Biology Paper 3

NO.KAD PENGENALAN 4551/3 Biology 3 Mei 2011 ANGKA GILIRAN 1 ½ hour JABATAN PELAJARAN NEGERI PERAK DARUL RIDZUAN BIOLOGY 3 One hour thirty minutes DO NOT OPEN THIS QUESTION PAPER UNLESS YOU ARE TOLD TO DO SO 1 2 Write your identity card number and dan index number in the given space.. Kod pemeriksa Soalan Markah penuh Candidate must read the information in page 2. 1 33 2 Respons Markah diperoleh 15 Report 2 Jumlah This question paper consists of 9 printed pages [Lihat sebelah INFORMATION FOR CANDIDATES 1. This question paper contain two questions. Answer all the question. . 10. Marks given for each question shown in the bracket. Marks given: Score Explanation 3 Excellent : Very good respond 2 Good : Good respond 1 Weak : Respond are not accurate 0 No respond or respond is wrong 1. diagram. Handed your question paper at the end of examination. 5. 8. you are advised to answer question 1 in 45 minutes and for question 2 also in 45 minutes. Diagram drawn is not use correct scale except was stated. 9. underline on that answer 6. graph or any other suitable method.. you can use simple scientific calculator. Write your answer for question 2 in test pad. A group of students carried out an experiment to study the effect of enzyme concentration on the activity of salivary amylase .Your can use equation. If you want to change your answer. Shows the calculation to get full marks. 4551/1 © 2011 Hak Cipta Jabatan Pelajaran Perak SULIT . table. 3. Write your answer for question 1 in the space given. 7. 4.2 SOLAF 2 4551/3 2. 1 shows the method used by the students.1 menunjukkan keputusan eksperimen tersebut.3 SOLAF 2 4551/3 Sekumpulan pelajar sedang menjalankan eksperimen untuk mengkaji kesan kepekatan enzim ke atas aktiviti amilase saliva.5%. Rajah 1. 1. Table 1.5%. The whole experiment in Diagram 1.5%. Masa yang diambil untuk melengkapkan hidrolisis 1% kanji ditunjukkan di dalam Jadual 1. sehingga warna kuning iodine kekal tidak berubah. Keseluruhan eksperimen pada Rajah 1.1 shows the results of the experiment.0 % and 1.1 menunjukkan kaedah yang digunakan oleh pelajar. Diagram 1 Rajah 1 Concentration of salivary amylase (%) kepekatan amylase saliva (%) Time taken for hydrolysis of starch to be completed / minutes Masa yang diambil untuk mnghidrolisiskan kanji dengan lengkap /minit 4551/1 © 2011 Hak Cipta Jabatan Pelajaran Perak SULIT .5%. Diagram 1.Rajah 1. Masa ditetapkan selang satu minit untuk memindahkan satu titik campuran C ke atas bekas marmar. Set the time at one minute intervals to transfer a drop of mixture from C into groove tile until the yellow color of iodine solution in the groove remain unchanged.0% dan 1. 1.1 was carried out using different concentration of salivary amylase which is 0.1 dijalankan dengan menggunakan kepekaran amilase saliva yang berbeza iaitu 0. The time taken for the hydrolysis of 1% starch to be completed is shown in Table 1. 1 (a)(i) Based on Table 1.5 1. 1.0 1. state two observations on the relationship between the quantity of salivary amylase and time. ----------------------------------------------------------------------------------------------------------- 4551/1 © 2011 Hak Cipta Jabatan Pelajaran Perak SULIT .1 Jadual 1. nyatakan dua pemerhatian ke atas hubungan antara kuantiti amylase saliva dengan masa.5 Table 1.1. Berdasarkan Jadual 1.4 SOLAF 2 4551/3 0.1 . --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------(3 marks) (ii) State the inference which corresponds to the observation in 1(a)(i) Nyatakan inferens yang sepadan dengan pemerhatian di 1(a)(i). (3 marks) (c)(i) Complete Table 1. Lengkapkan Jadual 1 dengan merekodkan masa yang diambil bagi larutan kanji di hidrolisiskan dengan lengkap. --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------(3 marks) (b) Complete Table 1 by recording the time taken for the starch solution to hydrolyse completely . --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 2. 