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PENTAKSIRAN OGOS TINGKATAN 4 2021 BIOLOGI

Total questions: 70

Worksheet time: 2hrs 44mins

Name
Class
Date
1.

The organelle that is involved in the formation of spindle fibres is

Organel yang terlibat dalam pembentukan gentian gelendong ialah

a)

lysosome

lisosom

b)

centriole

sentriol

c)

nucleus

nukleus

d)

mitochondrion

mitokondrion

2.

The organelle that found abundantly in muscle tissue is

Organ yang terdapat dengan banyak dalam tisu otot ialah

a)

mitochondrion

mitokondrion

b)

ribosome

ribosom

c)

lysosome

lisosom

d)

chloroplast

kloroplas

3.

Diagram 1 shows a plant cell.

Rajah 1 menunjukkan suatu sel tumbuhan

Organelle X is

Organel X ialah

a)

chloroplast

kloroplas

b)

nucleus

nukleus

c)

centrioles

sentriol

d)

vesicle

vesikel

4.

Which organ consists of cells which have the highest density of rough endoplasmic reticulum?

Organ manakah yang mengandungi sel-sel yang mempunyai kepadatan jalinan endoplasma kasar paling tinggi?

a)

Heart

Jantung

b)

Eye

Mata

c)

Lung

Paru-paru

d)

Stomach

Perut

5.

The information above shows the features of an organelle in a cell.

Maklumat di atas menunjukkan ciri-ciri satu organel dalam sel.

What is the organelle?

Apakah organel tersebut?

a)

Lysosome

Lisosom

b)

Nucleus

Nukleus

c)

Centrioles

Sentriol

d)

Mitochondrion

Mitokondrion

6.

Diagram 2 shows the structure of rough endoplasmic reticulum.

Rajah 2 menunjukkan struktur retikulum endoplasma kasar.

The process that carried out by X is

Proses yang dijalankan oleh X ialah

a)

the detoxification of drugs and poisons

penyahtoksikan dadah dan racun

b)

the synthesis of proteins

sintesis protein

c)

the production of ATP

penghasilan ATP

d)

the photosynthesis

fotosintesis

7.

A man intends to take part in a weightlifting competition. He begins his training on day T.

Which of the following graphs shows the changes in the number of mitochondria in the muscle cells of his hands?

Seorang lelaki ingin mengambil bahagian dalam satu pertandingan angkat berat. Dia memulakan latihan pada hari T.

Antara graf yang berikut, yang manakah menunjukkan perubahan bilangan mitokondrion dalam sel otot tangannya?

a)
b)
c)
d)
8.

Diagram 3 shows an Amoeba sp.

Rajah 3 menunjukkan Ameba sp

What is structure Y?

Apakah struktur Y?

a)

Pseudopodium

Pseudopodium

b)

Contractile vacuole

Vakuol mengecut

c)

Cytostome

Sitostom

d)

Cytoplasm

Sitoplasma

9.

Diagram 4 shows a type of animal tissue.

Rajah 4 menunjukkan seenis sejenis tisu haiwan.

What is the tissue?

Apakah tisu tersebut?

a)

Nerve tissue

Tisu saraf

b)

Epithelial tissue

Tisu epitelium

c)

Connective tissue

Tisu penghubung

d)

Muscle tissue

Tisu otot

10.

Absence of rough endoplasmic reticulum in the intersitial cells will prevent the synthesis................................

Ketiadaan retikulum endoplasma kasar dalam sel interstis akan menghalang sintesis .......................

a)

steroid hormones

hotmon steroid

b)

cholesterol

kolesterol

c)

enzymes

enzim

d)

proteins

protein

11.

Diagram 5 shows a plant cell in distilled water.

Rajah 1 menunjukkan suatu sel tumbuhan dalam air suling.

What is process P?

Apakah proses P?

a)

Osmosis

Osmosis

b)

Facilitated transportation

Pengangkutan berbantu

c)

Facilitated difussion

Resapan berbantu

d)

Active transport

Pengangkutan aktif

12.

Diagram 6 shows the structure of plasma membrane.

Rajah 6 menunjukkan struktur membran plasma.

What is X?

