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SULIT 55/2
Nama : .. No Maktab : ..
SULIT 55/2
55/2
Sains
Kertas 2
Ogos
2009
1 ja m
MAKTAB RENDAH SAINS MARA
PEPERIKSAAN PERCUBAAN
PENILAIAN MENENGAH RENDAH 2009
SAINS Untuk Kegunaan Pemeriksa
Kertas 2 MarkahBahagian Soalan Markah
Penuh DiperolehSatu jam tiga puluh minit
1 6
JANGAN BUKA KERTAS SOALAN INI 2 6SEHINGGA DIBERITAHU
1 Tulis nama dan kelas anda pada ruang 3 6yang disediakan. A
4 72 Kertas soalan ini adalah dalam dwibahasa.
5 73 Soalan dalam bahasa Inggeris mendahului
soalan yang sepadan dalam bahasa 6 8Melayu.
7 104 Calon dibenarkan menjawab keseluruhan B
atau sebahagian soalan sama ada dalam 8 10bahasa Inggeris atau bahasa Melayu.
Jumlah 605 Calon dikehendaki membaca maklumat di
halaman belakang kertas soalan ini.
Kertas Soalan ini mengandungi 28 halaman ber cetak
[Lihat sebelah
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UseSection A
Bahagian A
[40 marks]
[40 markah ]
Answerall questions.
Jawab semuasoalan.
1 Diagram 1 shows the human excretory system.Rajah 1 menunjukkan sistem perkumuhan manusia.
P : ..
Q : ..
R : .
Diagram 1
Rajah 1
(a) On Diagram 1, label the organs P, Q and Rusing the following words:
Pada Rajah 1, labelkan organ P, Q dan R menggunakan perkataan berikut:
Skin Lung Kidney
Kulit Peparu Ginjal
1(a)
[3 marks]
[3 markah]
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Use(b) Draw lines to match each system of the human body with its function.
Lukis garisan untuk memadankan setiap sistem badan manusia dengan
fungsi masing-masing.
System Function
Sistem Fungsi
To defend the body against disease.
Untuk mempertahankan badan terhadap
penyakit.
To digest food so that it can be readilyabsorbed.
Untuk mencernakan makanan supaya ia
mudah diserap.
To transmit messages to every part of
the body.Untuk menghantar maklumat ke seluruh
bahagian badan.
To support the weight of the body and
protect internal organs.
Untuk menyokong berat badan dan
melindungi organ dalaman.
1(b)
[3 marks][ 3 markah ]
Total A1
6
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Use2 Diagram 2.1 shows a situation at a camp site.
Rajah 2.1 menunjukkan situasi pada tapak perkhemahan.
Owl
Burung hantu
Ir on rod
Rod besi
Boy HBudak lelaki H
Diagram 2.1
Rajah 2.1
(a) Based on Diagram 2.1, state the way of heat transfer from the burning firewoodto:
Berdasarkan Rajah 2.1, nyatakan cara pemindahan haba dari unggun api ke:
(i) owl / burung hantu : .
(ii) boy H / budak lelaki H : .....
(iii) iron rod / rod besi : .....2(a)
[3 marks]
[3 markah]
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Use(b) Diagram 2.2 shows two different mugs, M and N containing equal volume of
hot coffee left to cool for 10 minutes.
Rajah 2.2 menunjukkan dua mug, Mdan Nmengandungi air kopi panas
dengan isipadu yang sama dibiarkan menyejuk selama 10 minit.
White ceramic mug Black ceramic mugM NMug seramik putih Mug seramik hitam
Diagram 2.2Rajah 2.2
Based on Diagram 2.2,
Berdasarkan Rajah 2.2,
(i) state how most heat is lost from the hot coffee?nyatakan bagaimana haba paling banyak hilang daripada kopi panas?
.......................................................................................................................... 2(b)(i)[1 mark]
[1 markah]
(ii) coffee in which mug will cool faster?
Give the reason for the chosen mug.
kopi dalam mug yang manakah akan menyejuk dahulu?Berikan sebab bagi mug yang dipilih.
Mug / mug : .........
Reason / sebab : .....................................................................................
..................................................................................... 2(b)(ii)[2 mark]
[2 markah]
Total A2
6
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Use3 Diagram 3.1 shows the distribution of organisms J, K, L and M in a habitat.
