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Soalan ramalan spm 20121511

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  • 1. SEKOLAH MENENGAH KEBANGSAAN RAJA JUMAAT,PORT DICKSON, NEGERI SEMBILAN DARUL KHUSUSSOALAN RAMALAN SPM 2012 1511/2TINGKATAN LIMA 2012SCIENCEKertas 1Nov 20122 jam Dua jam tiga puluh minit JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHUPERINGATAN!INI ADALAH SOALAN RAMALAN BUKANNYASOALAN SEBENAR, UNTUK TUJUAN SENTUHANEMAS KALI TERAKHIR SOALAN INI BOLEHDIRUJUK PADA SAT-SAAT AKHIR.19 NOVEMBER 2012 SELAMAT MENJAWAB Kertas soalan ini mengandungi 20 halaman bercetak

2. SOALAN RAMALAN SPM 2012Section A [20 marks] Answer all questions in this section. Jawab semua soalan dalam bahagian ini.1 Diagram 1 shows an experiment to study the heat conductivity of metals.Rajah 1 menunjukkan satu eksperimen untuk mengkaji kekonduksian haba logam.Diagram 1Rajah 1Table 1 shows the result form the above experiment.Jadual 1 menunjukkan keputusan daripada eksperimen di atas. Type of rod Time taken for thumbtack to dropJenis rodMasa untuk paku tekan jatuh (s)L 15 M28 N20 Table 1Jadual 1a) State the following variables in this experiment. Nyatakan pembolehubah berikut dalam eksperimen ini. i) Manipulated variable:Pembolehubah dimanipulasi...............................................................................................................................ii) Constant variable:Pembolehubah bergerak balas 2 ..........................................................................[email protected]wordpress.com 3. SOALAN RAMALAN SPM 2012b)i)Based on the result of the experiment, which metal is the most suitable to make acooking pot?Berdasarkan keputusan eksperimen, logam manakah paling sesuai dijadikanperiuk memasak?.....................................................................................................................................ii) State one inference that you can make based on b(i).Nyatakan satu inferens yang dapat anda buat berdasarkan b(i).....................................................................................................................................c) Based on this experiment, state the operational definition for heat conductivity. Berdasarkan eksperimen ini, nyatakan definisi secara operasi bagi kekonduksian haba. ............................................................................................................................................... ...............................................................................................................................................2 Diagram 2.1(a) and 2.1(b) show an experiment to study the hardness of copper block andbronze block when the weights are dropped onto a steel ball.Rajah 2.1(a) dan Rajah 2.2(b) menunjukkan satu eksperimen untuk mengkaji kekerasan blokkuprum dan blok gangsa apabila pemberat dijatuhkan ke atas bola keluli. [email protected] 4. SOALAN RAMALAN SPM 2012 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 Rajah 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.BlockDiameter of the dent / cmBlokDiameter lekukan / cm Copper Kuprum Bronze0.6 Gangsa Table 2Jadual 2a) Write down one observation from the result of this experiment. Nyatakan satu pemerhatian daripada keputusan eksperimen ini........................................................................................................................................b) Write one suitable hypothesis for this experiment. Tuliskan satu hipotesis yang sesuai untuk eksperimen ini.................................................................................................................................................................................................................................................................................c) State the following variables in this experiment. Nyatakan pembolehubah berikut dalam eksperimen ini. i)Constant variable: Pembolehubah dimalarkan ...............................................................................................................................ii)Responding variable: Pembolehubah bergerak balas ...........................................................................