Apakah X?

a)

Phospholipid

Fosfolipid

b)

Carrier protein

Protein pembawa

c)

Cholesterol

Kolesterol

d)

Glycoprotein

Glikoprotein

13.

Diagram 7 shows the movement of molecules Y across the plasma membrane.

Rajah 7 menunjukkan pergerakan molekul-molekul Y merentasi membran plasma.

What is the conclusion?

Apakah kesimpulannya?

a)

Molecules Y move by facilitated difussion
Molekul-molekul Y bergerak secara resapan berbantu

b)

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

c)

Molecules Y move is soluble in lipid
Molekul-molekul Y larut dalam lipid

d)

Molecules Y move by facilitated transportation
Molekul-molekul Y bergerak secara pengangkutan berbantu

14.

Diagram 8 shows an experiment to investigate osmosis.

Rajah 8 menunjukkan satu eksperimen untuk mengkaji osmosis.

Which of the following can be observed after 1 hour?

Antara yang berikut, yang manakah dapat diperhatikan selepas 1 jam?

a)
b)
c)
d)
15.

Diagram 9 shows a plant cell in a particular solution

Rajah 9 menunjukkan suatu sel tumbuhan dalam larutan tertentu.

The plant cell experiences

Sel tumbuhan tersebut mengalami

a)

plasmolysis plasmolisis

b)

deplasmolysis

deplasmolisis

c)

haemolysis

hemolisis

d)

crenation

krenasi

16.

Cucumber slices become soft when immersed in salt solution.

Hirisan timun menjadi lembik apabila direndam ke dalam larutan garam.

Which of the following processes causes the softening of the cucumber slices?

Antara proses yang berikut, yang manakah menyebabkan hirisan timun tersebut menjadi lembik?

a)

Water diffuses into the cucumber slices by osmosis

Air meresap masuk ke dalam hirisan timun secara osmosis

b)

Salt moves into the cucumber slices by active transport

Garam memasuki hirisan timun secara pengangkutan aktif

c)

Salt moves out from the cucumber slices by active transport

Garam keluar daripada hirisan timun secara pengangkutan aktif

d)

Water diffuses out from the cucumber slices by osmosis

Air meresap keluar daripada hirisan timun secara osmosis

17.

An experiment is carried out to determine the concentration of the cell sap of potato.

The result of this experiment is shown in the graph in Diagram 10.

Satu eksperimen dijalankan untuk menentukan kepekatan sap sel ubi kentang.

Keputusan eksperimen tersebut ditunjukkan oleh graf dalam Rajah 10.

At which point A, B, C or D, is the concentration of the cell sap of potato?

Antara titik A, B, C dan D, yang manakah kepekatan sap sel ubi kentang?

a)

A

b)

B

c)

C

d)

D

18.

An onion cell is placed in distilled water.

Satu sel bawang diletakkan di dalam air suling

Which of the following statements is true about the movement of water molecules in early stage?

Antara yang berikut, yang manakah betul mengenai pergerakan molekul-molekul air di peringkat awal?

a)

The rate of water molecules entering the cell is lower than exiting the cell

Kadar molekul air masuk ke dalam sel adalah lebih rendah daripada keluar dari sel

b)

The rate of water molecules entering the cell is higher than exiting the cell

Kadar molekul air masuk ke dalam sel adalah lebih tinggi daripada keluar dari sel

c)

No water molecules entering or exiting the cell

Tiada molekul air masuk ke dalam sel atau keluar dari sel

d)

The rate of water molecules entering and exiting the cell is the same

Kadar molekul air masuk ke dalam sel dan keluar dari sel adalah sama

19.

Diagram 11 shows the conditions of a plant cell

Rajah 11 menunjukkan keadaan-keadaan suatu sel tumbuhan.

What is the correct sequence of the changes in the cell if it was first immersed in 30% sucrose solution for 20 minutes and then in distilled water for 20 minutes?

Apakah urutan yang betul bagi perubahan sel tersebut jika ia mula-mula direndam di dalam larutan sukrosa 30% selama 20 minit dan kemudian di dalam air suling selama 20 minit?

a)

Y → X → Z

b)

X → Z → Y

c)

Z → Y → X

d)

Y → Z → X

20.

Diagram 12 shows the initial level of 30% sucrose solution in a capillary tube for an experiment.