Rajah 3.1 menunjukkan taburan organisma J, K, L dan Mdalam satu habitat.
JM M JK
K LJJ
JMJ J
ML K
M MJJ MK
JMJK
Diagram 3.1
Rajah 3.1
(a) Based on Diagram 3.1,
Berdasarkan Rajah 3.1,
(i) which organism represents the secondary consumer?
organisma manakah yang mewakili pengguna sekunder?
3(a)(i)
[1 mark]
[1 markah]
(ii) build a complete food chain.
binakan rantai makanan yang lengkap.
3(a)(ii)
[1 mark]
[1 markah]
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Use(iii) Circle the animals which may represent M.
Bulatkan haiwan yang mewakili M.
Tiger Grass Cow
harimau Rumput lembu 3(a)(iii)
[1 mark][1 markah]
(b) Producers synthesize food through photosynthesis. State the source of energy
for the process.
Pengeluar mensintesis makanan melalui fotosintesis. Nyatakan sumber tenagabagi proses ini.
................................................................................................................................ 3(b )
[1 mark]
[1 markah]
(c) Diagram 3.2 shows the apparatus set up to study a factor needed for
photosynthesis.
Rajah 3.2, menunjukkan susunan radas bagi mengkaji satu faktor yangdiperlukan untuk fotosintesis.
Black paper
Kertas hitam
Diagram 3.2
Rajah 3.2
(i) The plant is kept in the dark for two days, then exposed to sunlight.
Why is the plant kept in the dark?
Tumbuhan diletakkan dalam gelap selama dua hari, kemudian didedahkankepada cahaya matahari.
Mengapa tumbuhan itu diletakkan dalam gelap?
......................................................................................................................... 3(c)(i)
[1 mark]
[1 markah]
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Use4 Diagram 4.1 shows a female reproductive system.
Rajah 4.1 menunjukkan sistem pembiakan perempuan .
R
Diagram 4.1Rajah 4.1
(a) (i) Based on Diagram 4.1 , name the part labeled R.
Berdasarkan Rajah 4.1, namakan bahagian berlabel R .
4(a)(i)
[1 mark]
[1 markah]
(ii) Q is the place where the process of fusion between nucleus of sperm andovum to form a zygote. Label Q in Diagram 4.1.
Q adalah tempat di mana proses persenyawaan antara nukleus sperma dan
ovum bagi pembentukkan zigot. Labelkan Q dalam Rajah 4.1. 4(a)(ii)
[1 mark]
[1 markah]
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Use(b) Diagram 4.2 shows a method of birth control in female reproductive system.
Rajah 4.2 menunjukkan satu kaedah pencegahan kehamilan dalam sistem
pembiakan perempuan .
Device K
AlatK
Diagram 4.2
Rajah 4.2
Based on the Diagram 4.2,
Berdasarkan Rajah 4.2,
Name the device K : .
Namakan alatK
Describe how it works.
Terangkan bagaimana ia berfungsi.
..
..
..
..4(b)
[2 marks]
[2 markah]
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Use5 Diagram 5.1, shows two types of generator M and N.
Rajah 5.1, menunjukkan dua jenis penjana M dan N.
TurbineTurbineTurbinTurbin
M N
Diagram 5.1
Rajah 5.1
(a) (i) State the source of energy used by each generator.
Nyatakan sumber tenaga yang digunakan oleh setiap penjana.
M :
N : 5(a)(i)
[2 marks]
[2 markah]
(ii) State the energy change involved in generator M.Nyatakan perubahan tenaga yang terlibat dalam penjana M.
.5(a)(ii)
[1 mark][1 markah]
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UseDiagram 5.2 shows electricity transmission and distribution system.
Rajah 5.2 menunjukkan sistem penghantaran dan pengagihan elektrik.
National Grid Network
Rangkaian Grid Nasional
J
K
Diagram 5.2
Rajah 5.2
(b) (i) J and Kare two types of transformers.
State the difference in the function of J and K.
Jdan Kmerupakan dua jenis tranformer.
Nyatakan perbezaan fungsi Jdan K.
5(b )(i)
[1 mark]
[1 markah]
(ii) What is the advantage of National Grid Network?
Apakah kelebihan Rangkaian Grid Nasional?
5(b )(ii).....
[1 mark]
[1 markah]
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Use(c) Diagram 5.3, shows an electric rice cooker.
