SCIENCE PAPER 1 May 1 ¼ HOUR
LAJNAH IMTIHAN
SMA TOH PUAN HAJAH RAHMAH KOTA KINABALU ________________________________________________________________________________ PEPERIKSAAN SEMESTER 1 2013 TINGKATAN 5 ________________________________________________________________________________ SAINS KERTAS 1
Satu jam lima belas minit
________________________________________________________________________________ JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU
1. Kertas soalan ini adalah dalam dwibahasa.
2. Soalan dalam bahasa Inggeris mendahului soalan yang sepadan dalam bahasa Melayu. 3. Jawab semua soalan.
4. Hitamkan jawapan yang betul pada kertas OMR yang disediakan.
__________________________________________________________________________________ Kertas soalan ini mengandungi 20 halaman bercetak.
Each question is followed by four choices of answer. Choose the best answer for each question. 1. Algae contain chlorophyll and carry out photosynthesis to produce food.
Which of the following is a process that enables algae to make food?
Alga mengandungi klorofil dan menjalankan fotosintesis untuk menghasilkan makanan. Manakah berikut proses yang membolehkan alga menghasilkan makanan?
A Synthesis sintesis B Parasitism Parasit C Saprofitism Saprofit D Photosynthesis Fotosintesis
2. “____________is used to produce insulin commercially to treat diabetic patients. “
“_____________ berguna untuk manghasilkan insulin secara komersil bagi merawat penyakit kencing manis.” A Virus
B Algae
C Bacteria D Protozoa
3. Figure shows a type of reproduction.
Gambarajah menunjukkan sejenis pembiakan.
Which of the following is the type of reproduction shown? Manakah berikut menunjukkan jenis pembiakan yang di atas? A Budding Percambahan B Conjugation Konjugat C Binary fission Belahan dedua D Formation of spores Pembentukan spora
4. A mixture of sugarcane juice and yeast is left in a conical flask for a few days. Which of the following processes will occur?
Suatu campuran antara jus tebu dengan yis diletakkan di dalam kelalang kon untuk beberapa hari. Manakah antara berikut proses yang akan berlaku?
A Distillation Penyulingan B Esterification Pengesteran C Fermentation Penapaian D Decomposition Penguraian
5. Figure shows a type of microorganism.
Gambarajah dibawah menunjukkan sejenis mikroorganisma.
It is used in the production of ________________ Ia berguna untuk menghasilkan ______________ I alcohol alkohol II cheese keju III bread roti IV yoghurt Dadih A I and II B I and III C II and III D II and IV
6. Which of the following diseases can be prevented by vaccination? Manakah berikut penyakit yang boleh dicegah melalui pemvaksinan? A Malaria malaria B Tetanus Kancing gigi C Ringworm kurap D Pneumonia
Pneumonia
7. Which of the following organisms reproduce by spore formation?
Manakah berikut organisma yang membiak melalui pembentukan spora?
I Algae II Fungi III Bacteria A I only B II only C I and II only D II and III only
8. Which of the following conditions is most suitable for the reproduction and growth of microorganisms? Manakah antara syarat-syarat berikut paling sesuai untuk pembiakan dan perkembangan mikroorganisma?
9. Figure shows the life-cycle of a housefly. Rajah menunjukkan kitaran hidup seekor lalat.
At which stage is the housefly most easily controlled? pH Temperature (0C) Suhu Light intensity Keamatan cahaya A 3 15 Bright Terang B 7 35 Faint Malap C 7 15 Bright Terang D 10 35 Faint Malap A D C B
Pada peringkat mana lalat paling senang di kawal?
10. Four filter paper discs A, B, C and D are soaked in different antibiotic solutions and placed on nutrient agar which contains bacteria culture. After two days, the results are shown as below
Empat kertas turas A, B, C dan D dititikkan antibiotik yang berbeza-beza kepekatan dan diletakkan atas agar-agar nutrient yang mengandungi bacteria. Selepas dua hari, keputusan adalah seperti berikut.