Rajah 12 menunjukkan aras awal bagi larutan sukrosa 30% dalam tiub kapilari bagi satu eksperimen.

Which of the following graphs shows the changes of the level of sucrose solution in capillary tube during the experiment?

Antara graf yang berikut, yang manakah menunjukkan perubahan aras larutan sukrosa dalam tiub kapilari semasa eksperimen tersebut?

a)
b)
c)
d)
21.

What are the main components of a plant cell membrane?

Apakah komponen utama membran sel tumbuhan?

a)

Lipid and protein

Lipid dan protein

b)

Protein, carbohydrate and lipid

Protein, karbohidrat dan lipid

c)

Lipid and carbohydrate

Lipid dan karbohidrat

d)

Carbohydrate and protein

Karbohidrat dan protein

22.

Which of the following is a polysaccharide?

Antara yang berikut, yang manakah polisakarida?

a)

Glycogen

Glikogen

b)

Fructose

Fruktosa

c)

Galactose

Galaktosa

d)

Maltose

Maltosa

23.

Table 1 shows glucose molecules undergoing process Y.

Jadual 1 menunjukkan molekul glukosa melalui proses Y.

What is process Y?

Apakah proses Y?

a)

Photosynthesis

Fotosintesis

b)

Condensation

Kondensasi

c)

Assimilation

Asimilasi

d)

Dialysis

Dialisis

24.

Which of the following is a disaccharide?

Antara yang berikut, yang manakah disakarida?

a)

Fructose

Fruktosa

b)

Galactose

Galaktosa

c)

Sukrose

Sukrosa

d)

Cellulose

Selulosa

25.

Which of the following is a monosaccharide?

Antara yang berikut, yang manakah monosakarida?

a)

Starch

Kanji

b)

Sukrose

Sukrosa

c)

Cellulose

Selulosa

d)

Galactose

Galaktosa

26.

Diagram 13 shows the process of formation of disaccharide molecule.

Rajah 13 menunjukkan proses pembentukan molekul disakarida.

What is process Y?

Apakah proses Y?

a)

Condensation

Kondensasi

b)

Dialysis

Dialisis

c)

Hydrolysis

Hidrolisis

d)

Photosynthesis

Fotosintesis

27.

Which of the following represents the hydrolysis of protein?

Antara yang berikut, yang manakah mewakili hidrolisis protein?

a)

Polypeptides + water → dipeptides

Polipeptida + air → dipeptida

b)

Polypeptides → dipeptides + water

Polipeptida → dipeptida + air

c)

Dipeptides → polypeptides + water

Dipeptida → polipeptida + air

d)

Dipeptides + water → polypeptides

Dipeptida + air → polipeptida

28.

Diagram 14 shows the structure of a protein molecule.

Rajah 14 menunjukkan struktur molekul protein.

Which level of organisation is this protein?

Aras organisasi yang manakah protein tersebut?

a)

Secondary

Sekunder

b)

Primary

Primer

c)

Tertiary

Tertier

d)

Quaternary

Kuartener

29.

Table 2 shows the elements found in food classes P and Q.

Jadual 2 menunjukkan unsur-unsur dalam kelas makanan P dan Q.

What are food classes P and Q?

Apakah kelas makanan P dan Q?

a)

P: Carbohydrate/Karbohidrat

Q :Protein /Protein

b)

P:Protein /Protein

Q : Lipid/Lipid

c)

P: Protein /Protein

Q :Carbohydrate/Karbohidrat

d)

P: Carbohydrate/Karbohidrat

Q : Lipid/Lipid

30.

What is the type of lipid in progesterone, testosterone and oestrogen?

Apakah jenis lipid dalam progesteron, testosteron dan estrogen?

a)

Fats

Lemak

b)

Steroids

Steroid

c)

Wax

Lilin

d)

Phospholipids

Fosfolipid

31.

Diagram 15 shows the mechanism of enzyme action.

Rajah 15 menunjukkan mekanisma tindakan enzim.

What are X, Y and Z?

Apakah X, Y dan Z?

a)

X:Product /Hasil Y: Enzyme/Enzim

Z: Substrate/Substrat

b)

X: Substrate/Substrat Y: Product /Hasil

Z: Enzyme/Enzim

c)

X: Substrate/Substrat Y: Product /Hasil

Z: Product /Hasil

d)

X: Enzyme/Enzim Y: Substrate/Substrat

Z: Product /Hasil

32.

