Kertas Soalan Biologi Spm Kertas 2 Pep.Tahun Ting 4

SULIT 1 4551/2

4551/2 Nama :______________________________________________BIOLOGI Kertas 2 Kelas : ______________________________________________MEI 20092 Jam 30 Minit

UNIT PENILAIAN DAN PEPERIKSAANSEKOLAH MENENGAH KEBANGSAAN SRI AMAN

PEPERIKSAAN PERTENGAHAN TAHUN 2009TINGKATAN 4

____________________________________________________________

BIOLOGIKertas 2

Dua jam tiga puluh minit __________________________________________________________

JANGAN BUKA KERTAS INI SEHINGGA DIBERITAHU

1. Tuliskan nama peuh dan kelas anda pada ruang yang disediakan2. Kertas soalan iniadalah dalam dwibahasa3. Calon dikehendaki membaca maklumat pada halaman 2

__________________________________________________________

Kertas ini mengandungi 15 halaman bercetak

4551/2 SULIT

Soalan Markah Penuh

MarkahDiperoleh

1 5

2 5

3 5

4 5

5 6

6 6

7 6

8 6

9 6

10 10

11 10

12 10

JumlahKertas 2

70

Jumlah Kertas 1

50

Jumlahkeseluruhan

120

Gred Keseluruhan

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SECTION A [60 marks]

Answer all questions

1. Figure 1 shows a fluid mosaic model of a plasma membrane

Figure 1(a Label any two structures J, K, L or M in Figure 2 using the following terms

CholesterolHydrophilic headHydrophobic tail

Protein carrierProtein pore

[1 mark]

(b 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](c State one characteristic of the plasma membrane based on the model in Figure1

______________________________________________________________________[1 mark]

(d 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]

Azneezal Ar-Rashid [ Lihat sebelah4551/2 © 2009 Hak Cipta SMK Sri Aman SULIT

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

Diagram 2(a (i) On Diagram 2, label the structures P, Q, R and S

[4 marks](ii) State the function of structure :

P : _________________________________________________________ Q : _________________________________________________________

[2 marks](b State the role of R to maintain cell turgidity

______________________________________________________________________[2 marks]

(c 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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3. 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 N

DIAGRAM 3.1

(a) Name the cell division shown in Diagram 3.1. Namakan pembahagian sel yang ditunjukkan dalam Rajah 1____________________________________________________________________

[1 mark](b) 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)

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(c) Name the stages labeled K and N

K : _________________________________________________________________

N : _________________________________________________________________ [2 marks]

(d) Explain the behaviour of chromosomes during stages K and NTerangkan perlakuan kromosom semasa peringkat K dan N

K : _________________________________________________________________

N : _________________________________________________________________

[2 marks](e) 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


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(d) Based on Diagram 3.2, state the meaning of cloning.Berdasarkan Rajah3. 2, nyatakan maksud pengklonan_____________________________________________________________________

[1 mark](e) 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](f) Describe why a mature liver cell is used in this experiment

Huraikan mengapa sel hati yang matang digunakan dalam eksperimen________________________________________________________________________________________________________________________________________

[2 marks](g) 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](h) 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.

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]


X

Y

Z

Phase A

phase B

phase C

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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]


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5. Diagram 5 shows a nucleotide from a DNA molecule

Diagram 5.1(a Name the structure P and Q

P : _________________________________________________________ Q : _________________________________________________________

R : _________________________________________________________[3 marks]

(b State three importance of nucleic acids in cell

1. ______________________________________________________________

2. ______________________________________________________________

3. ______________________________________________________________[3 marks]

(c A DNA molecule consists of two nucleotide chainsComplete Diagram 3.2 below to show a DNA moleculePart of one nucleotide chains has been drawn

Diagram 5.2[3 marks]


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Kertas Soalan Biologi Spm Kertas 2 Pep.Tahun Ting 4