Rajah 5.3, menunjukkan sebuah periuk nasi elektrik.
Diagram 5.3
Rajah 5.3
Calculate the current flow in an electric rice cooker labeled 3000 watts and
240 volts. Suggest the most suitable fuse that can be used.
Use the following formula:
Hitungkan arus yang mengalir dalam periuk nasi elektrik yang bertanda3000 watt dan 240 volt. Cadangkan nilai fius yang paling sesuai digunakan.
Gunakan formula berikut:
Current = Power
Voltage
Arus = Kuasa
Voltan
The most suitable fius can be used is : ___________ A5(c)
Fius yang paling sesuai digunakan ialah
[2 marks]
[2 markah]Total A5
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Use6 Diagram 6.1 shows a man pulling a load of 50kg up an inclined plane to the
platform (Assume 1kg = 10N).
Rajah 6.1 menunjukkan seorang lelaki menarik beban 50kg menaiki satah condong
ke pelantar (Andaikan 1kg = 10N).Platform
Pelantar
2 metreLoad 2 meter
Beban
Diagram 6.1
Rajah 6.1
(a) (i) In the box provided in Diagram 6.1, draw an arrow to show the directionof force that opposes the motion of load.
Dalam kotak yang disediakan pada Rajah 6.1, lukiskan anak panah bagi
menunjukkan arah daya yang menentang pergerakan beban. 6(a)(i)
[1 mark]
[1 markah]
(ii) Name the force for the answer in (a)(i).
Namakan daya bagi jawapan dalam (a)(i).
6(a)(ii)
[1 mark]
[1 markah]
(iii) Calculate the work done. Use the following formula:
Hitungkan kerja yang dilakukan. Gunakan formula berikut:
Work done = Force X Distance
Kerja = Daya X Jarak
Work done : . Nmkerja 6(a)(iii)
[1 marks]
[1markah]
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SULIT 55/2 ForExaminers
Use(c) Diagram 6.3 shows, a man find it is hard to push a trolley with stuck tyres.
Rajah 6.3 menunjukkan seorang lelaki mendapati sukar untuk menolak troli
yang tayarnya tersekat.
Diagram 6.3
Rajah 6.3Based on diagram 6.3,Berdasarkan Rajah 6.3,
(i) State one way to overcome the problem without unloading the trolley.
Nyatakan satu cara untuk menyelesaikan masalah ini tanpa mengeluarkan
beban di dalam troli.
. 6(c)(i)
[1 mark]
[1 markah]
(iii) State the effect, if the problem is not overcome?Apakah kesan, sekiranya masalah ini tidak diselesaikan?
.
.
. 6(c)(ii)
[1 mark]
[1 markah]
Total A6
8
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UseSection B
Bahagian B
[20marks][20 markah]
Answerall questions.Jawab semuasoalan.
7 Diagram 7.1 shows four types of plants with different support systems.Rajah 7.1 menunjukkan empat jenis tumbuhan dengan sistem sokongan berbeza.
Orchid Cucumber
Orkid Timun
Rose Mangrove tree
Ros Pokok paya bakau
Diagram 7.1
Rajah 7.1
(a) State the parts of the plants that provide additional support to each of the plants.
Nyatakan bahagian tumbuhan yang membeir sokongan tambahan pada setiaptumbuhan.
Plants Additional support partTumbuhan Bahagian sokongan tambahan
Orchid
Orkid
CucumberTimun
Rose
Ros
Mangrove tree
Pokok paya bakau7 (a)
[4marks]
[4markah]
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Use(b) Classify the plants into two groups based on the part that provide additional
support.
Kelaskan tumbuhan kepada dua kumpulan berdasarkan pada bahagian yang
memberi sokongan tambahan.
Orchid, cucumber, mangrove tree, rose
Orkid, timun, pokok paya bakau, ros
Common characteristicsCiri sepunya
Name of the plant
Nama tumbuhan
7(b)
[4 mark]
[4 markah]
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Use(c) Diagram 7.2 shows an activity to study the support system in a plant.
Rajah 7.2 menunjukkan satu aktiviti yang dijalankan untuk mengkaji sistem
sokongan dalam tumbuhan.
Beaker Q
Bikar Q
Water
air
Aquatic plant
Tumbuhan akuatik Weight
pemberat
Diagram 7.2Rajah 7.2
Based on Diagram 7.2, state one inference from the activity.
