tov jpnt 2010

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Section A

Bahagian A

[60 marks]

[60 markah]

Answerall question in this section

Jawab semua soalan dalam bahagian ini

1. Diagram 1 shows cell organisation in a plant organ.

Rajah 1 menunjukkan organisasi sel dalam organ tumbuhan.

Diagram 1

Rajah 1

(a) Name thedifferent types of cells shown in Diagram 1.

Namakan tiga jenis sel yang ditunjukkan dalam Rajah 1.

P: .

R:

[1 mark]

(b) Explain the functions that related to the characteristic of each cells.

Nyatakan fungsi yang berkaitan dengan ciri bagi setiap sel

P : ..............................................................................................................................

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

4551/2@Hak CiptaJabatan Pelajaran Negeri TerengganuLihat sebelah

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P

T

S

ROrgan L

VU

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R : ..............................................................................................................................

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

[4 marks]

(c) Based on Diagram 1, name the tissues that form the organ L.

Berdasarkan Rajah 1, namakan tisu-tisu yang membentuk organ L.

[1 mark]

(d) Name and state adaptive features of the cell in tissue V in transportation of

substances in plant.

Terangkan ciri penyesuaian sel-sel dalam tisu V dalam pengangkutan bahan- bahan

dalam tumbuhan .

S : ............................................................................................................................

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

T : ............................................................................................................................

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

[4 marks]

(e) If cells U is cultured in a suitable and sterile nutrient medium, what structure wouldbe produced after two weeks. Explain your answer.

Jika sel-sel U dikultur dalam medium nutrien yang sesuai dan steril, apakah struktur

yang dihasilkan selepas dua minggu. Terangkan jawapan anda.

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

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

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

[2 marks]


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2. Diagram 2(a) shows the structure of plant cell before and after they immersed in

solution Z

Rajah 2(a) menunjukkan struktur sel tumbuhan sebelum dan selepas direndamkan didalam larutan Z.

Diagram 2(a)Rajah 2(a)

(a)(i) What type of the solution Z?

Apakah jenis larutan Z

..

[1mark]

(ii) Explain the phenomenon which takes place in the plant cell?

Terangkan fenomena yang telah berlaku di dalam sel tumbuhan tersebut.

.

.

[2 marks]

(b) Diagram 2(c) shows the red blood cells in different concentrations of solutions.

Rajah 2(c) menunjukkan sel darah merah di dalam larutan yang berlainan kepekatan.

Diagram 2(c)Rajah 2(c)


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Before being immersed in solution Z

Sebelum direndamkan di dalam larutan Z

Red blood cell in concentrated salt solution

Sel darah merah di dalam larutan garam yangpekat

Red blood cell in distilled water

Sel darah merah di dalam air suling

After being immersed in solution Z

Selepas direndamkan di dalam larutan Z

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(i) Draw an arrow ( ) on each diagram to show the direction of water molecules

Lukis anak panah) ( ) di atas setiap rajah untuk menunjukkan arah pergerakan

molekul air.[2 marks]

(ii) Explain the condition of the red blood cell after being immersed in the

concentrated salt solution.

Terangkan keadaan sel darah merah selepas direndam dalam larutan garamyang pekat

[2marks]

(iii) Draw the shape of red blood cell after being immersed in the distilled water in the

box provided.

Lukis bentuk sel darah merah selepas direndamkan di dalam air suling dalam

kotak yang disediakan.

[1mark]

(c)


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Food such as mushrooms, fruits, vegetables and fish can be preserves to last longer

by using natural preservatives. For example, preservation of mangoes by soaking in

the vinegar.

Makanan seperti cendawan, buah-buahan, sayura-sayuran dan ikan boleh

diawet.untuk tahan lama menggunakan bahan-bahan pengawet.semulajadi.

Contohnya,pengawetan mangga direndamkan di dalam cuka

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(i) Based on the statement, state the characteristic of the vinegar which is suitable to

be used as the natural preservative for the preservation of the mangoes .

