Section A[40 marks]

Answer all questions in this section.

[The time suggested to complete this section in 60 minutes]

1. Figure 1 below shows measuring instruments K, L and M.

Gambar rajah 1 menunjukkan alatan mengukur K, L dan M K: Measuring cylinder

L: Measuring tape

M: Burette[3 marks]

Figure 1

(a) On figure above, label the measuring instruments K, L and M using the following words.

Berpandukan gambar rajah di atas, labelkan alatan mengukur K, L dan M menggunakan perkataan berikut

(b) Draw lines to show the correct match between the measuring instruments and their functions.

Lukiskan garisan untuk menunjukkan padanan yang betul di antara alatan menyukat dengan fungsinya.

[3 marks]

c) State the SI unit used for length and time.

Nyatakan unit SI bagi panjang dan masa.

i. Length: Meter (m)

ii. Time: Second (s)

[2 marks]2. Figure 2 shows the structure of a cell.Rajah 2 menunjukkan struktur satu sel.Figure 2(a) On Figure 2, label structures X, Y and Z using the following words:Pada Rajah 2, labelkan struktur X, Y dan Z dengan menggunakan perkataan yang berikut:

[3 mark](b) Match the structures X, Y and Z with their functions.Padankan struktur X, Y dan Z dengan fungsinya.

[3 marks](c) Circle the words in the box below to show two examples of cells.Bulatkan perkataan dalam petak di bawah untuk menunjukkan dua contoh sel.

Nose

Nerve cell

Skin

SpermHidung Sel saraf

Kulit

Sperma [2 mark]3. Figure 3 (a) shows two activities carried out by student.

Rajah 3 (a) menunjukkan dua aktiviti yang dijalankan oleh pelajar. Activity 1:

Activity 2:

Figure 3 (a)(a) Give inference to your observation on Activities 1 and 2.Berikan inferens kepada pemerhatian anda pada Aktiviti 1 dan 2.Activity 1: Air has massAktiviti 1 Udara mempunyai

Activity 2: Air occupies spaceAktiviti 2 Udara memenuhi

[2 marks](b) What characteristic of air that makes it difficult to be shown as matter.

Apakah ciri udara yang menyebabkannya sukar ditunjukkan sebagai jirim.Air has very small mass[1 mark]

(c) Give two examples of matter.Berikan dua contoh jirim.

Pencil, stone and etc

[2 marks]

(d) Fill in the blank based on Figure 3 (b).Isikan tempat kosong berdasarkan Rajah 3 (b)

The air bubble are less dense than water

Gelembung udara adalah_______________daripada air [1mark]4. Figure 4 shows substances X, Y and Z.

Rajah 4 menunjukkan bahan X, Y dan Z.

Figure 4(a) Determine whether substances X, Y and Z are an element, compound or mixture.Tentukan sama ada bahan X, Y dan Z merupakan suatu unsur, sebatian dan campuran.XMixture

YElement

ZCompound

[3 marks]

(b) Give one example each of substances X, Y and Z.Berikan satu contoh bahan X, Y dan Z. SubstancesExample

XSoil, sea water, etc

YCopper, iron, etc

ZSodium chloride, etc

[3 marks](c) Suggest one method which can be used to seperate the following substances:Cadangkan satu kaedah yang boleh digunakan untuk mengasingkan bahan berikut:i) Iron powder from a mixture of sand and iron powder

Serbuk besi daripada campuran pasir dan serbuk besi

Using a magnet barii) Water from a mixture of oil and water

Air dari campuran minyak dan air

Using a separating funnel[2 marks]5. Figure 5 (a) shows the content of several gas in the air.

Rajah 5 (a) menunjukkan kandungan beberapa gas dalam udara.

Figure 5 (a)(a) Write the gas and its percentage in the chart shown in Figure 5.

Tuliskan gas dan peratusnya dalam carta yang ditunjukkan dalam

Rajah 5.

K: NitrogenL: OxygenM: Inert gasN: Carbon dioxide [4 marks]

(b) Figure 5 (b) shows an experiment to study the volume of oxygen in the

air. Write the conclusion.

Rajah 5 (b) menunjukkan eksperimen untuk mengkaji isipadu oksigen

dalam udara. Tuliskan kesimpulan.

Figure 5 (b)

Conclusion: Oxygen is needed for combustion

[1 mark]6. Answer the questions based on Figure 6.

Jawab soalan berdasarkan Rajah 6.

Figure 6

(a) Name the gas needed for the candle to burn.

Namakan gas yang diperlukan untuk pembakaran lilin.

Oxygen[1 mark]

(b) Which type of air has higher oxygen content, inhaled (ordinary) air or exhaled air.

Kandungan oksigen dalam udara yang manakah adalah lebih tinggi, udara sedutan (udara biasa) atau udara hembusan.