Berdasarkan Rajah 7.2, nyatakan satu inferens daripada aktiviti ini.
7(c)
[1 mark]
[1 markah]
(d) Predict what will happen to the aquatic plant if the weight is remove frombeaker Q.
Ramalkan apa yang berlaku pada tumbuhan akuatik apabila pemberat
dikeluarkan dari bikar Q.7(d)
Total A7[1 mark]
[1 markah]10
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Use8 Diagram 8.1 shows a sugar cube of similar size added to glass P and Q.
After five minutes, the size of sugar cube is as shown in the diagram.
Rajah 8.1 menunjukkan satu gula kiub yang sama saiz dimasukan ke dalam gelas P
dan Q. Selepas lima mini,, saiz gula kiub ditunjukkan dalam Rajah.
Conditon Before After
Keadaan Sebelum Selepas
100ml water at 80o C
in glass P
100ml air pada suhu80 C dalam cawan Po
100ml water at 35o C
in glass Q
100ml air pada suhu35 C dalam cawan Qo
Diagram 8.1Rajah 8.1
Based on your observation in diagram 8.1,
Berdasarkan pada pemerhatian daripada Rajah 8.1,
(a) (i) What inference can be made?
Apakah inferens yang boleh dibuat?
8(a)(i)
[1 mark]
[1 markah]
(ii) State one hypothesis.
Nyatakan satu hipotesis.
8(a)(ii)
[1 mark]
[1 markah]
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Useb) Diagram 8.2 shows the apparatus set-up to study the effect of water temperature
on the rate of dissolving.
Rajah 8.3 menunjukkan susunan radas bagi mengkaji kesan suhu air ke atas
kadar ketelarutan.
Stir
KacauThermometer
Jangka suhu
5g of fine sugar
5g gula halus
Diagram 8.2
Rajah 8.2
The student takes the following the steps:Pelajar itu menjalankan langkah-langkah di berikut:
Step 1 : Fill a beaker with 100 ml distilled water at 40 0 C
Langkah 1 : Isikan sebuah bikar dengan 100ml air suling bersuhu 40 0 C
Step 2 : Add 5 grams of fine sugar to the water.
Langkah 2 : Tambahkan 5 gram gula halus ke dalam air.
Step 3 : Stir the mixture.
Langkah 3 : Kacau larutan tersebut.
Step 4 : Record the time taken for the fine sugar completely dissolve.
Langkah 4 : Catatkan masa yang diambil untuk gula halus larut
sepenuhnya.
Step 5 : Repeat steps 1 to 3 are by using temperature water at 50 C,0
60 C, 70 C and 80 C.0 0 0
Langkah 5 : Ulang langkah 1 hingga 3 dengan menggunakan air bersuhu
500 C, 60 0 C, 700 C and 800 C.
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Use(ii) State the variables involved in this experiment:
Nyatakan pembolehubah yang terlibat dalam eksperimen ini:
Manipulated variable
Pembolehubah dimanipulasikan
Responding variable
Pembolehubah bergerak balas
Constant variable Volume of water // mass of fine sugar
Pembolehubah dimalarkan Isipadu air // jisim gula halus
8(b)(ii)
[2 marks]
[2 markah ]
(iii) Use the graph provided on page 26 to answer this part of the question.
Gunakan graf yang disedikan dihalaman 26 untuk menjawap bahagian soalan ini.
Based on the reading in Table 8.4, draw a graph of time against temperature.
Berdasarkan bacaan dalam Jadual 8.4, lukis graf masa lawan suhu.
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UseGraph for Question 8(b)(iii)
Graf untuk soalan 8(b)(iii)
Time / sMasa / s
100
80
60
40
20
Temperature / C020 40 60 80 100Suhu / C0
8(b)(iii)
[2 marks][2 markah]
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Use(c) Based on Graph 8(b)(iii), state the relationship between the temperature of
water and the time taken for sugar to dissolve completely.
Berdasarkan Graf 8(b)(iii), nyatakan hubungan antara suhu air dan kadargula
larut sepenuhnya.
...............................................................................................................................
................................................................................................................................ 8(c)[1 mark]
[1 markah]
(d) Predict the time taken for fine sugar to dissolve completely in 100ml water at
650 C.
Ramalkan masa yang di ambil untuk gula halus larut sepenuhnya dalam100ml air yang bersuhu 65 C .0
...............................................................................................................................
