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BioP3SPMTrialSBP08

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SULIT 4551/3 4551/3 Biologi Kertas 3 Ogos 2008 1½ jam Nama : _________________________ Tingkatan : _____________________ SEKOLAH BERASRAMA PENUH BAHAGIAN PENGURUSAN SEKOLAH BERASRAMA PENUH/ KLUSTER KEMENTERIAN PELAJARAN MALAYSIA PEPERIKSAAN PERCUBAAN SETARA SPM 2008 BIOLOGI KERTAS 3 Satu jam tiga puluh minit JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU 1. Tulis nama dan kelas anda pada ruang yang disediakan 2. Kertas soalan ini adalah dalam bahasa Inggeris. 3. Calon dikehendaki membaca
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  SULIT 4551/3 4551/3BiologiKertas 3Ogos 20081½ jamSEKOLAH BERASRAMA PENUHBAHAGIAN PENGURUSAN SEKOLAH BERASRAMA PENUH/ KLUSTERKEMENTERIAN PELAJARAN MALAYSIAPEPERIKSAAN PERCUBAAN SETARASPM 2008BIOLOGIKERTAS 3Satu jam tiga puluh minitJANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU 1. Tulis nama dan kelas anda padaruang yang disediakan 2. Kertas soalan ini adalah dalambahasa Inggeris.3.Calon dikehendaki membacamaklumat di halaman belakangkertas soalan ini. SoalanMarkahpenuhMarkahdiperolehi133217Jumlah50 Kertas soalan ini mengandungi 9 halaman bercetak 4551/3  ©  Hak cipta Sekolah Berasrama Penuh, 2008 [Lihat sebelah SULIT Nama : _________________________ Tingkatan : _____________________   SULIT 4551/3 Question 1 Lemna   minor  is a species of free-floating aquatic plants from the duckweed family Lemnaceae.The plants grow mainly by vegetative reproduction: two daughter plants bud off from the adultplant.An experiment is carried out to investigate the effect of abiotic factor such as pH on Lemna sp.growth. Experiment is done under controlled conditions: 12 hours a day light exposure andusing the same Knop’s solution.Petri dish is filled with 20 ml Knop’s solution with different pH value and 5 Lemna sp. each.The Knop’s solution is treated by adding acid or alkali to achieve the pH value needed.** Knop’s solution is a solution which contains essential nutrient for plants growth.Figure 1After 7 days, the observation is made and the result shown in Table 1.1.Table 1.1 pHvaluePetri dishNumber of  Lemna sp. 24 4551/3  ©  Hak cipta Sekolah Berasrama Penuh, 2008 [ Lihat sebelah SULIT 2 Lemna minor  Petri dishKnop’s solution  SULIT 4551/3 pHvaluePetri dishNumber of  Lemna sp. 681012 4551/3  ©  Hak cipta Sekolah Berasrama Penuh, 2008 [ Lihat sebelah SULIT 3  SULIT 4551/3 Base on the experiment, answer all questions below. (a) State the   number of  Lemna sp. in the spaces provided in Table 1.1[3 marks](b)(i)Based on Table 1.1, state two observations that can be made in this experiment.Observation 1:…….....…………………………………………………………………………..…………………………………………………………………………………………………………………………………………………………………………Observation 2:…………………..………………………………...……………………………...……………………..…………..………………………………………………………………………………………………………………………………………[3 marks](ii)State the inference for each observation made in (b) (i).Inference for observation 1:…………………………………….….…………………..……………………..…………………………………………………………………………………..…………………………………………………………………………………..Inference for observation 2:…..……………………………. …….………………..……...…………….…..………………………………………………………………………………….………………………………………………………………………………….[3 marks] 4551/3  ©  Hak cipta Sekolah Berasrama Penuh, 2008 [ Lihat sebelah SULIT 4 1 (b) (i) For examiner’suse 1 (a)1 (b) (ii)
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