 18 printed pages
1511/1
SOLAF 2Science
2011Paper 1
1 hours
1511/1SULIT
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1. Which of the following activity is controlled by proprioceptor?
Antara berikut, aktiviti manakah dikawal oleh deria kinestesis?
A drawing a scenery
melukis gambar pemandangan
B shooting a hunted deer
menembak rusa yang diburu
C walking on a log to cross a river
meniti titian untuk menyeberangi sungai
D pull a hand when touching hot object
menarik tangan apabila tersentuh objek tajam
2 Diagram1 shows an endocrine gland in human body
Rajah 1 menunjukkan satu kelenjar endokrin dalam badan manusia.
Diagram 1
Rajah 1
How the hormone secreted by gland P is transfered to the target cell?
Bagaimanakah hormon yang dirembeskan oleh kelenjar P dipindahkan ke sel sasaran ?
A through lymph vessel C through nervous system
melalui salur limfa melalui sistem saraf
B through blood vessel D through immune systems
melalui salur darah melalui sistem keimunan
3 The height of student A and student B are recorded in the Table1.
Ketinggian pelajar A dan pelajar B direkodkan seperti dalam Jadual 1.
StudentPelajar HeightKetinggian
A 1.8 m
B 2.3 m
Table 1
Jadual 1
Gland P
Kelenjar P
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The average height of human is 1.7 m. Which gland secretes excess hormone in student B?
Purata ketinggian manusia ialah 1.7 m. Kelenjar manakah yang merembeskan hormon
berlebihan pada pelajar B?
A Thyroid B Adrenal C Pituitary D Testis
Tiroid Adrenal Pituitari Testis
4 What is the function of medulla oblongata?
Apakah fungsi medulla oblongata?
A Controls the rate of heart beat
Mengawal kadar denyutan jantung
B Controls the size of pupils
Mengawal saiz anak mata
C Receive and interprete impuls
Menerima dan mentafsirkan impuls
D Control body balanceMengawal keseimbangan badan
5 Which inherited disease is suffered by an individual that has 3 chromosomes at the 21st pair?
Penyakit baka manakah yang dialami oleh seseorang yang mempunyai 3 kromosom pada
pasangan ke 21?
A Hemofilia C Sickle cell anaemia
Hemofilia Anemia sel sabit
B Colour blindness D Downs Syndrome
Buta warna Sindrom Down
6 Which of the following is true about non-identical twins?
Antara berikut yang manakah benar tentang kembar tak seiras?
A The zygote formed after fertilisation splits into two.
Zigot yang terhasil selepas proses persenyawaan membahagi dua.
B Two ova are fertilized by two sperms.
Dua ovum disenyawakan oleh dua sperma.
C Both foetuses share the same placenta.
Kedua-dua fetus berkongsi plasenta yang sama
D They always have the same gender.Jantina mereka sentiasa sama.
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7 Diagram 2 shows a stage of mitosis.
Rajah 2 menunjukkan satu peringkat mitosis.
Diagram 2
Rajah 2
What will be the number of chromosomes in each daughter cell when the process of mitosis is
complete?
Berapakah bilangan kromosom dalam setiap sel anak setelah proses mitosis selesai?
A Six B Four C Three D Twelve
Enam Empat Tiga Dua belas
8 Diagram 3 shows the inheritance of colour blindness.Rajah 3 menunjukkan pewarisan bagi buta warna
Diagram 3
Colour blindness is caused by the mutated recessive gene, X b. Which offspring is a colourblindness carrier?
Buta warna disebabkan oleh gen resesif termutasi, Xb. Anak yang manakah merupakan pembawa
gen buta warna?
A R B Q C P D S
Xb
Y XXb
Xb
Y X Xb
P Q R S
Colour blind father
(Bapa buta warna)
Carrier mother
(Ibu pembawa)
X
Gamete
(Gamet)
Offspring
(Anak)
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9 The elements in a periodic table are arranged according to the
Unsur-unsur didalam Jadual Berkala disusun mengikut
A nucleon number C number of neutrons
nombor nukleon bilangan neutron
B proton number D number of isotopes
nombor proton bilangan isotop
10 Based on Table 2, which elements are isotopes?
Berdasarkan Jadual 2, manakah unsur-unsur yang merupakan isotop?
Elements
Unsur
Nucleon number
Nombor nukleon
Number of protons
Bilangan proton
Number of neutron
Bilangan neutron
P 12 6 6
Q 13 6 7
R 14 7 7
S 16 8 8
Table 2
Jadual 2
A Q and R B R and S C P and S D P and Q
11 Pure water can be produced from polluted water by
Air tulen boleh dihasilkan daripada air yang tercemar dengan cara
A evaporation B distillation C boiling D crystallization
penyejatan penyulingan pendidihan penghabluran
12 Which of the following difference between metals and non-metals is correct?
Antara perbezaan logam dengan bukan logam yang berikut, manakah yang betul?
Metals
LogamNon-metals
Bukan logam
A Non-ductileTidak mulur
DuctileMulur
B Dull surface
Permukaan pudar
Shiny surface
Permukaan berkilat
C Low melting pointsTakat lebur yang rendah
High melting pointsTakat lebufr yang tinggi
D Good conductors
Konduktor yang baik
Poor conductors
Konduktor yang lemah
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13 Which of the following is a physical change?
Manakah antara berikut adalah perubahan fizik?
A Heating of zinc carbonate
Pemanasan zink karbonat
B. Boiling of water
Pendidihan air
C Heating of iron and sulphur
Pemanasan besi dan sulfur
D Putting a piece of calcium into water
Meletakkan secebis kalsium ke dalam air
14 Diagram 4 shows an experiment to study the heat change in a chemical reaction.
Rajah 4 menunjukkan satu eksperimen untuk mengkaji perubahan haba dalam satu tindak balas
kimia.
What type of reaction is involved?
