SULIT 4551/24551/2BiologyPaper 2Jun 20101 hour

Name :Class :

SMK BANDAR TASIK SELATAN 57000 KUALA LUMPUR

UJIAN FORMATIF 2FORM 5

2010

BIOLOGYPaper 2

One hour

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This question paper consists of one sections : Section A.Answer all questions in Section A . Write your answers for Section A in the spaces provided in the question paper.The marks allocated for each question or sub-section of a question are shown in brackets.If you wish to cancel any answer, neatly cross out the answer.

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This question papers have 6 printed pages.

SULIT 2 1511/2 1. Diagram 1.1 shows a cell cycle with four major phases D, E, F and M. Rajah 1.1 menunjukkan satu kitar sel dengan empat fasa utamanya D, E, F dan M

(a) Name phases D, E and F. Namakan fasa-fasa D, E dan F.

D : ……………………………………………………………………………………………………......

E : ……………………………………………………………………………………………………......

F : ……………………………………………………………………………………………………......(3 marks)

(b) Stage I, II, III and IV are included in the M-phase. Match the stages with the descriptions. Peringkat I, II, III dan IV terdapat dalam fasa M. Padankan peringkat ini dengan penerangannya.

(2 marks)Stages

PeringkatDescriptionPenerangan

I Sister chromatids line up at the equatorial plane.Kromatid kembar tersusun pada satah khatulistiwa

II The spindle fibres shorten.Gentian gelendong memendek

III The nucleolus and nuclear membrane disappearNukleolus dan membrane nucleus lenyap

IV A stage before the division of cytoplasm occursPeringkat sebelum berlakunya pembahagian sitoplasma

(c) Diagram 1.2 shows two types of cells undergoing the same process. Rajah 1.2 menunjukkan dua jenis sel yang sedang mengalami proses yang sama.

What are the differences between the process in P and Q? Apakah perbezaan di antara proses yang berlaku dalam P dan Q?

……………………………………………………………………………………………………………… (2 marks)

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SULIT 3 1511/2 (d) Diagram 1.3 shows four stages of mitosis in a cheek cell. Rajah 1.3 menunjukkan empat peringkat mitosis dalam sel pipi.

Arrange the stages in Diagram 1.3 according to the correct sequence of the mitotic process. Susunkan peringkat-peringkat tersebut mengikut turutan yang betul dalam proses mitosis.

→ → →(1 mark)

2. Diagram 2.1 and 2.2 shows human erythocytes after being immersed in distilled water and 20% sodium chloride solution. Rajah 2.1 and 2.2 menunjukkan eritrosit manusia selepas direndam di dalam air suling dan larutan natrium klorida masing-masing.

State the condition of the cell in Diagram 2.1 and 2.2. Nyatakan keadaan sel di dalam Rajah 2.1 dan 2.2.

………………………………………………………………………………………………………................. (2 marks)

3. Diagram 1.1 shows the structure of plant cell. Rajah 1.1 menunjukkan struktur bagi sel tumbuhan.

Label P, Q, R and S. Labelkan P, Q, R dan S.

(4 marks)

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SULIT 4 1511/2 4. Diagram 3.1 shows the human digestive system. Rajah 3.1 menunjukkan sistem pencernaan manusia.

(a) Name the structures labeled as P, Q, R, S and T in Diagram 3.1. Namakan struktur yang berlabel P, Q, R, S dan T dalam Rajah 3.1.

(3 marks)

(b) Diagram 3.2 shows a longitudinal section of a structure found in T. Rajah 3.2 menunjukkan keratan memanjang satu struktur yang terdapat dalam T.

Name structure A. Namakan struktur A.

……………………………………………………………………………………………………………..(1 mark)

5. Diagram 2.1 shows the hypothesis of the mechanism of enzyme reaction on a substrate. Rajah 2.1 menunjukkan hipotesis bagi mekanisme tindakan enzim ke atas substrat.

State the hyphothesis for mechanism above. Nyatakan hipotesis untuk mekanisme di atas.

…………………………………………………………………………………………………………………(1 mark)

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SULIT 5 1511/2 6. Interdependence between organisms is a phenomenon that is always exists in community. Diagram 4.1 shows three types of interaction K, L and M between organisms. Saling bergantungan antara organism ialah satu fenomena yang wujud dalam satu komuniti. Rajah 4.1 menunjukkan tiga jenis interaksi K, L dan M yang berlainan antara organism.

Name the type of interactions shown in K, L and M. Namakan jenis interaksi yang ditunjukkan dalam K, L dan M.

K : ………………………………………………………………………………………………………………

L : ………………………………………………………………………………………………………………

M : ……………………………………………………………………………………………………………(3 marks)

7. Diagram 5 shows the pathway of a knee-jerk reflex. Rajah 5 menunjukkan laluan untuk sentakan lutut.

Name the structure X and Y. Namakan struktur X dan Y.

…………………………………………………………………………………………………………………(2 marks)

8. Diagram 5.1 shows the structure of a human arm. Rajah 5.1 menunjukkan struktur lengan manusia.

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A

SULIT 6 1511/2 (a) Name the bones X, Y and Z.

Namakan tulang X, Y dan Z.

X : …………………………………………………………………………………………………………..

Y : …………………………………………………………………………………………………………..

Z : …………………………………………………………………………………………………………..(3 marks)

(b) Name the type of joint at A. Namakan jenis sendi di A.

………………………………………………………………………………………………………………(1 mark)

(c) Based on the Diagram 5.1, explain what happens to the muscle 2 and 3 when the arm is straightened? Berdasarkan Rajah 5.1, terangkan apakah yang akan berlaku kepada otot 2 dan 3 apabila tangan diluruskan?

………………………………………………………………………………………………………………(1 mark)

(d) Diagram 5.2 is a joint between bone Y and Z. What is the structure that join bone Y and Z. Rajah 5.2 menunjukkan sendi di antara tulang Y dan Z. Apakah struktur yang menghubungkan tulang Y dan Z.

……………………………………………………………………………………………………………....(1 mark)

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SULIT 7 1511/2 SKEMA JAWAPAN.

1. (a) D : G1

E : S

F : G2(3 marks)

(b) Stages

PeringkatDescriptionPenerangan

I Sister chromatids line up at the equatorial plane.Kromatid kembar tersusun pada satah khatulistiwa

II The spindle fibres shorten.Gentian gelendong memendek

III The nucleolus and nuclear membrane disappearNukleolus dan membrane nucleus lenyap

IV A stage before the division of cytoplasm occursPeringkat sebelum berlakunya pembahagian sitoplasma

(2 marks)

(c) (2 marks)

(d)

x → y → w → z(1 mark)

2.(2 marks)

3. P : Cell wall Q : Vacuole R : Mitochondrion S : Nucleus

(4 marks)

4. (a) P : Q : R : S : T :

(3 marks)

(b)(1 mark)

5. Key and lock hypothesis.(1mark)

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SULIT 8 1511/2

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