SOLAF 2 Sains KERTAS 1

7/27/2019 SOLAF 2 Sains KERTAS 1

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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

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Science

2011Paper 1

1 hours


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This question paper consists of 18 printed pages

1. Which of the following activity is controlled by proprioceptor?

Antara berikut, aktiviti manakah dikawal oleh deria kinestesis?

A drawing a scenerymelukis 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.

Student

Pelajar

Height

Ketinggian

A 1.8 m

B 2.3 m

Table 1

Jadual 1

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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 balance

Mengawal keseimbangan badan

5 Which inherited disease is suffered by an individual that has 3 chromosomes at the 21 st 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 sabitB Colour blindness D Downs Syndrome

Buta warna Sindrom Down

6 Which of the following is true about non-identical twins?Antara berikut yang manakah benartentang 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 colour

blindness 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

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XbY XX

b

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 yangbetul?

Metals

Logam

Non-metals

Bukan logam

A Non-ductileTidak mulur

DuctileMulur

B Dull surfacePermukaan pudar

Shiny surfacePermukaan 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 DecompositionPeneutralan Endotermik Eksotermik Penguraian

15 The following information shows about metals P, Q and R.

Maklumat berikut tentang logam P, Q dan R

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Metal P reacts vigorously with cold water

Logam P bertindakbalas cergas dengan air sejuk

Metal Q does not reacts with cold water or steam

Logam Q tidak bertindakbalas dengan air sejuk atau stim

Metal R reacts with steam but not with cold water

Logam Rbertindakbalas dengan stim tapi tidak dengan air sejuk

Diagram 4

Rajah 4

Beginning of

the experiment.

Permulaaneksperimen

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?

ApakahP?

A Alpha particles B Beta particles C Gamma radiation D Neutron

Zarah alfa Zarah beta Sinar gamma Neutron

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negatively charged

bercas negative

attracted by positive charges

ditarik oleh cas-cas positif

can be blocked by an aluminium

boleh dihentikan oleh seke in aluminium

Iron ring

cincin besi

Silver

argentum

Solution X

larutan XDiagram 5

Rajah 5


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18 Which of thefollowing 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 zarahX?

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.

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SCIENCE

Convex lensKanta cembung

Diagram 7

Rajah 7

XX

Heavy nucleus

Nukleus berat

Light nucleus

Nukleus ringan

Light nucleusNukleus ringan

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 lightPembentukan 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

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BlueBiru

Green

Hijau

Red

MerahX

Diagram 8

Rajah 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 aluminium

keluli 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 gasEand conditionF?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

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Condition F

Gas E + Ammonia Urea

Gas E Ammonia Keadaan F Urea

Pure atomAtom 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 slowPepejal 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 plants

Gangguan ke atas fotosintesis pada tumbuhan hijau

29 Which of the following is an example of fungi?Yang manakah antara berikut ialah contoh kulat?

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A C

B D

NitrogenNitrogen

HydrogenHidrogen

AmmoniaAmmonia

+

200 atm,

450o C 500oC

Iron fillingSerbuk 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 for

microrganims growth?

Rajah 10 menunjukkan sejenis mikroorgansima. Suhu manakah yang paling sesuai untukmikroorganisma itu membiak?

A 10oC B 25oC C 35oC D 37oC

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?

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Sporangium

Sporangium

Diagram 10

Rajah 10

Diagram 11Rajah 11


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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 injected Boleh 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 antiserum

antiviral antikulat antibiotic antiserum

34 The diagram 12 shows the roots of a leguminous plant.

Rajah 21 menunjukkan akar tumbuhan kekacang.

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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

13

A

B

C

D

Diagram 12

Rajah 12


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What type of bacteria is found in S?

Apakah jenis bakteria yang terdapat dalam S?

A Nitrogen fixing bacteria B Nitrifying bacteriaBakteria pengikat nitrogen. Bakteria nitrifikasi

C Denitrifying bacteria D Putrefying bacteria

Bakteria pendenitritan Bakteria pereput

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.

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Total energy/kJ

Jumlah tenaga/kJ

Type of occupationJenis pekerjaan

Q

Diagram 13

Rajah 13


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Which class of food can cause the change?

Kelas makanan yang manakah boleh menyebabkan perubahan tersebut?

A Protein B Fat C Roughage D Carbohydrate

Protein Lemak Pelawas Karbohidrat

37 A farmer finds that his land is infertile. Which natural method can be used to overcome thisproblem?

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 berteres

B 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 EvaporationTranspirasi Respirasi Fotosintesis Penyejatan

39. The nitrates in the soil are returned as atmospheric nitrogen by Nitrat di dalam tanah dikembalikan sebagai nitrogen di atmosfera oleh

A Nitrogen fixing bacteria C Nitrifying bacteria

Bakteria pengikat nitrogen Bakteria penitritanB 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 yangbukan akibat pembakaran bahan api fosil?

A Global warming C Depletion of ozone layer

Pemanasan global Penipisan lapisan ozon

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Diagram 14

Rajah 14


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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 areasBanjir 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?

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 karbonB 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 onlySebatian 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.

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Diagram 15

Rajah 15


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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

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 Lejang ekzos

B Intake stroke Compression stoke Exhaust stroke Power stroke Lejang pengambilanLejang mampatan Lejang ekzos Lejang kuasa

C Intake stroke Exhaust stroke Compression stoke Power stroke

Lejang pengambilanLejang ekzos Lejang mampatan Lejang kuasa

D Intake stroke Exhaust stroke Power stroke Compression stoke

Lejang pengambilanLejang ekzos 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

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. . . . . . .

Direction of motion

Arah gerakan

Diagram 16

Rajah 16


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SOLAF 2Halaju 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 arah

B 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.

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 collision

menambahkan momentum perlanggaran

C decrease the inertia of the vehicle

mengurangkan inersia kenderaan

D decrease the velocity of the vehiclemengurangkan 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?

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Petrol engine

Enjin petrol

Diesel engine

Enjin diesel

A Causes more pollution

Menyebabkan lebih pencemaran

More eco friendly

Lebih mesra alam

B Spark plugsPalam pencucuh

Fuel injected into hot gasBahanapi dipancit ke dalam gas panas

C More efficiency

Lebih cekap

Less efficiency

Kurang cekap

D Noisy

Bising

Quiet

Senyap

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END OF QUESTION PAPER

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SOLAF 2 Sains KERTAS 1