Which of the molecules A, B, C or D, represents the substrate?

Antara molekul A, B, C dan D, yang manakah mewakili substrat?

a)

A

b)

B

c)

C

d)

D

33.

Diagram 16 shows the structures of an enzyme and a substrate.

Rajah 16 menunjukkan struktur enzim dan substrat.

Which of the labelled parts A, B, C or D is the active site?

Antara A, B, C or D, yang manakah tapak aktif?

a)

A

b)

B

c)

C

d)

D

34.

Diagram 17 shows organelles X, Y and Z that are involved in the synthesis and secretion of an extracellular enzyme.

Rajah 17 menunjukkan organel X, Y dan Z yang terlibat dalam sintesis dan rembesan enzim luar sel.

The correct sequence in the producion of the extracellular enzyme is

Urutan dalm penghasilan enzim luar sel yang betul ialah

a)

Y → X → Z

b)

Y → Z → X

c)

Z → Y → X

d)

X → Y → Z

35.

Diagram 18 is a graph which shows the relationship between the rate of reaction and the substrate concentration when factor X is varied.

Rajah 18 ialah satu graf yang menunjukkan hubungan

antara kadar tindak balas dengan kepekatan substrat apabila faktor X diubah.

Factor X is

aktor X ialah

a)

time

masa

b)

pH

pH

c)

enzyme concentration

kepekatan enzim

d)

inhibitor

perencat

36.

Diagram 19 shows the production of extracellular enzymes.

Rajah 19 menunjukkan penghasilan enzim luar sel.

What happen if structure X fails to fuse with Golgo apparatus?

Apakah yang berlaku jika struktur X gagal bercantum dengan jasad Golgi?

a)

Proteins will not be modified

Protein tidak akan diubahsuai

b)

Proteins will be hydrolysed

Protein akan dihidrolisiskan

c)

Proteins will be denatured

Protein akan dinyahaslikan

d)

Proteins will not be synthesised

Protein tidak akan disintesis

37.

Diagram 20 is a graph which shows the optimum pH of an enzyme X in its reaction.

Rajah 20 ialah satu graf yang menunjukkan pH optimum satu enzim X dalam tindak balasnya.

What is enzyme X?

Apakah enzim X?

a)

Salivary amylase

Amilase liur

b)

Rennin

Renin

c)

Trypsin

Tripsin

d)

Pepsin

Pepsin

38.

Diagram 21 is a graph which shows the rate of enzyme hydrolysis reactions, X and Y, in the human body.

Rajah 21ialah satu graf yang menunjukkan kadar tindak balas enzim hidrolisis X dan Y dalam badan manusia.

Which of the following is correct?

Antara yang berikut, yang manakah betul?

a)

Enzyme X / Enzim X : Secreted in the stomach

/Dirembes di dalam perut

Enzyme Y/Enzim : Secreted in the pancreas/Dirembes di dalam pankreas

b)

Enzyme X / Enzim X : X is trypsin/X ialah tripsin

Enzyme Y/Enzim : Y is lipase/Y ialah lipase

c)

Enzyme X / Enzim X : Synthesized in the rough endoplasmic reticulum/Disintesiskan di jalinan endoplasma kasar

Enzyme Y/Enzim : Synthesized in the smooth endoplasmic reticuluM/ Disintesiskan di jalinan endoplasma licin

d)

Enzyme X / Enzim X : Optimum pH is 4.0/ pH optimum ialah 4.0

Enzyme Y/Enzim : Optimum pH is 11.5/pH optimum ialah 11.5

39.

Chemical compound X controls all activities in the cell. The cell will die if X is absent.

Sebatian kimia X mengawal kesemua aktiviti di dalam sel. Sel akan mati jika X tidak hadir.


Chemical compound X is

Sebatian kimia X ialah

a)

enzyme

enzim

b)

amino acid

asid amino

c)

nucleic acid

asid nukleik

d)

lipid

lipid

40.