................................................................................................................................ 8(d)
[1 mark][1 markah]
(e) Define operationally the meaning of the rate of dissolving.
Definasikan secara operasi kadar ketelarutan .
...............................................................................................................................
................................................................................................................................ 8(e)
[1 mark]
[1 markah]
Total A8
10
END OF THE QUESTIONS
KERTAS SOALAN TAMAT
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SULIT 55/2
INFORMATION FOR CANDIDATES
MAKLUMAT UNTUK CALON
This question paper consists of two sections: Section A andSection B .Kertas soalan ini mengandungi dua bahagian: Bahagian A dan Bahagian B.
Write your answers in the spaces provided in the question paper .
Tulis jawapan anda dalam ruang yang disediakan dalam kertas soalan. .
Show your working, it may help you get marks .
Tunjukkan kerja kira-mengira, ini membantu anda mendapat markah .
If you wish to change your answer, neatly cross out the answer that you have done. Then
write down the new answer.Sekiranya anda hendak menukar jawapan, batalkan dengan kemas jawapan yang telah
dibuat. Kemudian tulis jawapan yang baru.
The diagrams in the questions provided are not drawn to scale unless stated.
Rajah yang mengiringi soalan tidak dilukis mengikut skala kecuali dinyatakan.
Marks allocated for each question or part question are shown in the brackets.
Markah yang diperuntukkan bagi setiap soalan atau ceraian soalan ditunjukkan dalam
kurungan.
The time suggested to answer Section A is 60 minutes and Section B is 30 minutes.
Masa yang dicadangkan untuk menjawab Bahagian A ialah 60 minit dan Bahagian B
ialah 30 minit.
You may use a non-progammable scientific calculator.
Anda dibenarkan menggunakan kalkulator saintifik yang tidak boleh diprogram.
Hand in this question paper at the end of the examination.
Serahkan kertas soalan ini di akhir peperiksaan..
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@2009 Hakcipta MARA SULIT
55/2
SCIENCE
OGOS, 2009
1 hour
MAKTAB RENDAH SAINS MARAPEPERIKSAAN PERCUBAAN
PENILAIAN MENENGAH RENDAH 2009
ANSWER SCHEME
SCIENCE PMR
PAPER 2
Question Mark Scheme Marks
1(a) Able to label P, Q and R correctly
AnswerP : Lung // Peparu 1
Q: Skin // Kulit 1
R: Kidney // Ginjal 1 3
Note:
Tak boleh salah ejaan(b) Able to system of the human body with its function correctly
Answer
1
1
1 3
Note:Mark wrong if one system is matched with more than one function or
vice versa.
Total 6
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Question Mark Scheme Marks
2(a) Able to state how heat is transferred correctly
i) Owl / Burung hantu : Convection // Radiation 1
Perolakan // Radiasi
ii) Boy H / Budak lelaki H: Radiation // Radiasi 1
iii) Iron rod / Rod besi: Conduction // Konduksi 1 3
(b)(i) Able to state the method of heat lost correctlyRadiation // radiasi 1 1
(ii) Able to identify coffee in which mug will cool faster
N // Black ceramic mug 1
Mug seramik hitam
Able to give correct reasonBlack mug is a good radiator // give out heat better
Mug hitam adalah pemancar haba yang baik // membebaskan / 1 2
menghilangkan haba lebih baik
Total 6
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Question Mark Scheme Marks
3(a)(i) Able to state the organism correctlySample answers
K 1 1
Note:
Accept symbol with letter
(ii) Able to build a complete food chain correctlySample answers 1 1
J M K L
Note:mesti terdiri dari 4 organisma
huruf mesti sama dalam soalan
(iii)
Able to circle the correct animal which may M
Answer1 1
(b)
Able to state the source of energy correctly.Answer
1 1Sun // Sunlight
Matahari // suria // solar
Note:Also accept light
(c)(i)
Able the give reason why plant kept in the dark correctly.
1 1AnswerTo destarch / remove starch // to prevent photosynthesis
Menyahkan / menghilangkan kanji // menghalang fotosintesis(ii)
Able to shade the part of the leaf that turns blue black correctly
Answer
Note: 1 1
Part that turn blue black
6
Note:Must shade both part to get one mark.
