SECTION A

BAHAGIAN A

[40 Marks]

[40 markah]

Answer all questions

Jawab semua soalan

1. Diagram 1 shows a stomata.

Rajah 1 menunjukkan suatu stoma

Diagram 1

(a) On diagram 1, label structure P , Q and R with the following words:

Pada rajah 1, labelkan struktur P, Q dan R dengan perkataan berikut:

[ 3 mark]

(b) Draw lines to match the structure of stomata with the correct functions

Lukis garis untuk memadankan struktur liang stoma dengan fungsinya yang

betul.

[ 3 marks]

R: P:

Q:

Pore of stoma Nucleus Guard cell

Liang Stoma Nukleus Sel pengawal 1 (a)

Controls all the cell activities

Mengawal semua aktiviti sel

P 1 (b)

Control the pore size of the stomata

Mengawal saiz liang stoma

Q

Able lost of water vapour during transipration

Membenarkan wap air dihilangkan semasa

transpirasi

R Total

2. Diagram 2.1 shows a longitudinal section of a typical flower.

Rajah 2.1 menunjukkan keratan memanjang sekuntum bunga.

Diagram 2.1

Rajah 2.1

(a) In the box provided on diagram 2.1, label

Di dalam kotak yang disediakan pada rajah 2.1, labelkan

i) J to the part that receives pollen grains

J pada bahagian yang menerima butir debunga

K to the part that produces pollen grains

K pada bahagian yang menghasilkan butir debunga

[2 marks]

(b) Some plants need agents to carry pollen grains from anther to stigma.

Name two agents involved in pollination.

Setengah tumbuhan memerlukan agen untuk membawa butir debunga dari

anter ke stigma. Namakan dua agen yang terlibat dalam

pendebungaan

(i) ………………………………………………………………..

(ii) …………………………………………………………………

[2 marks]

2 (a)

2 (b)

( c) Diagram 2.2 shows a type of pollination

Rajah2.2 menunjukkan sejenis pendebungaan

Diagram 2.2

Rajah 2.2

(i) Based on the diagram 2.2, name the type of pollination.

Berdasarkan rajah 2.2, namakan jenis pendebungaan.

……………………………………………………………………………

[ 1 mark]

(ii) Give one advantage of this type of pollination

Berikan satu kelebihan pendebungaan ini.

……………………………………………………………………………

[ 1 mark]

2 (c)(i)

2 (c)(ii)

Total

Plant A Plant B

Pokok A Pokok B

3. Diagram 3.1 shows a claw hammer being used to pull out a nail

Rajah 3.1 menunjukkan satu tukul kuku kambing yang digunakan untuk mencabut

sebatang paku.

Diagram 3.1

Rajah 3.1

(a) (i) Based on diagram 3.1, name the class of lever of the claw hammer

Berdasarkan rajah 3.1, namakan kelas tuas bagi tukul kuku kambing

..........................................................................................................................

[ 1 mark ]

(ii) Label on diagram 3.1 ‘F’ to show position of the fulcrum

Babel pada rajah 3.1 , ’F’ untuk menunjukkan kedudukan fulkrum.

........................................................................................................................

[ 1 mark]

(iii) Give one other tool that works with the same principle.

Berikan satu contol alat lain yang bekerja dengan prinsip yang sama.

.....................................................................................................................

[ 1 mark ]

(b) Explain why a smaller force is nedded to pull out the nail if the person hold at

the end of the handle

Terangkan mengapa daya yang lebih kecil diperlukan jika seseorang

Memegang pada hujung pemegang tukul.

..........................................................................................................................

.........................................................................................................................

[ 1 mark]

3(a(i)

3(a)(ii)

3(a)(iii

)

3(b)

(c) Diagram 3.2 shows a man carrying two different loads F and G

Rajah 3.2 menunjukkan seorang lelaki mengangkat dua beban berlainan,

F dan G

Diagram 3.2

Rajah 3.2

(i) Calculate the distance between the 40 kg load, F and the man.

Hitungkan jarak antara beban 40kg, F dengan lelaki itu.

Given : Load x Load distance = Effort x Effort distance

Beban x jarak beban = Daya x jarak daya

[2 marks ]

3(c)(i)

Total

4. Diagram 4 shows the release of smoke from motor vehicles and cigarette

Rajah 4 menunjukkan pembebasan asap dari kenderaan bermotor dan rokok.

(a)(i) Based on diagram 4, state the gas found in both smoke:

Berdasarkan rajah 4, nyatakan gas yang terdapat dalam kedua-dua asap:

……………………………………………………………………….

[ 1 mark ]

(ii) State one effect of the gas in 4(a)(i) on human

Nyatakan satu kesan gas dalam 4(a)(i) keatas manusia.

………………………………………………………………………………….

[ 1 mark ]

(b)(i) State one gas that can dissolve in rain water and forms acid rain.

Nyatakan satu gas yang boleh melarut dalam air hujan dan seterusnya membentuk

hujan asid.

