BAHAGIAN A: SOALAN OBJEKTIF (20 MARKAH)/ 30 minit1. The organelle that is involved in the formation of spindle fibres is

Organel yang terlibat dalam pembentukan gentian gelendong ialahA lysosome

lisosomB centriole

sentriolC nucleus

nukleusD mitochondrion

mitokondrion

2. The organelle that found abundantly in muscle tissue isOrgan yang terdapat dengan banyak dalam tisu otot ialahA mitochondrion

mitokondrionB ribosome

ribosomC lysosome

lisosomD chloroplast

kloroplas

3. Diagram 1 shows a plant cell.Rajah 1 menunjukkan suatu sel tumbuhan.

Diagram 1Rajah 1

Organelle X isOrganel X ialahA chloroplast

kloroplasB nucleus

nukleusC centrioles

sentriolD vesicle

vesikel

4. The organelle that synthesises proteins isOrganel yang mensintesis protein ialahA Nucleus

NukleusB Chloroplast

KloroplasC Centrioles

SentriolD Ribosome

Ribosom

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5. Diagram 2 shows the structure of a plant cell.Rajah 2 menunjukkan struktur suatu sel tumbuhan.

Diagram 2Rajah 2

Which of the following is correct about Y?Antara yang berikut, yang manakah betul mengenai Y?A Fully permeable

Telap sepenuhnyaB Semi permeable

Separa telapC Rigid

TegarD Elastic

Kenyal

6. Diagram 3 shows the structure of rough endoplasmic reticulum.Rajah 3 menunjukkan struktur retikulum endoplasma kasar.

Diagram 3Rajah 3

The process that carried out by X isProses yang dijalankan oleh X ialahA the detoxification of drugs and poisons

penyahtoksikan dadah dan racunB the synthesis of proteins

sintesis proteinC the production of ATP

penghasilan ATPD the photosynthesis

fotosintesis

7. Diagram 4 shows a process carried out by an unicellular organism.Rajah 4 menunjukkan suatu proses yang dijalankan oleh organisma unisel.

Diagram 4Rajah 4

The process isProses tersebut ialahA conjugation

konjugasiB diffusion

resapan

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C phagocytosisfagositosis

D reproductionpembiakan

8. Rajah 5 menunjukkan suatu sel tumbuhan dalam air suling.Diagram 5 shows a plant cell in distilled water.

Rajah 5

Apakah proses P?What is process P?A Osmosis

OsmosisB Pengangkutan berbantu

Facilitated transportationC Resapan berbantu

Facilitated difussionD Pengangkutan aktif

Active transport

9. Rajah 6 menunjukkan satu eksperimen untuk mengkaji pergerakan bahan merentasi tiub visking.Diagram 6 shows an experiment to investigate the movement of substances across a visking tube.

Rajah 6

Apakah process yang berlaku dalam eksperimen tersebut?What is the process that takes place in this experiment?A Resapan

DiffusionB Pengangkutan berbantu

Facilitated transportationC Pengangkutan aktif

Active transportD Osmosis

Osmosis

10. Rajah 7 menunjukkan pergerakan molekul-molekul merentasi membran plasma melalui satu proses.Diagram 7 shows the movement of molecules across the plasma membrane through a process.

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Rajah 7Process tersebut ialahThe process isA pengangkutan berbantu

facilitated transportationB resapan berbantu

facilitated difussionC osmosis

osmosisD pengangkutan aktif

active transport

11. Rajah 8 menunjukkan pergerakan molekul-molekul Y merentasi membran plasma.Diagram 8 shows the movement of molecules Y across the plasma membrane.

Rajah 8

Apakah kesimpulannya?What is the conclusion?A Molekul-molekul Y bergerak secara resapan berbantu

Molecules Y move by facilitated difussionB Molekul-molekul Y bergerak secara osmosis

Molecules Y move by osmosisC Molekul-molekul Y larut dalam lipid

Molecules Y move is soluble in lipidD Molekul-molekul Y bergerak secara pengangkutan berbantu

Molecules Y move by facilitated transportation

12. Rajah 9 menunjukkan satu eksperimen untuk mengkaji osmosis.Diagram 9 shows an experiment to investigate osmosis.

Rajah 9

Antara yang berikut, yang manakah dapat diperhatikan selepas 1 jam?Which of the following can be observed after 1 hour?A B

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C D

13. Satu tumbuhan di dalam pasu dengan tanah didapati layu selepas beberapa hari. Antara tindakan yang berikut, yang manakah perlu dilakukan untuk mengelakkan tumbuhan tersebut daripada menjadi layu?A plant in a pot with soil is found wilted after few days. Which of the following actions should be done to prevent the plant from wilting?A Mengudarakan tanah dengan menggembur

Ventilate the soil by diggingB Menambah air ke dalam tanah

Add water to the soilC Menambah lebih banyak tanah

Add more soilD Mengurangkan jumlah tanah di dalam pasu

Decrease the amount of soil in the pot

14. Hirisan ubi kentang direndam di dalam larutan sukrosa 0.1%. Selepas satu jam, hirisan tersebut didapati segah dan keras. Antara yang berikut, yang manakah menjelaskan fenomena tersebut?Potato slices are immersed in 0.1% sucrose solution. After an hour, the slices are found to be turgid and hard. Which of the following explains the phenomenom?A Sap sel adalah hipotonik terhadap larutan sukrosa

The cell sap is hypotonic towards the sucrose solutionB Hirisan ubi kentang direndam di dalam larutan isotonik

15. What are the main components of a plant cell membrane?Apakah komponen utama membran sel tumbuhan?A Lipid and protein

Lipid dan proteinB Protein, carbohydrate and lipid

Protein, karbohidrat dan lipidC Lipid and carbohydrate

Lipid dan karbohidratD Carbohydrate and protein

Karbohidrat dan protein

16. Which of the following is a polysaccharide?Antara yang berikut, yang manakah polisakarida?A Glycogen

GlikogenB Fructose

FruktosaC Galactose

GalaktosaD Maltose

Maltosa

17. Which of the following is a disaccharide?Antara yang berikut, yang manakah disakarida?A Fructose

FruktosaB Galactose

GalaktosaC Sukrose

SukrosaD Cellulose

Selulosa

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18. Diagram 10 shows the structure of a protein molecule.Rajah 10 menunjukkan struktur molekul protein.