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Question Mark Scheme Marks
4(a)(i) Able to name the part R correctlyAnswer
Uterus (wall) // Lining of the uterus 1 1
(Dinding) rahim // Pelapik uterus
Note:
Also accept womb
(ii) Able to label Q where fertilization occur correctly
Answer
Q
1 1
Able to name device K and describe how it work correctly(b)
Answer1
Name of device : IUCD (Intrauterine contraceptic device) // IUD
Describe how its work: Prevent implantation (of fertilized ovum) /1 2
embryo
Menghalang penempelan (ovum yang telah
disenyawakan) / embrio
Note:
Name Describe Mark
/ / 2 marks
/ X 1 mark
X / O mark
Able to mark wind pollinated flower correctly(c)(i)
1 1
SULIT 4
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7/29/2019 pmr trial exam
33/40
@2009 Hakcipta MARA SULIT
Question Mark Scheme Marks
Able to explain correctly(ii) Sample answers
1. pt1. (Characteristic)
- Has a large / long / feathery stigma // Stigma outside the flower
/ with long style 1
Mempunyai stigma besar / panjang / berbulu // Stigma beradadiluar bunga / dengan stil yang panjang.
pt2. (function)
- Expose to wind // to trap pollen (effectively)Terdedah kepada angina // untuk memerangkap butir debunga 1 2
Or
2. pt1. (Characteristic)
- Long filament // Stamen dangle / hang outside the flowerFilamen panjang // Stamen tergantung di luar bunga
pt2. (function)- Expose pollen grain to wind
Mendedahkan butir debunga ke angin
Note:
Any one correct pair
(Charteristic + function)
Total 7
SULIT 5
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7/29/2019 pmr trial exam
34/40
@2009 Hakcipta MARA SULIT
Question Mark Scheme Marks
5(a)(i) Able to state the source of energy used in M and N correctly.Answer 1
M : Water / hydro
Air
N : Natural gas / petroleum 1 2
Gas asli // petroleumReject:
Hydroelectric
(ii) Able to state the energy change involved in generator M correctly .Sample answers
- Potential (energy) Kinetic (ener gy) Electric (energy) // 1 1
- Potential (energy) (mechanical) Kinetic (energy)
Electric (energy) //
- Potential(Energy) Kinetic(energy) Mechanical(energy)Electric (energy)
(Any one only)
(b)(i) Able to state the dif ference between in the function of J and K.
AnswersTransformerJ will increase the (output) voltage while Kwill lower the 1 1
(output) voltage
Transformer Jakan menambahkan voltan (output) sementara Kakan
merendahkan voltan (output).
Note:Should have comparison between J and K
(ii) Able to give the advantage of National Grid Network correctlySample answers
- To ensure uninterrupted electrical power supply // 1 1Untuk memastikan bekalan kuasa electric tidak terganggu
- To prevent the wastage of electrical energy / lessen the cost
Untuk mengelakkan pembaziran tenaga electric / menggurangkan kos
- Enable any particular power plant to be shut down for maintenance.
Membenarkan mana-mana stesen kuasa ditutup bagipenyelenggaraan.
(Any one only)
SULIT 6
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7/29/2019 pmr trial exam
35/40
@2009 Hakcipta MARA SULIT
Question Mark Scheme Marks
5(c) Able to calculate the current flow and give suitable fuse in an
electric rice cooker correctlyAnswer
Current = 3000
240= 12.5 A 1
Most suitable fuse: 13 A 1 2
Reject:Other answer
Total 7
SULIT 7
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7/29/2019 pmr trial exam
36/40
@2009 Hakcipta MARA SULIT
Question Mark Scheme Marks
6(a)(i) Able to draw direction of force correctlySample answers
1 1
Able to give name the force for the answer in(a)(i).(ii) Answers
Frictional force 1 1
Daya geseran
Able to calculate the work done(iii) Answer
Work done = (50 X 10) X 2 1 1
= 1000 Nm
Able to state the mountain bike that is suitable to ride up a hill.Answer
b(i) (Bicycle) Q 1 1
Able to explain for answer in (b)(i).Answer
(ii) pt1. The surface of the tyre has more threads / is rougher 1
Permukaan tayar yang mempunyai lebih bunga / benang / kasar.
pt2. To increase the frictional force /grip the surface (of the hill) better. 1 2Menambahkan daya geseran / cengkaman pada permukaan
(bukit) lebih baik.