Apakah jenis tindak balas yang terlibat?
A Neutralization B Endothermic C Exothermic D Decomposition
Peneutralan Endotermik Eksotermik Penguraian
15 The following information shows about metals P, Q and R. Maklumat berikut tentang logam P, Q dan R
Metal P reacts vigorously with cold waterLogam P bertindakbalas cergas dengan air sejuk
Metal Q does not reacts with cold water or steamLogam Q tidak bertindakbalas dengan air sejuk atau stim
Metal R reacts with steam but not with cold water
Logam R bertindakbalas dengan stim tapi tidak dengan air sejuk
Diagram 4
Rajah 4
Beginning of
the experiment.
Permulaan
eksperimen
End of theexperiment.
Akhir eksperimen
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Which is the correct ascending order of reactivity of matels P, Q and R ?
Urutan menaik yang manakah betul tentang kereaktifan logam P, Q dan R?
A Q, R, P B P, Q, R C R, Q, P D Q, P, R
16 Diagram 5 shows an electroplating of an iron ring.
Rajah 5 menunjukkan proses penyaduran cincin besi
What is solution X ?
Apakah larutan X?
A Aluminium nitrate C Silver nitrate
Aluminium nitrat Argentum nitrat
B Iron (II) sulphate D Copper (II) sulphate
Ferum(II) sulfat Kuprum (II) sulfat
17 The following information shows the properties of a radioactive ray P.Maklumat berikut menunjukkan sifat-sifat satu sinar radioaktifP.
What is P?
Apakah P?
A Alpha particles B Beta particles C Gamma radiation D Neutron
Zarah alfa Zarah beta Sinar gamma Neutron
negatively chargedbercas negative
attracted by positive chargesditarik oleh cas-cas positif
can be blocked by an aluminium
boleh dihentikan oleh sekeping aluminium
Iron ring
cincin besi
Silver
argentum
Solution X
larutan XDiagram 5Rajah 5
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18 Which of the following is caused by radioactive radiation?
Manakah antara yang berikut disebabkan oleh sinaran radioaktif?
A Greenhouse effect C Global warming
Kesan rumah hijau Pemanasan global
B Acid rain D Mutation of living cells
Hujan asid Mutasi pada sel-sel hidupan
19 Diagram 6 shows a nuclear reaction.
Rajah 6 menunjukkan satu tindakbalas nuklear.
What is particle X?
Apakah zarah X?
A Proton B Electron C Nucleon D Neutron
Proton Elektron Nukleon Neutron
20 Which of the following materials is mostly used to keep the radioactive substances?
Antara bahan-bahan berikut, yang manakah paling banyak digunakan untuk menyimpan bahan
radioaktif?
A Lead B Aluminium C Carbon D Zinc
Plumbum Aluminium Karbon Zink
21 Diagram 7 shows an image formed by a convex lens.
Rajah 7 menunjukkan imej yang dibentuk oleh sebuah kanta cembung.
SCIENCEConvex lens
Kanta cembung
Diagram 7Rajah 7
X
X
Heavy nucleus
Nukleus berat
Light nucleus
Nukleus rin an
Light nucleus
Nukleus rin an
Diagram 6
Rajah 6
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Where is the position of the object?
Di manakah kedudukan objek tersebut?
A Twice the focal length C Less than the focal length
Dua kali panjang fokus Kurang daripada panjang fokus
B The same as the focal length D More than twice the focal length
ama dengan panjang fokus Lebih daripada dua kali panjang fokus
22 Which of the following is an effect of light dispersion?
Antara yang berikut, yang manakah kesan penyebaran cahaya?
A The formation of a rainbow C The formation of white light
Pembentukan pelangi Pembentukan cahaya putih
B The blue sky D The red sky
Kebiruan langit Kemerahan langit
23 Diagram 8 shows the addition of coloured light.
Rajah 8 menunjukkan penambahan cahaya berwarna.
What is the colour seen at the region X?
Apakah warna yang kelihatan di kawasan X?
A Magenta B Yellow C Cyan D White
Magenta Kuning Sian Putih
24 If a white shirt is to be turned to an orange colour, which colour dyes must be used?
Jika baju putih hendak dijadikan warna jingga, apakah pencelup-pencelup warna yang mesti
digunakan?
A Blue and green C Red and blue Biru dan hijau Merah dan biru
B Green and red D Yellow and red
Hijau dan merah Kuning dan merah
Blue
Biru
Green
Hijau
Red
MerahX
Diagram 8Rajah 8
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25 Diagram 9 shows the arrangement of atoms in a substance.
Rajah 9 menunjukkan susunan atom dalam sesuatu bahan
Which of the following substance has the same arrangement of atoms as in figure ?
Bahan yang manakah mempunyai susunan atom yang sama seperti rajah ?
A steel B iron C copper D aluminiumkeluli besi kuprum aluminium
26 The following information shows the equation for the production of urea.
Maklumat yang berikut menunjukkan persamaan untuk menghasilkan baja urea.
What is gas Eand condition F?Apakah gas E dan keadaan F?
Gas E Condition F
Keadaan F
A Carbon dioxide 200C, 500 atm
Karbon dioksida
B Carbon dioxide 200C, 200 atm
Karbon dioksida
C Nitrogen 200C, 200 atm
Nitrogen
D Nitrogen 200oC, 500 atm
Nitrogen
Condition F
Gas E + Ammonia Urea
Gas E Ammonia Keadaan F Urea
Pure atom
Atom tulen
Foreign atom
Atom asing
Diagram 9
Rajah 9
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27 The information shows a word equation of Haber process.
Maklumat menunjukkan persamaan perkataan bagi proses Haber
What happens when the temperature decreased to 200oC?
Apakah yang berlaku apabila suhu diturunkan kepada 200oC?