1.2 berdasarkan eksperimen ini.2 based on this experiment. Variable Pembolehubah 4551/1 © 2011 Hak Cipta Jabatan Pelajaran Perak Method to handle the variable Cara mengendali pembolehubah SULIT .5 SOLAF 2 4551/3 ----------------------------------------------------------------------------------------------------------2. Lengkapkan Jadual 1. 2 (3 marks) ------------------------------------------------------------------- State the hypothesis for this experiment.6 SOLAF 2 4551/3 Manipulated variable Pembolehubah dimanipulasi ------------------------------------------------------------------------------------------------- (d) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Responding variable Pembolehubah bergerakbalas --------------------------------- ------------------------------------------------------------------- --------------------------------- ------------------------------------------------------------------- --------------------------------Controlled variable Pembolehubah kawalan --------------------------------- ------------------------------------------------------------------- --------------------------------- ------------------------------------------------------------------- --------------------------------- ------------------------------------------------------------------Table 1.1. construct a table and record the results of the experiment which includes the following aspects: Berdasarkan Jadual 1.1. binakan satu jadual dan rekodkan keputusan-keputusan eksperimen yang mana mengandungiaspek berikut:  Percentage concentration of salivary amylase 4551/1 © 2011 Hak Cipta Jabatan Pelajaran Perak SULIT . ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------(3 marks) (e) (i) Based on Table 1. Nyatakan hipotesis untuk eksperimen ini. what can you deduce about rate of salivary amylase activity? Berdasarkan eksperimen ini.7 SOLAF 2 4551/3 Peratus kepekatan amilase saliva (ii) (f)  Time taken for the starch to be hydrolysed completely /min Masa yang diambil untuk menghidrolisis kanji dengan lengkap /minit  Rate of enzyme reaction (1/time). Kadar tindakbalas enzim (1/ minit) (3 marks) On the graph paper. -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------(3 marks) (g) Based on this experiment . lukiskan graf kadar tindak balas amilase saliva melawan kepekatan amilase saliva. Pada kertas graf. draw the graph of rate of reaction of salivary amylase against the concentration of salivary amylase. apa yang anda dapat rumuskan tentangkadar tindakan amilase liur? 4551/1 © 2011 Hak Cipta Jabatan Pelajaran Perak SULIT . (3 marks) Explain the relationship between the rate of reaction of salivary amylase and the concentration of salivary amylase based on the graph in1(e)(ii) Jelaskan hubungan antara kadar tindak balas amilase saliva dan kepekatan amilase saliva berdasarkan graf dalam 1(e)(ii). Predict the time taken for the starch to hydrolyse . cavity tile. ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------(3 marks) (i) The following list is part of the apparatus and material used in this experiment. Eksperimen ini diulang menggunakan radas dan bahan yang sama. larutan kanji. Jelaskan ramalan anda.5% and the temperature used is 20o C. Kuantiti amylase saliva digunakan ialah 1. Kelaskan item kepada bahan atau radas. Jangka suhu. Diagram 2. iodine solution. Ramalkan masa diambil untuk kanji dihidrolisiskan.5% dan suhu digunakan ialah 20oC. jam randik. Stop watch . Classify the items into material and apparatus. 4551/1 © 2011 Hak Cipta Jabatan Pelajaran Perak SULIT . Explain your prediction. Salivary amylase . amilase saliva.8 SOLAF 2 4551/3 ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------(3 marks) The experiment is repeated using the same apparatus and same materials. larutan iodin. kepingan marmar.1 shows the TSA/V ratio for unicellular and multicellular organisms. Senarai berikut adalah sebahagian dari radas dan bahan yang digunakan di dalam eksperimen ini. 2. All living organisms constantly need to change substances with their surroundings in order to survive and grow. The exchange of substances such as water occurs across the plasma membrane of the cells by diffusion. Starch solution . The rate of diffusion of the substances across the plasma membrane in organisms depend on the total surface area-volume (TSA/V) ratio. Thermometer . The quantities of salivary amylase used is 1. 