Able to state one way to overcome the problem correctly.
Sample answerc(i) Apply oil / grease / lubricant to the tyre. 1
Menggunakan minyak / gris / pelincir pada tayar.
Able to state the effect correctly.
Sample answer(ii) - Waste/ use a lot energy // membazirkan tenaga 1 2
- Produces unnecessary heat // noise // menghasilkan bunyi yang tidak
diperlukan
- The tyre will wear out quickly // hauskan tayar lebih cepat(Any one)
total 8
SULIT 8
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7/29/2019 pmr trial exam
37/40
@2009 Hakcipta MARA SULIT
Question Mark Scheme Marks
7(a) Able to state part of the plant at provide additional support.Sample answers
Type of plant Part of additional support
Orchid Roots / clasping roots 1
Akar / akar cengkamCucumber Stem /tendrils 1
Batang / sulur paut
Rose Stem / thorns 1Batang / duri
Mangrove Roots / stilt roots 1 4
Akar / akar jangkang
(b) Able to state the common characteristics and name the plant
correctly.
Sample answers
Orchid, cucumber, mangrove tree, rose
Orkid, timun, pokok paya bakau, ros
1. (Additional) support 1. (Additional) support 2through roots through stem
2. (Additional) support 2. (Additional) support
through roots not through roots
3. (Additional) support 3. (Additional) support
through stem / tendrils not through stem / tendrils
2 41. cucumber, rose1. orchid, mangrove tree
2. cucumber, rose2. orchid, mangrove tree
3.orchid, mangrove tree3. cucumber, rose
Note:
Accept any relevant answer.
SULIT 9
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7/29/2019 pmr trial exam
38/40
@2009 Hakcipta MARA SULIT
Question Mark Scheme Marks
7(c)(i) 1 1Able to state inference correctlySample answers
- The aquatic plant is upright because it is supported by the
buoyancy of water.
Tumbuhan aquatic tegak kerana disokong oleh daya apungan
air(ii) - The position of the aquatic plant depends on the presence of
water
Kedudukan tumbuhan aquatic bergantung kepada kehadiran air
[any one]
Able to predict what happen to the plant correctly
Answers
- The aquatic plant will float 1 1Tumbuhan aquatic akan terapung
Total 10
SULIT 10
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7/29/2019 pmr trial exam
39/40
@2009 Hakcipta MARA SULIT
Question Mark Scheme Marks
8(a)(i) Able to state one inference correctlySample answers
1. the temperature of water affect / influence the size of sugar cube 1 1
Suhu air mempengaruhi saiz gula kiub.
2. the size of sugar kiub depend on the temperature of water/ hotness
Saiz gula kiub dipengaruhi oleh suhu / kepanasan air[ Any one]
Reject:
Answer regarding rate of dissolving / time.
Able to state hypothesis(ii) Sample answer
The higher temperature of water, the smaller the size of sugar cube/
vise versa. 1 1Semakin tinggi suhu air, semakin kecil saiz gula kiub / sebaliknya
(b)(i) Able to record correct reading
Answer 1 1
48sec(ii)
Able to state the manipulated and responding variable correctlyAnswer
Manipulated variable : temperature of water / suhu air
Responding variable : time taken to fine sugar dissolve / masa yang 1diambil untuk gula halus larut 1 2
SULIT 11
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7/29/2019 pmr trial exam
40/40
@2009 Hakcipta MARA SULIT
Question Mark Scheme Marks
8(b)(iii) Able to draw graph of time against temperature correctlyAnswers
1
1 2
X
X
X
X
X
Note:
Able to plot all point correctly
Able to joint all the point smoothly
Able to state relationship correctly(c) Answers
The higher temperature of water, the shorter time taken for sugar 1 1dissolves. Vice versa.
Semakin tinggi suhu air, semakin singkat masa diambil untuk gula
melarut. sebaliknyaReject:
Temperature affect time taken for sugar dissolve.
Able to predict time taken correctly(d) Answers
(37+1sec) 1 1
Able to define operationally the meaning of rate of dissolving(e) Answers
1 1The rate of dissolving is the time taken for sugar to dissolve (atdifferent temperature).
Kadar keterlarutan ialah masa yang diambil untuk gula melarut pada total 10
suhu yang berbeza.
SULIT 12