Agar nutrient + bakteria
Kawasan bersih
Which antibiotic is the most effective in killing the cultured bacteria? Manakah antibiotic yang paling berkesan untuk membunuh kultur bacteria?
10. When plants and animals die, the protein in their body tissues will be decomposed. Which are the following are decomposers?
Apabila tumbuhan dan haiwan mati, protein yg terdapat pada tumbuhan dan haiwan itu akan diurai. Mana antara berikut merupakan agen pengurai?
I. Protozoa II. Bacteria III. Fungi A I and II only B I and III only C II and III only D I, II and III
12. Kwashiorkor is disease caused by_______________
Kwashiokor adalah penyakit yang disebabkan oleh _____________. A Lack of protein
Kekurangan protein B A lot of protein
Terlalu banyak protein
B
A
C
D
Nutrient agar + bacteria
C Excess of protein Berlebihan protein D Enough of protein
Protein mencukupi
13. ____________________ is the process in which a green plant makes food using sunlight, water and carbon dioxide.
____________________ adalah proses dimana tumbuhan hijau membuat makanan menggunakan cahaya, air dan karbon dioksida.
A Decaying pereputan B Respiration respirasi C Transpiration transpirasi D Photosynthesis fotosintesis
14. Which of the following does not affect the caloric requirement of an individual? Manakah antara berikut tidak memberi kesan terhadap keperluan tenaga seseorang?
A Age umur B Sex jantina C Race bangsa D Body size saiz badan
15. The equation below represents photosynthesis. Persaman di bawah mewakili fotosintesis.
What do X and Y represent? Apakah yang mewakili X dan Y?
X Y
A Sugar
Gula NitrogenNitrogen
B Sunlight Cahaya matahari Chlorophyll Klorofil C Chlorophyll Klorofil Nitrogen Nitrogen X
Carbon dioxide + water Glucose + Oxygen Y
D Chlorophyll klorofil
Amino acid Asid amino
16. Fatimah always avoids eating for fear of growing fat. This psychological problem can cause ____________ Fatimah selalu mengelakkan makanan yg boleh menyebabkan gemuk. Masalah psikologi ini boleh
menyebabkan ______________. A Obesity B Malnutrition C Kwashiorkor D Aneroxia nervosa
17. The caloric requirement of a person is minimum when the person is________ Keperluan kalori oleh seseorang adalah minimum apabila dia __________ A Singing menyanyi B Sleeping tidor C Standing berdiri D Swimming berenang
18. A construction worker needs more calories than a clerk because ______________ Buruh binaan memerlukan lebih kalori berbanding kerani kerana ______________
A The rate of metabolism is higher Kadar metabolisma lebih tinggi B More energy is lost from the body
Banyak tenaga hilang daripada badan C A lot of the body cells are damage
Terlalu banyak sel badan musnah. D The amount of fat tissues decreases
Jumlah tisu lemak berkurang
19. Figure shows a cross-section of the artery of a 35 years old male.
Rajah menunjukkan keratin rentas arteri seorang perempuan berumur 35 tahun.
What is the disease related to the condition?
Lumen
Deposit of cholesterol
Apakah penyakit berkaitan rajah tersebut? A Diabetis
B Obesity C Kwashiorkor D Arteriosclerosis
20. The bar chart shows the calorific value for three types of food. Carta bar menunjukkan nilai kalori untuk tiga jenis makanan. L K Calorific value nilai kalori M Food
Which of the following can represent the food K, L, M? Manakah berikut boleh mewakili K, L, M?
K L M
A Butter
Mentega Vegetablessayur BreadRoti
B Vegetables Sayur Bread Roti Butter Mentega C Bread Roti Butter Mentega Vegetables Sayur D Butter Mentega Bread Roti Vegetables Sayur
21. Figure shows an ecosystem of a pond which consists of plants and animals.
Rajah menunjukkan satu ekosistem dalm tasik yang mengandungi tumbuhan dan haiwan.
Which of the following are producers?
Manakah antara berikut merupakan pengeluar?