The optimum temperature for enzyme reactions in the human body is

Suhu optimum bagi tindak balas enzim dalam badan manusia ialah

a)

25°C

b)

30°C

c)

37°C

d)

45°C

41.

The phase for synthesis and replication of DNA is

Fasa untuk sintesis dan replikasi DNA ialah

a)

G2

b)

G1

c)

M

d)

S

42.

Diagram 22 shows the processes occur during mitosis in a cell

Rajah 22 menunjukkan proses-proses berlaku semasa mitosis dalam sel.

The correct sequence of mitosis is

Urutan mitosis yang betul ialah

a)

Z → W → Y → X

b)

W → Y → Z → X

c)

X → Z → Y → W

d)

W → Z → X → Y

43.

Diagram 23 shows a cell at one of the stage in mitosis.

Rajah 23 menunjukkan satu sel pada salah satu peringkat dalam mitosis.

Which of the following is the cell produced by cell division?

Antara yang berikut, yang manakah sel yang dihasilkan daripada pembahagian sel tersebut?

a)
b)
c)
d)
44.

Diagram 24 shows Anaphase II of meiosis.

Rajah 24 menunjukkan Anafasa II meiosis.

What happens during this stage?

Apakah yang berlaku semasa peringkat tersebut?

a)

The synapsis occurs

Sinapsis berlaku

b)

The homologous chromosomes move to the opposite poles of the cell

Kromosom homolog bergerak ke kutub sel yang bertentangan

c)

The cross over occurs

Pindah silang berlaku

d)

The sister chromatids move to the opposite poles of the cell

Pasangan kromatid bergerak ke kutub sel yang bertentangan

45.

Diagram 25 shows a diploid cell. The cell undergoes meiosis.

Rajah 25 menunjukkan satu sel diploid. Sel tersebut mengalami meiosis.

The stage where the number of chromosome starts to reduce to half is

Peringkat di mana bilangan kromosom mula dikurangkan menjadi separuh ialah

a)
b)
c)
d)
46.

The diploid chromosomal number of a fruit fly is 8. How many chromosomes can be found in the gametes?

Nombor kromosom diploid bagi seekor lalat buah ialah 8. Berapakah bilangan kromosom dalam gamet?

a)

2

b)

4

c)

8

d)

16

47.

The diploid chromosomal number of a cow is 60. One of the homologous chromosome pairs does not separate during Meiosis I. How many chromosomes can be found in one of the gametes?

Nombor kromosom diploid bagi seekor lembu ialah 60. Satu daripada pasangan kromosom homolog tidak terpisah semasa Meiosis I. Berapakah bilangan kromosom yang didapati pada salah satu gamet?

a)

29

b)

30

c)

59

d)

60

48.

What is the importance of meiosis?

Apakah kepentingan meiosis?

a)

Cloning

Pengklonan

b)

Tissue culture

Kultur tisu

c)

To produce haploid cells

Untuk menghasilkan sel haploid

d)

To produce diploid cells

Untuk menghasilkan sel diploid

49.

Which of the following causes Down's syndrome?

Antara yang berikut, yang manakah menyebabkan sindrom Down?

a)

Synapsis did not occur during prophase I

Sinapsis tidak berlaku semasa profasa I

b)

Nucleus membrane did not form during telophase II

Membran nukleus tidak terbentuk semasa telofasa II

c)

Cytokinesis did not occur during telophase II

Sitokinesis tidak berlaku semasa telofasa II

d)

Sister chromatid did not separate during anaphase II

Pasangan kromatid tidak terpisah semasa anafasa II

50.

Diagram 26 below shows the phases in the mitotic cell division.

Rajah 26 menunjukkan fasa –fasa dalam pembahagian sel secara mitosis.

What is the chromosomal behavior during X phase ?

Apakah perlakuan kromosom sewaktu fasa X ?

a)

The chromosomes have replicated

Kromosom bereplikasi

b)

The chromosomes form sister chromatids

Kromosom membentuk kromatid beradik

c)

The chromosomes start to shorten and thicken

Kromosom mula memendek dan menebal

d)

The chromosomes aligned at the equator plane

Kromosom tersusun di plat khatulistiwa

51.

Which is the main substrate of cellular respiration.

Apakah substrat utama respirasi

a)

carbon dioxide

karbon dioksida

b)

glucose

glukosa

c)

water

air

d)

ethanol

etanol

52.