A More ammonia is produced C The reaction becomes faster
Lebih banyak ammonia dihasilkan Tindakbalas menjadi cepat
B Solid ammonia is produced D The reaction becomes slow
Pepejal ammonia terhasil Tindak balas menjadi lambat
28 What is the effect of toxic waste disposal from chemical industries to the environment?
Apakah kesan pelupusan bahan sisa toksik dari industri kimia terhadap alam sekitar?
A Global temperature to increase
Peningkatan suhu dunia
B Thinning of ozone layer
Penipisan lapisan ozon
C Destruction of aquatic life
Kemusnahan hidupan akuatik
D Disruption of photosynthesis in green plantsGangguan ke atas fotosintesis pada tumbuhan hijau
29 Which of the following is an example of fungi?Yang manakah antara berikut ialah contoh kulat?
A C
B D
Nitrogen
Nitrogen
Hydrogen
Hidrogen
Ammonia
Ammonia
+
200 atm,450
oC 500
oC
Iron filling
Serbuk besi
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30 Which of the following disease can be treated using antibiotics?
Antara penyakit berikut, yang manakah boleh dirawat menggunakan antibiotik?
A AIDS B dengue fever C cholera D hepatitis B
Aids demam denggi taun hepatitis B
31 Diagram 10 shows a type of microorganisms. What is the most suitable temperature formicrorganims growth?
Rajah 10 menunjukkan sejenis mikroorgansima. Suhu manakah yang paling sesuai untuk
mikroorganisma itu membiak?
A 10oC B 25
oC C 35
oC D 37
oC
32 Diagram 11 shows microorganisms J, K, L and M.
Rajah 11 menunjukkan mikroorganisma J, K, L dan M.
Which classification is correct?
Manakah pengelasan yang betul?
AlgaeAlga
ProtozoaProtozoa
J and MJ dan M
K and LK dan L
J and LJ dan L
K and MK dan M
K and LK dan L
J and MJ dan M
J and KJ dan K
M and LM dan L
Sporangium
Sporangium
Diagram 10Rajah 10
Diagram 11
Rajah 11
A
B
C
D
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33 The following information shows the characteristics of the modern cure
Maklumat berikut adalah menunjukkan ciri-ciri rawatan moden
Chemical compounds
Sebatian kimia
Can be injectedBoleh disuntik
Examples: Tetracyclines to treat cholera
Contoh : tetrasiklin untuk merawat taun
Which cure has this characteristics?
Rawatan manakah yang mempunyai ciri-ciri tersebut?
A antiviral B antifungal C antibiotic D antiserumantiviral antikulat antibiotic antiserum
34 The diagram 12 shows the roots of a leguminous plant.
Rajah 21 menunjukkan akar tumbuhan kekacang.
What type of bacteria is found in S?
Apakah jenis bakteria yang terdapat dalam S?
A Nitrogen fixing bacteria B Nitrifying bacteria
Bakteria pengikat nitrogen. Bakteria nitrifikasi
C Denitrifying bacteria D Putrefying bacteria
Bakteria pendenitritan Bakteria pereput
Diagram 12
Rajah 12
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35 Diagram 13 is a graph showing the total energy required by men of different occupations.
Rajah 13 ialah graf yang menunjukkan jumlah tenaga yang diperlukan oleh lelaki yang
berlainan pekerjaan.
Which occupation represents Q?
Pekerjaan yang manakah mewakili Q?
A Clerk B Doctor C Labourer D Teacher
Kerani Doktor Buruh Guru
36 Diagram14 shows a change in the lumen size of an artery.
Rajah 14 menunjukkan perubahan saiz lumen arteri.
Which class of food can cause the change?
Kelas makanan yang manakah boleh menyebabkan perubahan tersebut?
A Protein B Fat C Roughage D CarbohydrateProtein Lemak Pelawas Karbohidrat
Total energy/kJ
Jumlah tenaga/kJ
Type of occupation Jenis pekerjaan
Q
Diagram 13
Rajah 13
Diagram 14
Rajah 14
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37 A farmer finds that his land is infertile. Which natural method can be used to overcome this
problem?
Seorang petani mendapati tanahnya tidak subur. Apakah kaedah semulajadi yang dapat
digunakan untuk mengatasi masalah ini?
A Add chemical fertilizer C Cultivate terraced planting
Menambah baja kimia Menanam tanaman berteresB Build a good drainage system D Plant leguminous plants
Membina sistem saliran yang baik Menanam tumbuhan kekacang
38 Which of the following processes increase the concentration of atmospheric carbon dioxide?
Antara proses-proses berikut, yang manakah meningkatkan kepekatan karbon dioksida di
atmosfera?
A Transpiration B Respiration C Photosynthesis D Evaporation
Transpirasi Respirasi Fotosintesis Penyejatan
39. The nitrates in the soil are returned as atmospheric nitrogen byNitrat di dalam tanah dikembalikan sebagai nitrogen di atmosfera oleh
A Nitrogen fixing bacteria C Nitrifying bacteria
Bakteria pengikat nitrogen Bakteria penitritan
B Denitrifying bacteria D Cholera bacteria
Bakteria pendenitritan Bakteria kolera
40 Which of the following is not an effect from the burning of fossil fuels?
Antara berikut yang bukan akibat pembakaran bahan api fosil?
A Global warming C Depletion of ozone layer
Pemanasan global Penipisan lapisan ozon
B Acid rain D Air pollution
Hujan asid Pencemaran udara
41 The following information shows the negative effect of an environmental phenomenon.
Maklumat berikut menunjukkan kesan negatif fenomena alam sekitar.
Flood in low lying areas
Banjir di kawasan rendah
Increase in Earths average temperature
Peningkatan suhu purata bumi Melting of polar ice caps
Peleburan ketulan ais di kutub
What contributes to these effects?
Apakah yang menyumbang kepada kesan-kesan ini?