Inhaled air[1 mark]

(c) What is the percentage of oxygen inApakah peratusan oksigen dalami) Inhaled air? 21%

Udara sedutan

ii) Exhaled air? 16%

Udara hembusan[2 marks](d) What is meant by freash air.Apakah yang dimaksudkan dengan udara segar.

Clean air with high oxygen content[1 mark]Section B

[20 marks)

Answer all questions in this section[Time suggested to complete this section in 30 minutes]

7. Classify the given organisms into suitable groups.

Kelaskan organisma yang diberi mengikut kumpulan yang sesuai.

Figure 7

The figure 7 above shows organism P, Q, R, S, T and U.

Observe the organisms in the figure above.

Gambar rajah 7 di atas menunjukkan organisma P, Q, R, S, T dan U.

Perhatikan organisma pada gambar rajah di atas.

(a) State one characteristic of organisms P, Q, R, S, T and U.

Nyatakan satu ciri bagi organisma P, Q, R, S, T dan U.

P: Unicellular organism

S: Unicellular organismQ: Multicellular organism

T: Multicellular organismR: Unicellular organism

U: Multicellular organism

[4 marks]

(b) Classify organisms P, Q, R, S, T and U into two groups based on common characteristics. Name the organisms belonging to each group.

Kelaskan organisma P, Q, R, S, T dan U kepada dua kumpulan berdasarkan pada ciri umum. Namakan organisma mengikut kumpulan masing-masing.

[4 marks]

8. A student carried out an experiment to investigate the gas released during respiration. The arrangement of apparatus in Figure 8 shows the results of the experiment.

Seorang pelajar menjalankan satu eksperimen untuk mengkaji gas yang dibebaskan semasa respirasi. Susunan radas Rajah 8 di bawah menunjukkan keputusan eksperimen.

Figure 8

(a) State the variables

Nyatakan pembolehubah

i) that is kept constant: Volume of air in boiling tubes

yang dimalarkanii) that is manipulated: The presence of living things

yang dimanipulasi

iii) that responds: The change in colour of the bicarbonate indicatoryang bergerak balas

[3 marks]

(b) Based on Figure 8, complete the table below.

Berdasarkan Rajah 8, lengkapkan jadual di bawah.

Boiling tubeColour of bicarbonate indicator

Begining of experimentEnd of experiment

ARedYellow

BRedYellow

CRedRed

[3 marks]

(c) What is the function of bicarbonate indicator?

Apakah fungsi penunjuk bikarbonat?

To show the presence of carbon dioxide

[1 mark]

(d) Name the gas that caused the indicator to change colour?

Namakan gas yang menyebabkan penunjuk berubah warna?

Carbon dioxide

[1 mark]

(e) Give one properties of this gas?

Berikan satu sifat gas ini?

Acidic gas/not support combustion/colourless/etc[1 mark]

(f) What process occured to the living thing which released the gas mentioned in (d)?

Apakah proses yang berlaku pada hidupan yang membebaskan gas yang dikesan di (d)?

Respiration

[1 mark]

(g) What is the function of boiling tube C?

Apakah fungsi tabung didih C?

It acts as a control

[1 mark]

(h) What conclusion can be made for this experiment?

Apakah kesimpulan yang boleh dibuat bagi eksperimen ini?

Living things released carbon dioxide during respiration[1 mark]

GOOD LUCK ;-)

Disediakan oleh,

.........................................(En. Hafiz Bin Zakiuddin)

Guru Sains

Disemak oleh,

.........................................(En. Joaness Wiliam Jali)

Ketua Panitia SainsDisahkan oleh,

.................................(En. Lau Chik Kong)

Ketua Bidang Sains & Matematik

Protects the cell

Melindungi sel

Contains chlorophyll which absorbs light during photosynthesis

Mengandungi klorofil yang menyerap cahaya semasa fotosintesis

Controls cell activities

Mengawal semua aktiviti sel

Z

Cell WallChloroplastNucleus

Dinding selKloroplasNukleus

Y

Measuring cylinderBuretteMeasuring tape

Silinder penyukatBuretPita pengukur

X

Names of

organism

Nama organisma

Mucor

Hydra

Spirogyra

Common

characteristic

Ciri umum

Group 1

Unicellular organism

Group 2

Multicellular organism

Amoeba

Paramecium

Chlamydomonas

P, Q, R, S, T, U

Oxygen 21%Nitrogen 78%

Inert gas 0.9%Carbon dioxide 0.03%

To measure the volume of liquids

Untuk menyukat isipadu cecair

K

To measure the volume of liquids accurately

Untuk menyukat isipadu cecair dengan tepat

L

To measure the length of objects

Untuk mengukur panjang objek

M

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