I II
A I and II only B I and III only C II and III only D I, II and III
22. The ozone layer consists of ozone molecules. An ozone molecule is made up of three __________ atoms. Lapisan ozon mengandungi molekul ozon. Satu molekul ozon dibina daripada tiga atom ___________. A oxygen
B nitrogen C hydrogen D carbon dioxide
23. The continous use of chlorofluorocarbon (CFC) causes the thinning of the ozone layer which will affect human health.
What is the effect of using CFC?
Penggunaan CFC boleh memberikesan terhadap lapisan ozon. Apakah kesan terhadap panggunaan CFC? A The ozone layer will increase in devisity
Lapisan ozon akan menebal
B The ozone layer will decrease in the thickness Lapisan ozon akan menipis
C The ozone layer will remain at the same height Lapisan ozon akan kekal seperti asal D The ozone layer will burning.
Lapisan ozon akan terbakar
24. The increase in the earth’s temperature due to accumulation of carbon dioxides that traps the heat from the sun is known as _________
Peningkatan suhu bumi yang disebabkan oleh carbon dioksida memerangkap haba dari matahari dikenali sebagai __________ A acid rain Hujan asid B global warning Amaran global C ozone depletion Penipisan ozon D greenhouse effect
Kesan rumah hijau
25. Wastes that can be decomposed into simple inorganic substances by microorganisms are known as ______________________
Sisa buangan yang diurai kepada bahan tak organic oleh mikroorganisma dikenali sebagai ___________ A non-biodegradable waste
Sisa buangan tidak boleh dilupus B biodegradable wastes
C domestic waste
Sisa buangan perumahan D chemical waste
Sisa buangan bahan kimia 26.
Which of the following animals are secondary consumers in the food web?
Manakah haiwan berikut merupakan pengguna sekunder dalam siratan makanan? A Sparrow, snake and eagle
Burung laying-layang, ular dan helang B Sparrow and snake
Burung laying-layang dan ular C Sparrow and eagle
Burung laying-layang dan helang D Snake and eagle
Ular dan helang
27. The effects of uncontrolled deforestation include………
Kesan penebangan hutan yang tak terkawal termasuklah ………. I Acid rain
Hujan asid II Landslides
Tanah runtuh III Flash floods
Banjir kilat
IV Green house effect Kesan rumah hijau A I and II only B III and IV only C I,II and III D II,III and IV Sparrow Eagle Snake Rat Paddy Maize
28. Diagram shows a food web.
Diagram menunjukkan siratan makanan.
Green plant Grasshopper
Rabbit Eagle Snake
What will happen if all birds die? (Apa yang akan terjadi jika burung mati?) A The number of grasshopper will decrease
Bilangan belalang akan berkurang
B The number of green plant will decrease Bilangan tumbuhan hijau akan berkurang C The number of eagles will remain the same
Bilangan helang akan kekal sama D The number of snakes will increase
Bilangan ular akan bertambah 29.
Figure shows the set up of apparatus which are placed under sunlight. Why do the fishes in beaker Y die first?
Rajah menunjukkan susunan radas yang diletakkan bi bawah cahaya matahari. Kenapa ikan dalam bikar Y mati terlebih dahulu?
A There is no weeds to supply food.
Tiada rumpai untuk membekalkan makanan B The layer of oil prevents air dissolving in the water.
Lapisan minyak menghalang udara melarut di dalam air. C There is not enough carbon dioxide gas for the fishes
Ikan-ikan tidak mendapat karbon dioksida dengan cukup D The water become contaminated with oil
Air tercemar oleh minyak.
30. Which of the following will not increase the earth’s temperature? Water
weeds Lapisan minyak
Water
fish sand
X Y
Mana yang berikut tidak akan menyebabkan pemanasan suhu bumi? A decrease of carbon dioxide
Pengurangan karbon dioksida B Increase of carbon dioxide
Peningkatan karbon dioksida C Increase of oxygen
Peningkatan oksigen D Decrease of CFC
Pengirangan CFC 31. Oil is one example of fat.
What are the elements contain in oil? Minyak adalah satu contoh lemak.