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A Landslides C Eutrophication
Tanah runtuh Eutrofikasi
B Depletion of ozone layer D Global warming
Penipisan lapisan ozon Pemanasan global
42 What are hydrocarbons? Apakah hidrokarbon?
A Compounds that contain carbon
Sebatian yang mempunyai karbon
B Compounds that contain hydrogen
Sebatian yang mempunyai hydrogen
C Compounds that contain hydrogen, carbon and oxygen
Sebatian yang mempunyai hirogen, karbon dan oksigen
D Compounds that contain hydrogen and carbon only
Sebatian yang mempunyai hirogen dan karbon sahaja
43 Which of the following is not caused by taking too much cholesterol in the diet?
Yang manakah berikut bukan disebabkan mengambil terlampau banyak kolesterol
dalam makanan?
A Diabetes B Heart attack C Stroke D Arteriosclerosis
Kencing manis Serangan jantung Strok Arteriosklerosis
44 Diagram 15 show the structure of a soap molecule.
Rajah 15 di bawah menunjukkan struktur molekul sabun.
The structure labelled P will dissolve in
Struktur berlabel P akan larut dalam
A fat B water C palm oil D grease
lemak air minyak sawit gris
45 Vulcanised rubber is stronger than natural rubber because
Getah tervulkan adalah lebih kuat dari getah asli kerana
A its has low melting point
ia mempunyai takat lebur yang rendah
B the presence of sulphur makes it more dense
kehadiran sulfur menjadikan ia makin tumpat
P
Diagram 15
Rajah 15
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C there are cross-linkage formed between the sulphur atoms and the rubber molecules
terdapat ikatan silang terbentuk antara atom sulfur dengan molekul getah
D it is less durable
ia kurang tahan
46 Which of the following sequence is correct for the four stoke diesel engine?Antara urutan berikut, yang manakah betul bagi enjin diesel empat lejang?
A Intake stroke Compression stoke Power stroke Exhaust stroke
Lejang pengambilanLejang mampatan Lejang kuasa Lejangekzos
B Intake stroke Compression stoke Exhaust stroke Power stroke
Lejang pengambilanLejang mampatan Lejangekzos Lejang kuasa
C Intake stroke Exhaust stroke Compression stoke Power stroke
Lejang pengambilanLejangekzos Lejang mampatan Lejang kuasa
D Intake stroke Exhaust stroke Power stroke Compression stoke
Lejang pengambilanLejangekzos Lejang kuasa Lejang mampatan
47 Diagram 16 shows a ticker tape section for a moving trolley.
Rajah 16 menunjukkan keratan pita detik bagi gerakan sebuah troli.
.
A Zero velocity C Increasing velocity
Halaju sifar Halaju bertambah
B Uniform velocity D Decreasing velocity
Halaju seragam Halaju berkurangan
48 Which statement is correct about the principle of Bernoulli?
Pernyataan manakah yang betul tentang prinsip Bernoulli?
A Pressure applied to fluid is transmitted equally in all direction.
Tekanan dikenakan pada bendalir dipindahkan dengan nilai yang sama pada semua arahB Pressure increases when portion being submerged increases
Tekanan meningkat apabila bahagian tenggelam meningkat
C Pressure exerted by a liquid varies with depth
Tekanan dikenakan oleh cecair berubah dengan kedalaman
D Pressure of a fluid decreases when its velocity increases.
Tekanan bendalir berkurang apabila halaju meningkat.
. . . . . . .
Direction of motion
Arah gerakan
Diagram 16
Rajah 16
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49 What is the reason of making the front and back portion of a vehicle into crumple zones?
Apakah tujuan membuat bahagian depan dan belakang kenderaan menjadi kawasan mudah
remuk?
A increase the collision time
menambahkan masa perlanggaran
B increase the momentum of collisionmenambahkan momentum perlanggaran
C decrease the inertia of the vehicle
mengurangkan inersia kenderaan
D decrease the velocity of the vehicle
mengurangkan halaju kenderaan
50 Which of the following pairs petrol and diesel engines is correctly matched?
Antara padanan enjin petrol dan enjin diesel berikut, yang manakah yang betul?
END OF QUESTION PAPER
Petrol engine
Enjin petrolDiesel engine
Enjin diesel
A Causes more pollution
Menyebabkan lebih pencemaran
More eco friendly
Lebih mesra alam
B Spark plugs
Palam pencucuh
Fuel injected into hot gas
Bahanapi dipancit ke dalam gas panas
C More efficiency
Lebih cekap
Less efficiency
Kurang cekap
D Noisy
Bising
Quiet
Senyap
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Name:
Class :
JABATAN PELAJARAN PERAK
SOALAN LATIH TUBI BERFOKUS 2
SPM 2011
SCIENCE
Paper 2
Two hours and thirty minutes
This question paper consist of 18 printed pages
Examiners Code
Section QuestionTotal
mark
Marks
obtained
A
1 5
2 5
3 5
4 5
B
5 6
6 6
7 6
8 6
9 6
C
10 10
11 1012 10
Total
DO NOT OPEN THE QUESTION PAPER
UNTIL YOU ARE TOLD TO DO SO
1511/2
SOLAF 2Science
2011
Paper 2
2 hours
SULIT1511/2
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SULIT SOLAF 2
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Section A
Bahagian A
[20 marks]
[20 markah]
Answer all questions.
Jawab semua soalan
1 Diagram 1 shows an experiment to study the effect of impurities on boiling point of distilledwater.
Rajah 1 menunjukkan eksperimen untuk mengkaji kesan bendasing ke atas takat didih air
suling.
The results obtained are recorded in Table 1Keputusan yang diperolehi dicatatkan dalam Jadual 1
Substance
BahanBoiling point/
oC
Takat didih/o C
Distilled water
Air suling100
Distilled water + sugar
Air suling + gula.
Table 1
Jadual 1
(a) Based on the above experiment, complete Table 1
Berdasarkan eksperimen di atas, lengkapkan Jadual 1.