1 Multicellular Type of organism Base on the above information design a laboratory experiment to study the effect of total surface area-volume (TSA/V) ratio towards the rate of diffusion of substances. Pertukaran bahan contohnya air.9 SOLAF 2 4551/3 TSA / V ratio Semua benda hidup memerlukan proses pertukaran bahan antara sel dan persekitarannya untuk meneruskan proses hidup. berlaku menerusi membran plasma melalui proses resapan.1 menunjukkan nisbah JLP/I bagi organisma unisel dan multisel. Berdasarkan maklumat di atas. Kadar resapan menerusi membran plasma adalah bergantung kepada nisbah jumlah luas permukaan terhadap isipadu (JLP/I). Unicellular DIAGRAM 2. Jadual 2. reka bentuk satu eksperimen makmal untuk mengkaji kesan nisbah jumlah luas permukaan terhadap isipadu kepada kadar resapan bagi sesuatu bahan. The planning of your experiment must include the following aspects: Perancangan eksperimen anda hendaklah meliputi aspek-aspek berikut:  Problem statement 4551/1 © 2011 Hak Cipta Jabatan Pelajaran Perak SULIT . 10 SOLAF 2 4551/3 Pernyataan masalah  Hypothesis Hipotesis  Variables Pembolehubah  List of apparatus and materials Senarai alat radas dan bahan  Experimental procedure or method Prosedur atau kaedah eksperimen  Presentation of data Cara hasil dipersembahan END OF QUESTION PAPER KERTAS SOALAN TAMAT INFORMATION FOR CANDIDATES MAKLUMAT UNTUK CALON 1. This question paper consists of 2 questions: Question 1 and Question 2. 4551/1 © 2011 Hak Cipta Jabatan Pelajaran Perak SULIT . tables. 10. 5. Jika anda hendak menukar jawapan. Ikat helaian tambahan bersama-sama kertas soalan ini dan serahkan kepada pengawas peperiksaan pada akhir peperiksaan. If you wish to change your answer. Anda boleh menggunakan persamaan. Write your answers for Question 1 in the spaces provided in this question paper.SOLAF 2 11 4551/3 Kertas soalan ini mengandungi 2 soalan: Soalan 1 dan Soalan 2. 6. batalkan jawapan yang telah dibuat. Jawapan anda bagi Soalan 2 hendaklah ditulis dalam helaian tambahan yang dibekalkan oleh pengawas peperiksaan. Anda dibenarkan menggunakan kalkulator saintifik yang tidak boleh diprogram. Anda dinasihati supaya mengambil masa 45 minit untuk menjawab Soalan 1 dan 45 minit untuk Soalan 2. diagrams. 9. Markah yang diperuntukkan bagi setiap soalan atau ceraian soalan ditunjukkan dalam kurungan. You may use a non-programmable scientific calculator. Kemudian tulis jawapan yang baru. Write your answers for Question 2 on the ‘helaian tambahan’ provided by the invigilators. 8. graf dan cara lain yang sesuai untuk menjelaskan jawapan anda. The marks allocated for each question or sub-part of a question are shown in brackets. jadual. You are advised to spend 45 minutes to answer Question 1 and 45 minutes for Question 2.Jawapan anda bagi Soalan 1 hendaklah ditulis pada ruang yang disediakan dalam kertas soalan ini. Tie the ‘helaian tambahan’ together with this question paper and hand in to the invigilator at the end of the examination. 3. 2. 4. 7. Show your working. it may help you to get marks. The diagrams in the questions are not drawn to scale unless stated. 4551/1 © 2011 Hak Cipta Jabatan Pelajaran Perak SULIT . Then write down the new answer. Jawab semua soalan. You may use equations. rajah. Ceraikan Soalan 2 daripada kertas soalan ini. graphs and other suitable methods to explain your answers. ini membantu anda mendapatkan markah. Rajah yang mengiringi soalan tidak dilukis mengikut skala kecuali dinyatakan. Answer all questions. Tunjukkan kerja mengira. Detach Question 2 from this question paper. cross out the answer that you have done.