Where does the aerobic respiration take place in the cell?

Di manakah respirasi aerob berlaku di dalam sel?

a)

Nucleus

nukleus

b)

Mitochondrion

Mitokondrion

c)

Golgi Apparatus

Jasad Golgi

d)

Plasma membrane

Membran plasma

53.

Which organism carries out alcoholic fermentation to allow glycolysis process to continue producing ATP?

Organisma alkohol yang manakah melakukan fermentasi alkohol untuk membolehkan proses glikolisis terus menghasilkan ATP?

a)

Reptile

Reptilia

b)

Human

Manusia

c)

Yeast

Yis

d)

Bird

Burung

54.

Where is the site for lactic acid fermentation to accur?

Dimanakah tapak berlakunya fermentasi asid laktik?

a)

Environment where oxygen is present

persekitaran di mana terdapatnya oksigen

b)

Mitochondrian

Mitokondrian

c)

Muscle cell

Sel otot

d)

Bread dough

Doh roti

55.

Which of the following equations represents the reaction that occurs when yeast carries out respiration in the absence of oxygen?

Antara persamaan berikut, yang manakah mewakili tindakbalas yang berlaku semasa yis melakukan respirasi dalam keadaan ketiadaan oksigen?

a)

Glucose → Lactic acid + energy

Glukosa → Asid laktik + tenaga

b)

Glucose → Etanol + karbon dioxide + energy

Glukosa → Etanol + Karbon dioksida + tenaga

c)

Glucose → karbon dioxide + Water + Energy

Glukosa → karbon dioxide + air + tenaga

d)

Glucose → Oxygen + water + energy

Glukosa → Oksigen + Air + tenaga

56.

Which of the following contributes to the accumulation of lactic acid in an athlete’s

muscles after running in 100 m sprint? Antara berikut, yang manakah menyumbang kepada pengumpulan asid laktik di dalam

otot seorang atlet selepas berlari dalam 100m lari pecut

a)

Anaerobic respiration in muscles increases

Respirasi anaerobik di dalam otot meningkat

b)

Anaerobic respiration in muscle decreases

Respirasi anaerobik di dalam otot menurun

c)

Aerobic respiration in muscles increases

Respirasi aerobik di dalam otot meningkat

d)

Aerobic respiration in muscles decreases

Respirasi aerobik di dalam otot menurun

57.

Which structure is involved in the breathing of a frog?

Struktur manakah yang terlibat dalam pernafasan katak?

a)

Rib cage

Sangkar rusuk

b)

Diaphragm

Diafragma

c)

Intercostal muscle

Otot interkosta

d)

Mouth cavity

Rongga mulut

58.

In the respiratory system of a fish, where does gaseous exchange occur?

Dalam system respirasi ikan, di manakah pertukaran gas berlaku?

a)

Gill raker

Sisir insang

b)

Gill arch

Lengkungan insang

c)

Filament

Filamen

d)

Mouth

Mulut

59.

Diagram shows parts of the tracheal system of insects.

Rajah menunjukkan sebahagian daripada system trakea pada serangga.

What are substances X and Y?

Apakah bahan X dan Y?

a)

X:Oxygen/Oksigen

Y:Carbon dioxide/Karbon dioksida

b)

X:Carbon dioxide/Karbon dioksida

Y:Oxygen/Oksigen

c)

X:Oxygen/Oksigen

Y:Water/Air

d)

X:Water/Air

Y:Oxygen/Oksigen

60.

Diagram shows a model of the lungs.

Rajah menunjukkan satu model peparu.

What happens to X and Y when the string is pulled downwards?

Apakah yang berlaku kepada X dan Y apabila tali ditarik ke bawah?

a)

X: Volume decreases/Isi padu berkurang

Y:Contract/Mengecut

b)

X: Pressure increases/Tekanan bertambah

Y: Contract/Mengecut

c)

X: Pressure decreases//Tekanan berkurang

Y: Contract/Mengecut

d)

X: Volume increases/Isi padu bertambah

Y: Expand/Mengembang

61.

What will happen if alveoli in the lung burst?