[1 mark][1 markah]
SugarGula
Thermometer
Jangka suhuDistilled water
Air suling
Diagram 1Rajah 1
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2 Diagrams 2.1(a) and 2.1(b) show an experiment to study the hardness of copper block and
bronze block when the weights are dropped onto a steel ball.
Rajah 2.1(a) dan 2.1(b) menunjukkan satu eksperimen untuk mengkaji kekerasan blok
kuprum dan blok gangsa apabila pemberat dijatuhkan ke atas bola keluli.
Diagram 2.1(a) Diagram 2.1 (b)
Rajah 2.1(a) Rajah 2.1(b)
The effects on the copper block and bronze block are shown in Diagram 2.2(a) and 2.2(b).
Kesan pada blok kuprum dan blok gangsa ditunjukkan dalam Rajah 2.2(a) dan 2.2(b).
Based on Diagram 2.2 (a), measure the diameter of the dent x and complete Table 2.
Berdasarkan Rajah 2.2(a),ukur diameter lekukan x dan lengkapkan Jadual 2 .
[1 mark][1 markah ]
Steel ball
Bola keluli
Copper block
Blok kuprum
WeightPemberat
( 5 kg )
Bronze block
Blok gangsa
x
Copper block
Blok kuprum
Diagram 2.2(a)
Rajah 2.2(a)
0.6 cm
Bronze block
Blok Gangsa
Diagram 2.2 (b)
Rajah 2.2(b)
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Block
Blok
Diameter of the dent / cm
Diameter lekukan / cm
Copper
Kuprum
Bronze
Gangsa 0.6
Table 2
Jadual 2
(b) State one hypothesis for this experiment?
Nyatakan satu hipotesis untuk eksperimen ini?
....
[1 mark][1 markah]
(c) State the variables in this experiment.
Nyatakan pembolehubah dalam eksperimen ini.
(i) Constant variable:
Pembolehubah dimalarkan:
...............................................
(ii) Responding variable:
Pembolehubah bergerak balas:
[2 marks]
[2 markah]
(d) Bronze is an alloy. State the operational definition for an alloy.
Gangsa adalah sejenis aloi. Nyatakan definisi secara operasi bagi aloi.
...
[1 mark]
[1 markah]
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3 In an experiment, a bacteria Basillus subtilis is cultured in a petri dish containing nutrient agar for
five days at 37C. The result of the experiment is shown in Table 2.
Di dalam satu eksperimen, bacteria Basillus subtilis telah dikultur di dalam piring petri yang
mengandungi agar nutrient selama 5 hari pada suhu 37oC. Keputusan eksperimen ditunjukkan
dalam rajah.
Time / dayMasa/ hari
Number of bacterial coloniesBilangan koloni bakteria
1 8
2 15
3 19
4 21
5 22
Table 3Jadual 3
(a) What is the controlled variable in this experiment?Apakah pembolehubah yang di kawal dalam eksperimen ini?
.
[1 mark]
[1 markah]
(b) Using data in Table 3 draw a graph of the number of bacterial colonies against timeDengan menggunakan data dalam Jadual 3, lukis graf bilangan koloni bakteria melawan masa
[2 marks][2 markah]Number of bacterial colonies
Bilangan koloni bakteria
Time / day
Masa / hari
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(c) What is the relationship between the number of bacterial colonies and time ?
Apakah hubungan antara bilangan koloni bakteria dengan masa?
[1 mark]
[1 markah]
(d) Predict the number of bacterial colonies produced on the 6th
day.Ramalkan bilangan koloni bakteria yang dihasilkan pada hari ke enam
[1 mark][1 markah]
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4 Diagram 4 shows an experiment to compare the elasticity of a natural rubber, (Rubber P) with a
natural rubber that has been soaked in sulphur monochloride solution, (Rubber Q).
Rajah 4 menunjukkan eksperimen untuk membandingkan sifat kekenyalan getah asli, (Getah P)
dengan getah asli yang telah dicelupkan ke dalam larutan sulfur monoklorida, (Getah Q).
Sulphur monochloridesolution
Larutan sulfur
monoklorida
Scissors
Gunting
Natural rubber
Getah asli
Clip
Klip
Clip
Klip
Clip
Klip
Clip
Klip500 g weight
Pemberat 500 g500 g weight
Pemberat 500 g
After weights
and clips aretake offSelepas
pemberat dan
klip
ditanggalkan
Beaker
Bikar
Diagram 4
Rajah 4
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(a) State the hypothesis that can be made from this experiment.
Nyatakan hipotesis yang boleh dibuat daripada eksperimen ini.
...............................................................
[1 mark]
[1 markah]
(b) State the variable in this experiment.Nyatakan pembolehubah dalam eksperimen ini.
(i) Controlled variable:
Pembolehubah dimalarkan:
..............................................................................................................................................
[1 mark]
[1 markah](ii) Manipulated variable:
Pembolehubah dimanipulasikan:
..............................................................................................................................................
[1 mark]
[1 markah]
(c) Based on this experiment, which rubber is more elastic?Berdasarkan eksperimen ini, getah manakah yang lebih elastik?
.....................................................................................................................................................[1 mark]
[1 markah]
(d) Mark ( ) the objects which are made of natural rubber that has been produced as in rubber
Q.Tandakan ( ) bagi objek yang diperbuat daripada getah asli yang telah diproses sepertigetah Q.
[1 mark]
[1 markah]
Tyre
Tayar
Belon
Balloon
Shoe sole
Tapak kasut
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Section BBahagian B
[30 marks][3 markah]
Answer all questions.
Jawab semua soalan
5 Diagram 5 shows a cross section of human brain.
Rajah 5 menunjukkan keratan rentas otak manusia.
Diagram 5
Rajah 5(a) Based on Diagram 5, name the structures labelled A and B.