……………………………………………………………………………………

[ 1 mark ]

(ii) State the effect of acid rain on the metal bridge.

Nyatakan kesan hujan asid ke atas jambatan logam.

……………………………………………………………………………………..

[ 1 mark ]

(c) Suggest two ways that can be taken to keep the air clean

Cadangkan dua cara yang boleh diambil untuk menjaga kebersihan udara

(i) …………………………………………………………………………………..

(ii) ………………………………………………………………………………….

[ 2 marks

Diagram 4

Rajah 4

4(a)(i)

4(b)(i)

Motor vehicles

Kenderaan bermotor

Cigarette smoke

Asap rokok

4(a)(ii)

4(b)(ii)

4(c)

Total

5. Diagram 5.1 shows an activity to purify pond water

Rajah 5.1 menunjukkan satu aktiviti untuk membersihkan air kolam.

Diagram 5.1

Rajah 5.1

(a)(i) State the method used in the activity.

Nyatakan kaedah yang digunakan dalam aktiviti ini.

...............................................................................................................................

[1 mark]

(ii) State the changes of state of matter in the Liebig condenser.

Nyatakan perubahan keadaan jirim dalam kondenser Liebig

..........................................................................................................................

[2 marks ]

(b)(i) Explain why product P is not suitable for drinking

Terangkan mengapa hasil P tidak sesuai sebagai air minuman.

................................................................................................................................

[ 1 mark]

(ii) State one use of product P.

Nyatakan satu kegunaan hasil P.

................................................................................................................................

[ 1 mark]

5(a)

5(b)(i)

5(b)(ii)

Water out

Air keluar

Liebig condenser

Kondenser Liebig

Water in

Air masuk Porcelain chips

Chip porselin

Pond water

Air kolam

Thermometer

Termometer

Product P

Hasil P

(c) Diagram 5.2 shows stages in water purification before being supplied to consumers.

Rajah 5.2 langkah-langkah pembersihan air sebelu dibekalkan kepada pengguna.

Diagram 5.4

Rajah 5.4

(i) Name one substance added to

Namakan satu bahan yang ditambahkan kepada

Tank P : …………………………………………………………………………..

Tangki P

Tank Q : ………………………………………………………………………….

Tangki Q

[ 2 marks]

(ii) Give one importance of adding fluoride in water supply

Beri satu kepentingan menambahkan flourida dalam bekalan air.

………………………………………………………………………………….

[ 1 mark ]

5(c)(i)

5(c)(ii

)

Total

Reservoir

Empangan

n

Tank P

Tangki P

Filtration tank

Tangki

Penapisan

Tank Q

Tangki Q

Consumer

Pengguna

6 Diagram 6.1 shows an activity to study the flow heat.

Rajah 6.1 menunjukkan suatu aktiviti untuk mengkaji pemindahan haba

Diagram 6.1

Rajah 6.1

For Examiner’s Use

(a)(i) State what happen to the hand after sometimes .

Nyatakan apa berlaku kepada tangan selepas seketika

………………………………………………………………………….

[ 1 mark ]

(ii) Give reason for your answer in (a)(i)

Nyatakan alasan bagi jawapan anda di (a)(i)

…………………………………………………………………………

[ 1 mark ]

(iii) State the method of heat flow in this activity.

Nyatakan cara haba dipindahkan dalam aktiviti ini.

……………………………………………………………………………

[ 1 mark ]

(iv) Give one example of this method of heat flow in nature.

Berikan satu contoh cara pemindahan haba ini dalam alam.

……………………………………………………………………………… [1 mark]

6(a) (i)

6 (a)(ii)

6(a)(iii)

6 (a)(iv)

(b) Diagram 6.2 shows a hot drinks in two different coloured glass cups

Rajah 6.2 menunjukkan satu minuman panas di dalam cawan kaca berlainan

warna

Diagram 6.2

Rajh 6.2

(i) State which drinks get cold faster

Nyatakan mimuman mana yang sejuk lebih cepat

…………………………………………………………………………..

[ 1 mark ]

(ii) Explain how heat is lost.

Terangkan bagaimana haba itu dihilangkan.

……………………………………………………………………………

[ 1 mark ]

6(c)(i)

6(c)(ii)

(d)

Explain why buildings are painted white in tropical country.

Terangkan mengapa bangunan di kawasan tropika dicat putih .

.

………………………………………………………………………………….