Apakah yang akan berlaku jika alveolus dalam peparu pecah?

a)

Snoring

Mendengkur

b)

Shivering

Menggigil

c)

Sweating

Berpeluh

d)

Gasping

Tercungap-cungap

62.
a)

I only

I sahaja

b)

I and II

I dan II

c)

I, III and IV

I, III dan IV

d)

I, III and IV

I, III dan IV

63.

Diagram shows an alveolus and a blood capillary.

Rajah menunjukkan alveolus dan kapilari darah.

What are the partial pressure of oxygen at X, Y and Z?

Apakah tekanan separa oksigen di X, Y dan Z?

a)

X:Low/Rendah

Y:High/Tinggi

z: Low/Rendah

b)

X:High/Tinggi

Y:High/Tinggi

z: Low/Rendah

c)

X: Low/Rendah

Y: Low/Rendah

z:High/Tinggi

d)

X:Low/Rendah

Y: High/Tinggi

z:High/Tinggi

64.

Smoking has the immediate effect of

Merokok mempunyai kesan serta merta yang

a)

blackening the alveoli

menghitamkan alveolus

b)

contracting the alveolus

mengecutkan alveolus

c)

causing the formation of cancel cells

menyebabkan pembentukan sel kanser

d)

drying up the lining of the aveoli

mengeringkan permukaan alveolus

65.

How does the efficiency of gaseous exchange of a fish is maximised?

Bagaimanakah kecekapan pertukaran gas bagi seekor ikan dimaksimakan?

a)

The opposite direction of blood and water flow through the gills

Arah pengaliran darah dan air yang bertentangan melalui insang

b)

The closing of mouth

Penutupan mulut

c)

The opening of operculum

Pembukaan operkulum

d)

The same direction of blood and water flow through the gills

Arah pengaliran darah dan air yang sama melalui insang

66.

Diagram is a graph which shows the rate of heartbeat of a athlete during a marathon training.

Rajah ialah graf yang menunjukkan kadar denyutan jantung seorang atlet semasa latihan maraton

Which part of the graf labelled A, B, C or D, shows the rate of heartbeat after the athlete stops running?

Antara bahagian pada graf berlabel A, B, C dan D, yang manakah menunjukkan kadar denyutan jantung selepas atlet tersebut berhenti berlari?

a)

A

b)

B

c)

C

d)

D

67.

Diagram shows an equation.

Rajah menunjukkan suatu persamaan.

It represents

Ia mewakili

a)

the anaerobic respiration

respirasi anaerob

b)

the hydrolysis of glucose

hidrolisis glukosa

c)

the aerobic respiration

repirasi aerob

d)

the condensation of glucose

kondensasi glukosa

68.

Diagram shows an experiment to investigate the yeast respiration.

Rajah menunjukkan satu eksperimen untuk mengkaji respirasi yis.

The mixture that can increase the rate of respiration of yeast is

Campuran yang dapat meningkatkan kadar respirasi yis ialah

a)

1 g of yeast and 25 mℓ of 5% glucose solution

1 g yis dan 25 mℓ larutan glukosa 5%

b)

1 g of yeast and 25 mℓ of 6% glucose solution

1 g yis dan 25 mℓ larutan glukosa 6%

c)

1 g of yeast and 25 mℓ of 6% glucose solution

1 g yis dan 25 mℓ larutan glukosa 6%

d)

1 g of yeast and 25 mℓ of 13% glucose solution

1 g yis dan 25 mℓ larutan glukosa 13%

69.

In which of the following situation, does the oxygen debt occur?

Dalam situasi yang manakah berlakunya hutang oksigen?

a)

More carbon dioxide has been produced

Lebih banyak karbon doksida telah dihasilkan

b)

Lactic acid fermentation has taken place

Fermentasi asid laktik telah berlaku.

c)

An increase in the pulse rate

peningkatan kadar denyutan nadi

d)

An increase in the breathing rate

Peningkatan kadar pernafasan.

70.

Which processes occur in respiratory system to return the oxygen level from low to normal?

Proses manakah yang berlaku dalam sistem respirasi untuk mengembalikan aras oksigen dari rendah kepada normal?

a)

I only

I sahaja

b)

I and II

I dan II

c)

I, III and IV

I, III dan IV

d)

II, III and IV

II, III dan IV