Kertas Soalan Biologi Spm Kertas 2 Pep.Tahun Ting 4

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SULIT4551/2 BIOLOGI Kertas 2 MEI 2009 2 Jam 30 Minit

1Nama :______________________________________________ Kelas : ______________________________________________

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Soalan UNIT PENILAIAN DAN PEPERIKSAAN SEKOLAH MENENGAH KEBANGSAAN SRI AMAN PEPERIKSAAN PERTENGAHAN TAHUN 2009 TINGKATAN 4 ____________________________________________________________ BIOLOGI Kertas 2 Dua jam tiga puluh minit __________________________________________________________ JANGAN BUKA KERTAS INI SEHINGGA DIBERITAHU 6 7 8 9 10 11 12 Jumlah Kertas 2 Jumlah Kertas 1 Jumlah keseluruhan Gred Keseluruhan 1 2 3 4 5

Markah Penuh 5 5 5 5 6 6 6 6 6 10 10 10 70 50 120

Markah Diperoleh

1. Tuliskan nama peuh dan kelas anda pada ruang yang disediakan 2. Kertas soalan iniadalah dalam dwibahasa3. Calon dikehendaki membaca maklumat pada halaman 2

__________________________________________________________ Kertas ini mengandungi 15 halaman bercetak

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2 SECTION A [60 marks] Answer all questions

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1.

Figure 1 shows a fluid mosaic model of a plasma membrane

Figure 1 Label any two structures J, K, L or M in Figure 2 using the following terms Cholesterol Hydrophilic head Hydrophobic tail Protein carrier Protein pore [1 mark] Molecule can pass through structure L in Figure 1 by facilitated diffusion (i) State one characteristics of the molecule that can pass through structure L ___________________________________________________________________ [1 mark] (ii) Explain how molecules pass through L ___________________________________________________________________ [3 marks] State one characteristic of the plasma membrane based on the model in Figure1 ______________________________________________________________________ [1 mark] Using the mechanism of movement of a substance across the plasma membrane through osmosis : (i) Explain why food is preserved using concentrated sugar solution ______________________________________________________________________ [3 marks] (ii) Sketch a diagram to show the movement of the substance that you have described (d) (i) [3 marks] 1 Azneezal Ar-Rashid sebelah 4551/2 2009 Hak Cipta SMK Sri Aman [ Lihat5

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2.

Diagram 2 shows a plant cell as seen under an electron microscope

Diagram 2 (i) On Diagram 2, label the structures P, Q, R and S [4 marks] (ii) State the function of structure : P : _________________________________________________________ Q : _________________________________________________________ [2 marks] State the role of R to maintain cell turgidity ______________________________________________________________________ [2 marks] Every somatic cell which contains structure Q has a potential to form a complete new organism (i) Name the technique used to produce new plants in large quantities ___________________________________________________________________ [1mark] (ii) By using one suitable part of the plant, explain the technique in 1 (c) (i) ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ [4 marks]

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Diagram 3 shows the different stages which take place during cell division. Rajah 1 menunjukkan peringkat berlainan yang berlaku semasa pembahagian sel.

K

L

M DIAGRAM 3.1

N

Name the cell division shown in Diagram 3.1. Namakan pembahagian sel yang ditunjukkan dalam Rajah 1 ____________________________________________________________________ [1 mark] Arrange the stages in Diagram 3.1 according to the correct sequence of events during cell division. Susunkan peringkat-peringkat dalam Rajah 3.1 mengikut tertib yang betul semasa pembahagian sel. _____________________________________________________________________ [1 mark]

1(

1(b)

Azneezal Ar-Rashid sebelah 4551/2 2009 Hak Cipta SMK Sri Aman

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SULIT Name the stages labeled K and N

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K : _________________________________________________________________ N : _________________________________________________________________ [2 marks] Explain the behaviour of chromosomes during stages K and N Terangkan perlakuan kromosom semasa peringkat K dan N K : _________________________________________________________________ N : _________________________________________________________________ [2 marks] Diagram 3.2 shows an experiment carried out on animal cloning by using two different species of frogs. Rajah 3.2 menunjukkan satu eksperimen pengklonan haiwan dengan menggunakan dua spesis katak yang berbeza.