Diagram 10Rajah 10

Which level of organisation is this protein?Aras organisasi yang manakah protein tersebut?A Secondary

SekunderB Primary

PrimerC Tertiary

TertierD Quaternary

Kuartener19. Table 1 shows the elements found in food classes P and Q.

Jadual 1 menunjukkan unsur-unsur dalam kelas makanan P dan Q.Kelas makanan P Q

Unsur C, H, O C, H, O, NJadual 1

What are food classes P and Q?Apakah kelas makanan P dan Q?

P QA Karbohidrat ProteinB Protein LipidC Protein KarbohidratD Karbohidrat Lipid

20. Diagram 11 shows the mechanism of enzyme action.Rajah 11 menunjukkan mekanisma tindakan enzim.

Diagram 11Rajah 11

What are X, Y and Z?Apakah X, Y dan Z?

X Y ZA Product

HasilEnzyme

EnzimSubstrateSubstrat

B SubstrateSubstrat

ProductHasil

EnzymeEnzim

C SubstrateSubstrat

EnzymeEnzim

ProductHasil

D EnzymeEnzim

SubstrateSubstrat

ProductHasil

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BAHAGIAN B: SOALAN STRUKTUR/ 1 Jam

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1 Diagram 12 shows an animal cell and a plant cell.Rajah 12 menunjukkan suatu sel haiwan dan suatu sel tumbuhan.

Diagram 12(a) Name the parts labelled P, Q, R and S.

Namakan bahagian-bahagian berlabel P, Q, R dan S.

P:

Q:

R:

S:[4 marks]

(b) Give three differences between an animal cell and a plant cell.Berikan tiga perbezaan antara sel haiwan dan sel tumbuhan.

[3 marks](c) State two main components of the protoplasm.

Nyatakan dua komponen utama protoplasma.

[2 marks](d) What is the function of the part labelled P?

Apakah fungsi bahagian berlabel P?

[1 mark](e) (i) Name the membrane that surrounds the structure labelled T.

Namakan membran yang mengelilingi struktur yang berlabel T.

[1 mark](ii) State the function of the part labelled U.

Nyatakan fungsi bahagian yang berlabel U.

[1 mark]

2. Diagram 13 shows two regions, X and Y, which are separated by a semi-permeable membrane.Rajah 13 menunjukkan dua kawasan, X dan Y, yang dipisahkan oleh satu membran separa telap.

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Diagram 13(a) (i) Based on Diagram 13, which region is hypotonic?

Berdasarkan Rajah 13, kawasan manakah yang hipotonik?

[1 mark](ii) Give one reason for the answer in 1(a)(i).

Berikan satu sebab bagi jawapan dalam 1(a)(i).

[1 mark](iii)

An equilibrium is achieved between regions X and Y after 15 minutes. Complete Diagram 13.2Keseimbangan antara kawasan X dan kawasan Y tercapai selepas 15 minit. Lengkapkan Rajah 13.2

Diagram 13.2

[2 marks](iv)

State the process which occurs in 1(a)(iii).Nyatakan proses yang berlaku dalam 1(a)(iii).

[1 mark]

(b) A few slices of cucumber is immersed in a concentrated salt solution.Beberapa hirisan timun direndam dalam larutan garam yang pekat.(i) Explain why the above method is able to preserve the cucumber for a long period of time.

Jelaskan mengapa kaedah di atas dapat mengawet timun tersebut bagi jangka masa yang panjang.

[2 marks](ii) Complete Diagram 13.3 by drawing the condition of the cucumber cell afer the preservation

process.Lengkapkan Rajah 13.3 dengan melukis keadaan sel timun tersebut selepas proses pengawetan.

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3. Diagram 14.1 shows the organelles involved during the synthesis and secretion of an enzyme in an animal cell.Rajah 14.1 menunjukkan organel-organel yang terlibar semasa sintesis dan rembesan suatu enzim dalam satu sel haiwan.

Diagram 14.1

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(a) Name the organelles labelled W and X.Namakan organel yang berlabel W dan X.

W:

X:[2 marks]

(b) (i) Explain the role of organelle Y in the synthesis of the enzyme.Jelaskan peranan organel Y dalam sintesis enzim.

[1 mark](ii) State the function of organelle Z.

Nyatakan fungsi organel Z.

[2 marks](c) Diagram 14.2 shows the hypothesis of the mechanism of enzyme reaction on a substrate.

Rajah 14.2 menunjukkan hipotesis bagi mekanisme tindak balas enzim ke atas suatu substrat.

Diagram 14.2

(i) State the hypothesis.Nyatakan hipotesis tersebut.

[1 mark](ii) What is represented by K, L, M and N?

Apakah yang diwakili oleh K, L, M dan N?

K:

L:

M:

N:[4 marks]

(iii)

State two characteristics of the enzyme as explained by the hypothesis.Nyatakan dua ciri-ciri enzim seperti yang dijelaskan oleh hipotesis tersebut.

1.

2.[2 marks]

Kertas soalan UJIAN 1 tamat….

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