Berdasarkan kepada Rajah 5, namakan struktur berlabel A dan B.
A................................
B
[2 marks][2 markah]
(b) State one function of structure A .Nyatakan satu fungsi strukturA.
..........................
[1 mark]
[1 markah](c) State two effects of drug abuse on the brain.
Nyatakan dua kesan penyalahgunaan dadah terhadap otak.
1 ............................
2. ..................................[2 marks]
[2 markah]
A
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(d) What will happen if structure B is injured?
Apakah kesan jika bahagian B tercedera?
..................................
[1 mark]
[1 markah]
6 Diagram 6 shows the purification of copper using electrolysis.Rajah 6 menunjukkan penulenan kuprum secara elektrolisis.
(a) On Diagram 6, name P, Q and R by using the following information
Pada Rajah 6, namakan P, Q dan R dengan menggunakan maklumat berikut;
[3 marks][3 markah]
(b) State the energy changes in this electrolysis process
Nyatakan perubahan tenaga yang berlaku dalam proses elektrolisis
......................................................................................................................................................
[1 mark][1 markah]
(c) Why metal P becomes thinner in the electrolysis process?
Mengapakah logam P menjadi semakin nipis semasa proses elektrolisis?
.......................................................................................................................................................
[1 mark]
[1 markah]
Q:.........................................................P :.........................................
R :.........................................................
Diagram 6
Rajah 6
Pure copper/Kuprum tulen
Impure copper/Kuprum tak tulen
Copper(II) sulphate/ Larutan kuprum(II) sulfat
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(d) State another use of electrolysis in industry.
Nyatakan kegunaan lain elektrolisis dalam industri.
.......................................................................................................................................................
[1 mark]
[1 markah]
7 Diagram 7 shows radioactive rays in an electric field.
Rajah 7 menunjukkan sinar radioaktif dalam medan elektrik.
(a) Name the radioactive rays P, Q and R in Diagram 7.
Namakan sinar radioaktif P, Q dan R pada Rajah 7.
[3 marks]
[3 markah]
(b) Why does ray Q not deflect?
Mengapakah sinar Q tidak terpesong?
[1 mark]
[1 markah]
(c) Which is the slowest ray?
Sinar manakah yang bergerak paling perlahan?
[1 mark]
[1 markah]
Radioactive source
Bahan radioaktifP: ..
Q: ..
R: ..
Diagram 7
Rajah 7
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(d) State a best method to prevent ray Q from being emitted to the environment.
Nyatakan satu kaedah paling baik untuk menghalang sinar Q daripada terpancar ke
persekitaran.
[1 mark]
[1 markah]
8 Diagram 8.1 shows a food pyramid that gives you guidance to a good and balanced diet.
Rajah 8.1 menunjukkan satu piramid makanan yang dapat memberi panduan kepada anda untuk
mengamalkan pemakanan yang baik dan seimbang.
Diagram 8.1
Rajah 8.1
(a) What is meant by a balanced diet?
Apakah yang dimaksudkan dengan diet seimbang?
[1 mark]
[1 markah]
(b) What types of food that is needed in less amount?
Apakah jenis makanan yang diperlukan dalam kuantiti yang paling sedikit?
.
[1 mark]
[1 markah]
(c) State one important of good and balanced diet.
Nyatakan satu kepentingan mengambil makanan yang baik dan diet seimbang.
[1 mark]
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(d) Diagram 8.2 shows individual X who has an excess of body weight as compared to
individual Y who has a less weight.
Rajah 8.2 menunjukkan individu X yang mempunyai berat badan yang berlebihan
dibandingkan dengan individu Y yang mempunyai berat badan yang terlalu kurang.
Individual Y individual X Individu Y Individu X
Diagram 8.2
Rajah 8.2
(i) State one harmfull effect that can cause by individual X.
Nyatakan satu kesan buruk yang akan dihadapi oleh individu X
[1 mark]
[1 markah]
(ii) State one disease that can cause by the individual X.
Nyatakan penyakit yang akan dihadapi oleh individu X ?
..
[ 1 mark]
[1 markah]
(e) Suggest one way to avoid from becoming individual Y?
Cadangkan satu cara untuk mengelakkan dari menjadi seperti individu Y?
.
[1 mark][1 markah]
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9 Diagram 9 shows the structure of a rocket.
Rajah 9 menunjukkan struktur sebuah roket.
(a) Name the fuel used by the rocket.Namakan bahan api yang digunakan oleh roket.
[1 mark]
[1 markah]
(b) (i) Name the structure X.
Namakan struktur X.
.
[1 mark][1 markah]
(ii) What is the function of X?
Apakah fungsi X?
[1 mark]
[1 markah]
(c) State the principle used in launching the rocket?
Nyatakan prinsip yang digunakan dalam pelancaran roket?
...[1 mark]
[1 markah]
(d) On Diagram 9, mark the direction of forces involved during the rocket launching; action, A
and reaction, R.Pada Rajah 9, tandakan arah daya-daya yang terlibat semasa pelancaran roket; tindakan, A
dan tindak balas, R. [2 marks]
[2 markah]
Liquid oxygen
Oksigen cecair
Fuel
Bahan api
X
Diagram 9
Rajah 9
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Section CBahagian C
[20 marks][20 markah]
Answer Question 10 and eitherQuestion 11 orQuestion 12.
Jawab Soalan 10 dan sama ada Soalan 11 atau Soalan 12.