Diagram 3.2 Azneezal Ar-Rashid sebelah 4551/2 2009 Hak Cipta SMK Sri Aman [ Lihat SULIT

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Based on Diagram 3.2, state the meaning of cloning. Berdasarkan Rajah3. 2, nyatakan maksud pengklonan _____________________________________________________________________ [1 mark] Name the type of reproduction shown in Diagram 2. Give a reason for your answer. Namakan jenis pembiakan yang ditunjukkan dalam Rajah 2. Berikan satu sebab untuk jawapan anda. ____________________________________________________________________ ____________________________________________________________________ [2 marks] Describe why a mature liver cell is used in this experiment Huraikan mengapa sel hati yang matang digunakan dalam eksperimen ____________________________________________________________________ ____________________________________________________________________ [2 marks] Based on Diagram 2, name the species of frog that will be produced at the end of the experiment. Berdasarkan Rajah 2, namakan spesis katak yang akan dihasilkan di akhir eksperimen. ____________________________________________________________________ [1 mark] Explain your answer in (g) ____________________________________________________________________ [1 mark]

1(i)

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4.

Diagram 1.1 shows a different phases of cell cycle. The phases A consists of 3 phases, X, Y and Z. Rajah 1.1 menunjukkan fasa-fasa berbeza dalam satu kitar sel. Fasa A terdiri daripada 3 fasa, X, Y dan Z.Phase A

X Yphase C

Zphase B

Diagram 1.1 Rajah 1.1 (a) (i) Name phase A. Namakan fasa A. [1 mark] (ii) State what happen in the subphases X, Y and Z. Nyatakan apa yang berlaku dalam subfasa X, Y dan Z. Subphase X: Subphase Y: Subphase Z: [3 marks]

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Diagram 1.2 Rajah 1.2 (b) (i ). Diagram 1.2 shows an animal cell in a certain stage of phase B. In the box provided below, draw a diagram to show the structure of the cell in the next stage of phase B. Rajah 1.2 menunjukkan satu sel haiwan dalam satu peringkat tertentu fasa B. Dalam kotak di bawah, lukis rajah menunjukkan struktur sel itu dalam peringkat berikutnya bagi fasa B.

[2 marks] (ii ) Describe the behavior of chromosomes in the diagram that you have drawn. Huraikan kelakuan kromosom dalam rajah yang anda lukiskan itu. [2 marks] (c) Compare phase C of an animal cell and a plant cell. Bandingkan fasa C bagi satu sel haiwan dan satu sel tumbuhan. [2 marks] (d) Cancer is a genetic disease cause by uncontrolled mitosis. Kanser adalah satu penyakit genetik yang disebabkan oleh mitosis yang tidak terkawal. (i ) What is the cancer cell? Apakah sel kanser? [1 mark] (ii) Describe how cancer cell is formed. Huraikan bagaimana sel kanser terbentuk. [2 marks] Azneezal Ar-Rashid sebelah 4551/2 2009 Hak Cipta SMK Sri Aman [ Lihat SULIT

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Diagram 5 shows a nucleotide from a DNA molecule

Diagram 5.1 Name the structure P and Q P : _________________________________________________________ Q : _________________________________________________________ R : _________________________________________________________ [3 marks] State three importance of nucleic acids in cell 1. ______________________________________________________________ 2. ______________________________________________________________ 3. ______________________________________________________________ [3 marks] A DNA molecule consists of two nucleotide chains Complete Diagram 3.2 below to show a DNA molecule Part of one nucleotide chains has been drawn

Diagram 5.2 [3 marks] Azneezal Ar-Rashid sebelah 4551/2 2009 Hak Cipta SMK Sri Aman [ Lihat SULIT

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