…………………………………………………………………………………

[ 2 marks ]

6 ( d)

Total

Glass cup painted white glass cup painted black

Cawan kaca dicat putih Cawan kaca dicat hitam

SECTION B

[ 20 MARKS]

Answer all questions

Jawab semua soalan

7. Diagram 7.1 shows an experiment to study the difference between series circuit and

parallel circuit

Rajah 7.1 menunjukkan satu eksperimen untuk mengkaji perbezaan antara litar bersiri

dengan litar selar

Diagram 7.1(a) Diagram 7.1(b)

Rajah 7.1(a) Rajah 7.1(b)

Observe the transformers in diagram 7.1(a) and 7.1(b)

Perhatikan trasformer dalam rajah 7.1(a) dan 7.2(b)

(a)(i) Based on your observation, state the brightness of the bulbs in circuit

Berdasarkan pemerhatian anda, nyatakan kecerahan mentol dalam litar

7.1(a): ……………………………………………………………………………

7.1(b): ……………………………………………………………………………

[ 2 marks]

(ii) State one inference about the brightness of the bulb.

Nyatakan satu inferens mengenai kecerahan mentol.

………………………………………………………………………………..

[ 1 mark ]

(b) Based on observation in 7(a), predict the brightness of the bulb in diagram 7.1(a)

and 7.1 (b) if one bulb is connected.

Berdasarkan pemerhatian di 7(a), ramalkan kecerahan mentol dalam rajah 7.1(a)

dan 7.1(b) jika satu lagi mentol disambung

Bulb in diagram

Mentol dalam rajah

Brightness

Kecerahan

7.2(a)

7.2(b)

[ 2 marks ]

7 (a)(i)

7 (a)(ii)

7 (b)

(c) Diagram 7.2 show four circuits, P , Q , R and S

Rajah 7.2 menunjukkan empat litar P, Q, R dan S

P Q

Diagram 7.2

Rajah 7.2

Classify circuit P, Q , R and S into

Kelaskan litar P, Q R dan S kepada

Type of circiut

Jenis litar

Series circuit

Litar bersiri

Parallel circuit

Litar selari

[ 4 marks ]

Total

7(c)

8.(a) Diagram 8.1 shows two plants kept under different situation.

Rajah 8.1 menunjukkan pokok yang disimpan dalam keadaan berbeza.

Pokok A Pokok B

Diagram 8.1

Rajah 8.1

(i) State the difference in the condition of the plant after a day if it is not watered

Nyatakan perbezaan keadaan pokok selepas satu hari jika ia tidak disiram.

…………………………………………………………………………………..

[ 1 mark ]

(ii) State one inference based on the observation

Nyatakan satu inferens berdasarkan pemerhatian

…………………………………………………………………………………………

[ 1 mark]

8(a)(i)

8(a)(ii)

Plant A Plant B

(b) Diagram 8.2(a) and 8.2(b) shows an experiment set up by a group of students to

study the factor that affect the rate of transpiration

Rajah 8.2(a) dan 8.2(b) menunjukkan satu eksperimen yang dipasang oleh

sekumpula pelajar untuk mengkaji faktor yang mempengaruhi kadar transpirasi.

(i) Kept in the laboratory

Disimpan dalan makmal

Diagram 8.2(a)

(ii) Kept under moving air

Disimpan di bawah angin

Diagram 8.2(b

8(a)(iii)

Reading of Potometer K Reading of photometer K

at the beginning after 2 hours

Reading of Potometer L Reading of photometer L

at the beginning after 2 hours

Diagram 8.2(b)

Rajah 8.2 (b)

250.0 235.0

250.0 210.0

(i) Based on the observation, record the loss of weight in table 8.3

Berdasarkan pemerhatian, rekodkan kehilangan berat di dalam jadual 8.3

Situation

Keadaan

Loss of weight

Kehilangan berat

Kept in the laboratory

Disimpan dalam makmal

Kept under moving air

Disimpan dibawah angin

Table 8.3 [ 2 marks]

(ii) State the variables involved in the experiment

Nyatakan pembolehubah yang terlibat di dalam eksperimen

Manipulated variables

Pembolehubah dimanipulasi

Responding variables

Pembolehubah bergerakbalas

[ 2 marks]

(iii) Based on table 8.3 , draw a bar chart of loss of weight under different situation.

Berdasarkan jadual 8.3, lukiskan carta bar kehilangan berat dalam keaddan

berlainan

[ 2 marks ]

8(b)(ii)

Weight loss

Kehilangan

berat

8(b)(iii)

In the Under moving Condition

laboratory air Keadaan

Dalam makmal Di bawah angin

8(b)(i)

10

20

30

40

50

60

(c) Based on table 8.3, predict the weight loss if the plant is kept under stronger wind

Berdasarkan jadual 8.3, ramalkan kehilangan berat jika diletakkan dibawah

Angin lebih kuat

…………………………………………………………………………………….

[ 1 mark ]

(d) Based on the graph, state the relation between the loss of weight and the condition

of the surrounding.

Berdasarkan graf, nyatakan hubungan antara kehilangan berat dengan keadaan

persekitaran.

…………………………………………………………………………………………

[ 1 mark ]

(e) Based on the experiment, define ‘the rate of transpiration ’operationally.

Berdasarkan eksperimen,definisikan ‘kadar transpirasi ’secara operasi.

………………………………………………………………………………………

[ 1 mark]

END OF QUESTION PAPER

8(c)

8(d)

Total