Apakah unsure yang terdapat dalam minyak? A Carbon, Nitrogen and Oxygen B Carbon, Hydrogen and Oxygen C Sulphur, Nitrogen and Hydrogen D Sulphur, Oxygen and Carbon.
32. Glycerol and soap are formed by the reaction between fat and alkaline. What are the substances needed to form soap?
Geliserol dan sabun terbentuk dari tindakbalas antara lemak dan alkali. Apakah bahan yang diperlukan untuk menghasilkan sabun?
A Glycerol and Alkaline B Glycerol and Fat C Fat and Alkaline D Fat and Glycerol
33. The equation below shows the breakdown of a polymer. Persamaan di bawah menunjukkan pemecahan polimer.
What is process X ? Apakah proses X? A Oxidation B Polymerisation C Neutralisation D Depolymerisation
34. Alcohol + Organic acid Ester + water
Process X
Concentrated Sulphuric acid
Name this process? Namakan proses di atas?
A Esterification B Fermentation C Neutralization D Polymerization
34. Which diagram shows vulcanized rubber?
Mana satu diagram di bawah yang menunjukkan pemvulkanan getah? A
B
C
D
36. Which of the following nutritional substances is found rich in palm oil?
Mana satu nutrient-nutrien berikut terdapat dengan banyak dalam minyak kelapa sawit? A Iodine
B Protein C Vitamin C D Vitamin E
37. The diagram below shows a section through the oil palm fruit Diagram di bawah menunjukkan bahagian di dalam buah sawit.
P Q R S
Which part of the oil palm fruit is the mesocarp? Mana satu bahagian merupakan mesokap?
A P
B Q
C R
D S
38. Figure shows the addition of solution X into latex to coagulate it.
Rajah menunjukkan larutan X ditambah ke dalam susu getah untuk pembekuan susu getah.
What is solution X ? Apakah larutan X? A Ammonium solution Larutan ammonium B Salt solution Larutan garam C Ethanoic acid Asid etanoik D Lime water Air kapur
39. Excessive intake of saturated fat in the diet can cause………
Pengambilan lemak tepu berlebihan dalam makanan boleh menyebabkan… I hepatitis hepatitis II heart attack Serangan jantung III arteriosclerosis arteriosclerosis A I and II B I and III Solution X Latex
C II and III D I, II and III
40. The figure shows a rubber molecule covered by a membrane. The rubber molecule can be released from the membrane by adding a solvent into the latex.
Rajah menunjukkan molekul getah yang dilindungi membran. Molekul getah boleh dibebaskan dari membran dengan menambah suatu larutan ke dalam susu getah.
Which of the following can be used to replace the solvent? Mana antara berikut boleh menggantikan larutan tersebut? . A Lime water Air kapur B Orange juice Jus oren C Salt solution Larutan garam D Glucose solution Larutan glukos
41. Which of the following shows the correct definition of pressure? Mana berikut menunjukkan definasi yang betul bagi tekanan? A Pressure tekanan) = Distance traveled ( jarak ) Time taken (masa)
B Pressure (tekanan) = Force ( daya ) Area (luas permukaan)
C Pressure (tekanan) = Velocity ( halaju ) Time taken (masa)
D Pressure (tekanan) = Mass ( jisim ) Velocity (halaju)
membrane
rubber molecules
42. Figure shows a four-stroke petrol engine. Rajah menunjukkan enjin petrol empat lejang.
Which type of stroke is shown in the diagram? Manakah jenis lejang berikut menunjukkan diagram di atas?
A Power stroke Lejang kuasa B Intake stroke Lejang masukan C Exhaust stroke Lejang ekzos D Compression stroke Lejang mampatan
43 When the sheet of cardboard is quickly hit out from its position, the coin drops into the glass. Apabila kadbod di tarik dengan cepat dari posisinya, duit siling akan jatuh ke dalam gelas.
This is due to the…….. Ini disebabkan oleh… A inertia of the coin.