[email protected]wordpress.com 5. SOALAN RAMALAN SPM 20123 Diagram 3 shows an experiment to study the needs of nutrient in plant growth. Four set ofapparatus A, B, C and D are set up.Rajah 3 menunjukkan satu eksperimen bagi mengkaji keperluan bagi pertumbuhan anakbenih empat set A, B, C dan D yang telah disediakan. Corn seedling Anak benih jagungCotton CottonKapasKapas Black paper Black paperBlack paper Kertas hitamKertas hitam Kertas hitamComplete cultureCulture solutionCulture solutionDistilled watersolutionwithout nitrogen without phosporusAir suling Larutan kulturLarutan kultur Larutan kulturlengkap tanpa nitrogen tanpa fosforus Diagram 3Rajah 3a) Write down one observation from the result of this experiment. Nyatakan satu pemerhatian daripada keputusan eksperimen ini........................................................................................................................................b) Write one suitable hypothesis for this experiment. Tuliskan satu hipotesis yang sesuai untuk eksperimen ini.............................................................................................................................................................................................................................[email protected]wordpress.com 6. SOALAN RAMALAN SPM 2012c) State the following variables in this experiment. Nyatakan pembolehubah berikut dalam eksperimen ini. i)Manipulated variable: Pembolehubah dimalarkan .....................................................................................................................................ii)Responding variable: Pembolehubah bergerak balas .....................................................................................................................................d) Predict the growth of the seedling in Set C after two weeks. Ramalkan pertumbuhan anak benih dalam Set C selepas dua minggu................................................................................................................................................4 Diagram 4 shows an experiment to compare the elasticity of a natural rubber, Rubber P witha natural rubber that has been soaked in sulphur monochloride solution, Rubber Q.Rajah 4 menunjukkan eksperimen untuk membandingkan sifat kekenyalan getah asli, Getah Pdengan getah asli yang telah dicelupkan ke dalam larutan sulphur monoklorida, Getah Q.Scissors/ Gunting 10 cmNatural rubberGetah asliBeaker / BikarSulphur monochloridesolutionlarutan sulphur monoklorida ClipClip [email protected] 7. SOALAN RAMALAN SPM 2012a) Write one suitable hypothesis for this experiment. Tuliskan satu hipotesis yang sesuai untuk eksperimen ini.................................................................................................................................................................................................................................................................................b) State the following variables in this experiment. Nyatakan pembolehubah berikut dalam eksperimen ini. i)Controlled variable: Pembolehubah dimalarkan .....................................................................................................................................ii)Manipulated variable: Pembolehubah dimanipulasi .....................................................................................................................................c) Based on this experiment, which rubber is more elastic? Berdasarkan eksperimen ini, getah manakah yang lebih elastic?...............................................................................................................................................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 sperti getah [email protected] 8. SOALAN RAMALAN SPM 2012 Section B[30 marks]Answer all questions in this section.Jawab semua soalan dalam bahagian ini.5 Diagram 5 shows the pathway of nerve impulses in a body coordination of a boy whenhe was chasing by a dog.Rajah 5 menunjukkan suatu laluan impuls saraf di dalam koordinasi badan seorangbudak lelaki apabila dia dikejar seekor anjing. Neurone XNeuron X Neurone Y DogThe eyes of the boyBrainNeuron YAnjingMata budak lelakiOtak Effector R Efektor RDiagram 5Rajah 5Action Gerakbalasa) Name one system involved in this coordination? Namakan satu sistem yang terlibat di dalam koordinasi ini? .b) State the name of Nyatakan nama bagi i) Neurone X/ Neuron X : ii) Neurone Y / Neuron Y : c) What is function for neurone X? Apakah fungsi neuron Y? d) What is the reaction of the boy? Apakah tindakbalas lelaki tersebut? e) What will happen to the boy if neurone Y is injured? Apakah yang terjadi kepada lelaki sekiranya neuron Y tercedera? [email protected] 9. SOALAN RAMALAN SPM 20127 Diagram 7 shows the formation of twins.Rajah 7 menunjukkan pembentukkan kembar.Diagram7 Rajah 7a) (i)State the type of twins produced in Diagram 7.Nyatakan jenis kembar yang yang dihasikan dalam Rajah 7................................................................................................................................ (ii) Give one reason for your answer in (a)(i).Berikan satu alasan bagi jawapan di (a)(i)................................................................................................................................b) Name the organ that produces sperms. Nyatakan

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