10 Study the following statement.Kaji pernyataan berikut.
(a) Suggest a hypothesis to investigate the above statement. [1 mark]Cadangkan satu hipotesis untuk menyiasat pernyataan di atas. [1 markah]
(b) You are given a blue filter, a red filter, a green filter and other apparatus, describe anexperiment to test your hypothesis in 10(a) based on the following criteria;
Anda dibekalkan dengan satu penapis biru, satu penapis merah, satu penapis hijau dan
radas-radas lain, huraikan satu eksperimen untuk menguji hipotesis di 10(a) berdasarkan
kriteria berikut;
(i) The aim of the experiment [1 mark]
Tujuan eksperimen [1 markah]
(ii) The identification of variables [2 marks]
Mengenalpasti pembolehubah [2 markah]
(iii)The list of apparatus and materials [1 mark]
Senarai radas dan bahan [1 markah]
(iv) The procedure or method [4 marks]
Prosedur atau kaedah [4 markah]
(v) The tabulation of data [1 mark]
Penjadualan data [1 markah]
When white light is directed onto a primary coloured filter, the filter will allow
certain coloured light to pass through.
Apabila cahaya putih dipancarkan ke arah penapis warna primer, penapis itu
hanya membenarkan cahaya berwarna tertentu sahaja melaluinya.
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11 (a) State four differences between voluntary action and involuntary action.
Nyatakan empat perbezaan antara tindakan terkawal dan tindakan luar kawal.
[4 marks]
[4 markah]
(b) Diagram 11 shows the actions happen inside the body of a man.
Rajah 11 menunjukkan beberapa tindakan yang berlaku dalam badan seorang lelaki.
Study the above actions. Explain how you would develop a concept based on the information
in Diagram 11.
Kaji tindakan-tindakan di atas. Terangkan bagaimana anda membina suatu konsep
berdasarkan maklumat dalam Rajah 11.Your explanation of the concept should include the following:
Penerangan anda tentang konsep itu hendaklah berdasarkan kepada perkara berikut:
(i) Indentify two common characteristics.
Kenal pasti dua ciri sepunya.
(ii) Develop initial concept.
Membina konsep awal.
(iii) Give other example and non-example in relation to the concept.
Memberikan contoh lain dan bukan contoh yang berkaitan dengan konsep.
(iv) Explain the actual concept.
Menjelaskan konsep sebenar.
[6 marks]
[6 markah]
Action
Tindakan
Heart beat
Denyutan jantungFood digestion
Pencernaan makanan
Hormone secrete
Perembesan hormonBreathing
Pernafasan
Diagram 11
Rajah 11
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12 (a) Human activities sometimes cause undesirable effects on the environment.
State two human activities and explain their effects on the balance of nature of the
environment.
Aktiviti manusia kadangkala mendatangkan kesan buruk terhadap alam sekitar.
Nyatakan dua aktiviti manusia dan terangkan kesannya terhadap keseimbangan semulajadialam sekitar.
[4 marks]
[4 markah]
(b) Most factories in an industrial area release smoke and poisonous gases as waste product.The waste product produced will cause air pollution.
Explain methods to overcome this problem.
Kebanyakan kilang di suatu kawasan perindustrian membebaskan asap dan gas beracun
sebagai bahan buangan.
Bahan buangan yang dihasilkan akan menyebabkan pencemaran udara.
Terangkan kaedah untuk mengatasi masalah ini.
Your answer should include the following aspects;
Penerangan anda hendaklah mengandungi aspek-aspek berikut;
- Identify the problem [1 mark]
Kenal pasti masalah [1 markah]
- Clarification of the problem [1 mark]
Penjelasan masalah [1 markah]
- Explain three methods to solve the problem [3 marks]
Terangkan tiga kaedah penyelesaian [ 3 markah]
- Choose the best method and explain your choice. [1 mark]
Pilih kaedah terbaik dan jelaskan pilihan anda. [1 markah]
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JABATAN PELAJARAN PERAK
MODUL SOLAF 2
SIJIL PELAJARAN MALAYSIA 2011
SCIENCE
Paper 1
andPaper 2
MARKING SCHEME
This marking Scheme contains 9 printed pages
1511
Science
SOLAF 2SPM
2011
1511 SULIT
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SULIT SOLAF 2
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Paper 1
1 C 11 B 21 C 31 D 41 D
2 B 12 D 22 A 32 A 42 D
3 C 13 B 23 B 33 C 43 A
4 A 14 C 24 D 34 A 44 B
5 D 15 A 25 A 35 C 45 C
6 B 16 C 26 B 36 B 46 A
7 A 17 B 27 D 37 D 47 C
8 C 18 D 28 C 38 B 48 D
9 B 19 D 29 A 39 B 49 A
10 D 20 A 30 C 40 C 50 B
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SULIT SOLAF 2
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Paper 2
Question Mark Scheme Mark
Marks
1
(a) 102o C
(b) Boiling point // Temperature
(c) Sugar increases the boiling point of distilled water.
(d) Distilled water is a type of water which has a boiling point of 100o
C
(e) Less than 0o C
1
1
1
1
1
Total
1
1
1
1
1
5
2
(a) 1.0 0.1 cm
(b) 1. The diameter of the dent formed on the copper block is bigger/
larger.2. The diameter of the dent formed on the bronze block is smaller.
3. The depth of dent formed on the copper block is larger.
4. The depth of dent formed on the bronze block is smaller.
[Note : Negative hypothesis also accepted](c) (i) Constant variable: height of weight//mass of weight//
type of weight // diameter/ size of steel ball
(ii) Responding variable: diameter of dent// depth of dent
(d) Alloy is a material / substance which form a smaller dent.
1
1
1
1
1
Total
1
1
2
1
5
3
(a) 1. Temperature2. Type of bacteria
3. Volume of nutrient agar
1 1
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(b) Graph:
(c) As the time increases, the number of bacterial colonies increases.
(d) 22
1
1
1
1
Total
2
1
1
5
4
(a) Rubber soaked in sulphur monochloride solution is more elastic.