Inersia pada syiling B momentum of the coin. Momentum pada syiling C density of the coin. Ketumpatan syiling D mass of the coin. Jisim syiling
44. Figure shows the structure of a rocket Rajah menunjukkan struktur sebuah roket.
Fuel R for the rocket is most likely to be………. Bahan baker bagi roket adalah…
A diesel diesel B kerosene kerosin C liquid butane cardbord coin Cardboard is hit out glass Coin falls into glass Fuel R Liquid oxygen
Cecair butana D liquid hydrogen Cecair hidrogen 45. Figure shows an aeroplane.
Rajah menunjukkan kapal terbang.
Identify the forces P, Q and R acting on the aeroplane in flight.
Kenalpasti daya P, Q dan R yang bertindak ke atas kapal terbang semasa terbang
P Q R A Thrust Tujah Drag Geseran Lift angkat B Drag geseran Gravity graviti Thrust tujah C Thrust Tujah Lift angkat Drag geseran D Lift angkat Thrust tujah Gravity graviti 46. The following information explains a stage in a four-stroke diesel engine.
Maklumat berikut menerangkan peringkat-peringkat dalam enjin diesel empat lejang.
• Both valves of the cylinder are closed Kedua-dua injap selinder tertutup
• Diesel is sprayed into the cylinder Diesel disembur ke dalam selinder
• The piston moves downwards Piston bergerak ke bawah
Which of the following stages refer to the information above? Mana peringkat berikut merujuk kepada maklumat di atas? A Intake stroke Lejang masukan B Power stroke P Q R
Lejang kuasa C Exhaust stroke Lejang ekzos D Compressed stroke Lejang mampatan
47. The diagram shows a device used for demonstrating Pascal’s principle.
Diagram menunjukkan satu alat yang digunakan untuk menerangkan prinsip pascal.
What happens when the piston is pushed forward? Apa berlaku jika piston di tolak ke depan?
A Water squirts equally from P and Q only. Air dipancut samarata pada P dan Q sahaja B Water squirts equally from Q and R only
Air dipancut samarata pada Q dan R sahaja C Water squirts equally from P, Q and R only.
Air dipancut samarata pada P, Q dan R D Water squirts equally from P, Q, R and S.
Air dipancut samarata pada P, Q dan S. 48. Figure shows the flow of air past an aerofoil.
Rajah menunjukkan pengaliran udara melalui aerofoil.
Which statement is correct about P and Q?
Mana kenyataan berikut adalah betul mengenai P dan Q? A The air flows faster at P but slower at Q.
Udara melalui P dengan laju dan Q dengan perlahan Water P Q R S Piston forward P Q Aerofoil
B The air flows slower at P but faster at Q.
Udara melalui P dengan perlahan dan Q dengan laju C The air at P and Q flow at the same rate
Udara pada P dan Q mengalir samarata D The air at Q not move.
Udara pada Q tidak bergerak. 49. Figure shows a boat floating in water.
Rajah menunjukkan bot terapung atas air.
Choose the correct statements about the diagram Pilih kenyataan yang betul mengenai diagram di atas.
I The up thrust of the boat is equal to the weigh of boat Daya tujah ke atas bot adalah sama dengan berat bot
II The weight of the boat is more than the weight of the water displaced Berat bot adalah lebih besar dari berat air yang disesarkan
III The weight of the water displaced by the boat is equal to the up thrust acting on the boat
Berat air yang disesarkan oleh bot adalah sama dengan daya tujah ke atas yang bertindak ke atas bot. A I and II only
B II and III only C I and III only D I,II and III
50. A ticker-timer connected to a 50 Hz supply was used to measure the velocity of a trolley moving with constant velocity. Figure below shows a section of the tape.
Sebuah jangka masa detik dihubung ke penggetar 50Hz bagi mengukur halaju sebuah troli yang bergerak dengan halaju malar. Rajah di bawah menunjukkan keratan pita yang dignakan.
.
Determine the velocity of the trolley. Dapatkan halaju troli.
You are given, =
Timetaken nt Displaceme velocity
Anda diberi. halaju = _jarak_
masa A 5.0 cm s−1
B 10 cm s−1 C 25 cm s−1 D 50 cm s−1