(b) (i) 1. The original length of natural rubber //
2. Original size of natural rubber//
3. The mass of weight.
(ii) 1. Type of rubber.//
2. Rubber P and rubber Q. //
3. Soaked or not soaked in the sulphur monochloride solution.
(c) Rubber Q
(d)
1
1
1
1
1
Total
1
2
1
1
5
Number of bacterial colonies
Bilangan koloni bakteria
Time / day
Masa / hari
x
x
x
xx
Tyre
Tayar
Belon
Balloon
Shoe sole
Tapak kasut
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5
(a) A : CerebrumB : Cerebellum
(b) 1. Control the voluntary action //
2. Control speech / hearing / vision.
(c) 1. Brain damage
2. Depression
3. Hallucination
4. Stay awake or active
5. Decrease stress
6. Slow down the reaction time
7. Lost sense of smell / vision
8. Becomes intellectually incapable
[Any two suitable answers]
(d) Cannot maintain posture and body balance.
1
1
1
1
1
1
Total
2
1
2
1
5
6
(a) P : Impure Copper
Q : Pure CopperR : Copper (II) sulphate solution
(b) Chemical energy Electrical energy
(c) Metal P dissolves to form positive ion.
(d) 1. Metal extraction //
2. Metal electroplating
1
11
11
1
Total
3
1
1
1
6
7
(a) P : Alpha ray //Q : Gamma ray // R : Beta ray //
(b) Ray Q is neutral / Not charged
(c) P // Alpha ray //
(d) 1. Keep the radioactive in a lead container/ thick concrete.//
2. Keep in lead //
3. Keep in thick concrete.
1
11
1
1
1
Total
3
1
1
1
6
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8
(a) The food that contains sufficient proportion off all classes of food
(b) Fat
(c) 1. To supply sufficient energy for daily activities
2. For the bodys proper growth and development3. To maintain the bodys health
(d) (i) Obesity
(ii) 1. Heart disease//2. Hypertension (high blood pressure)//
3. Diabetes mellitus
4. Cancers5. Arthritis
6. Hernias
7. Varicose veins8. Gallstone
(e) 1. Take balance diet.
2. Take proper nutrition.
1
1
1
1
1
1
Total
1
1
2
1
1
6
9
(a) Liquid hydrogen
(b) (i) Combustion chamber
(ii) Burn liquid oxygen and hydrogen
(c) Principle of conservation of momentum.
(d)
1
1
1
1
1
1
Total
1
2
1
1
1
6
Liquid oxygen
Oksigen cecair
Fuel
Bahan api
X
Diagram 9
Rajah 9
Reaction, R
Action, A
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10
(a) Hypothesis:
1. Red filter permits only red light to pass through it.//
2. Blue filter permits only blue light to pass through it.//
3. Green filter permits only green light to pass throughit.//
4. A certain coloured filter permits a certain colouredlight to pass through it.
(b) (i) Aim:
1. To study the effect of primary coloured filter onwhite light.//
2. To study the effect of coloured filter on light.
(ii) Variables :1. Manipulated : Coloured filter.2. Responding : Colour on screen //
The coloured light that passesthrough the filter //
3. Fixed : White light //
White screen
(any 2)(iii) Apparatus:
1. Red filter,
2. Green filter.3. Blue filter.
4. Torch light // Ray box.
5. White screen.
(iv) Procedure :
1. Red filter is put in between a torch light and awhite screen.
2. Switch on the torch light and direct the light
towards the white screen.
3. Observe and record the colour that appears on thescreen.
4. Repeat step (1) (3) using blue filter and green
filter.
OR: Correct diagram(v) Result :
Coloured filter Colour on the screen
Red
Blue
Green
1
1
1
1
1
1
1
1
1
1
Total
1
1
2
1
4
1
10
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11
(a)
Voluntary action Involuntary action
1. Action done voluntarily /consciously
1. Action done involuntarily /unconsciously.
2. Impulse passes fromreceptor to effector through
cerebrum.
2. Impulse passes fromreceptor to effector through
medulla oblongata.
3. Response can be quicken
or delayed.3. Quick response.
4. Response involves skeletal
muscle.
4. Response involves smooth
muscle.
5. Action is controlled by
cerebrum.
5. Action is controlled by
medulla oblongata.
(b) Common characteristics:
1. Action done involuntarily.2. Quick response.
3. Action is controlled by medulla oblongata.
4. Impulse passes from receptor to effector through medullaoblongata.
5. Response involves smooth muscle.
[Any two]
Initial concept: Action done involuntarily and a quick
response are involuntary action.
Other example: Sweating // Sneezing // Blood flows
Non example : Writing// walking // singing // dancing
Actual concept: Involuntary action is done involuntarily and
a quick response.
1
1
1
1
1
1
1
1
1
1
Total
4
2
1
1
1
1
10
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SULIT SOLAF 2
12
(a)
Human activities Effect on environment
1
Burning of fossil
fuels by vehicles and
factory machinery.
Acid rain// Plant destroy //
Air pollution //Greenhouse effect //
Global warming //
2
Uncontrolled use of
chemical substance /
fertilizer / pesticides /fungicides in
agriculture.
Polluted water / lakes /rivers//
Stimulates excessive algal
growth // Eutrophication
3
Disposal of chemical
waste/ toxic
substance /radioactive substance
into waterways.
Water pollution //
Aquatic life destroy //Thermal pollution
4Use of
chlorofluorocarbon
Thinning// depletion of
ozone layer
5
Disposal of non-
biodegradablerubbish and sewage.
Landfill sites are filled
with garbage//
Land pollution //Contaminated water //
Water pollution.
6 DeforestationSoil erosion // flash floods
// landslides
[Any two human activities
and two effect]
(b) Identify of problem: Air pollution
Clarification of problem: Most factories release smoke
and poisonous gases.
Methods to solve the problem:
1. Using a tall chimney
2. Using a filter at the chimney3. Using an electrostatic precipitator / catalytic
converter.
4. Using air cleaning system
5. Law enforcement.
[Any three methods]
Best method and explanation:
Using tall chimney
2
2
1
1
11
1
1
4
6