Berdasarkan penyataan di atas ,nyatakan ciri cuka yang menjadikannya sesuaisebagai bahan pengawet semulajadi dalam pengawetan mangga.

[1mark]

(ii) Explain your answer in (c)(i)

Terangkan jawapan anda dalam (c)(i)

[3 marks]

3) Diagram 3(a) shows three stages in an enzyme-controlled chemical reaction.

Rajah 3(a) menunjukkan tiga peringkat dalam tindakbalas kimia yang dikawal olehenzim.

Diagram 3(a)

Rajah 3(a)

(i) Name the enzyme reaction

Namakan tindakbalas enzim tersebut.

[1 mark]

(ii) State a characteristic of enzyme that is shown in the reaction

Nyatakan satu ciri enzim yang ditunjukkan dalam tindakbalas ini.

[1 mark]


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Substrat

e

Enzyme

Enzyme-substrate complex

Products

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(iii) Explain the reaction of enzyme based on diagram 3(a)

Terangkan tindakbalas enzim berdasarkan rajah 3(a)

[2 marks]

b) Diagram 3(b) shows three different brands of washing powder P, Q and R.

Rajah 3(b) menunjukkan tiga jenama serbuk pencuci yang berbeza P, Q dan R.

Diagram 3(b)

Rajah 3(b)

(i) What are biological washing powders? Give one example of chemical present in

biological washing powder that helps in the removal of food stains from clothes

and its function.

Apakah serbuk pencuci biologi? Berikansatu contoh bahan kimia yang hadirdalam serbuk pencuci biologi yang membantu dalam menyingkirkan kotoranmakanan pada pakaian dan fungsinya

[2 marks]

(ii) Explain why brand Q washing powder is more effective when used in hot waterthan cold water.

Terangkan kenapa serbuk pencuci berjenama Q lebih efektif apabila digunakan

dalam air panas berbanding air sejuk.

[2 marks]


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P

Biological

washing

powder(30C - 40C)

warm water

Q

Biological

washing

powder(60C - 80C)

hot water

R

Non-biological

washing

powder

(30C - 80C)

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(iii) Suggest what would happen if brand P washing powder is used with hot water.

Cadangkan apakah yang akan berlaku jika serbuk pencuci jenama P digunakan

dengan air panas.

[1 mark]

(iv) Explain why brand R washing powder can be used with warm or hot water.

Terangkan kenapa serbuk pencuci jenama R boleh digunakan dengan air suam

atau air panas.

[1 mark]

(v) Give one example of enzyme and its function in food processing and textile

industry.Berikan satu contoh enzim dan fungsinya dalam bidang pemprosesan makanan

dan tekstil.

[2 marks]

4. Diagram 4.1 shows a cell cycle.

Rajah 4.1 menunjukkan kitar sel.

Diagram 4.1

Rajah 4.1

(a) In the diagram, label the phases G1, G2, M and S.Pada rajah, labelkan fasa G1, G2, M dan S.


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[2 marks]

(b) State the difference of what happens at phase G1 and S.

Nyatakan perbezaan yang berlaku pada fasa G1 dan S.

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

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

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

[1 mark]

(c) Diagram 4.2 shows the nucleus of a somatic plant cell.

Rajah 4.2 menunjukkan nukleus sel soma tumbuhan.

(i) In the space below, draw the nucleus of the daughter cell produced by mitosisDalam ruangan di bawah, lukiskan nukleus sel anak yang terhasildari mitosis

[1 mark]

(ii) If the parent cell in Diagram 4.2 divides three times during mitosis, state the

number of daughter cells formed.

Jika sel induk pada Rajah 4.2 membahagi sebanyak 3 kali secara mitosis,nyatakan bilangan sel anak yang terhasil.

..

[1 mark]


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Diagram 4.2

Rajah 4.2

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(d) Every somatic cell of plants has a potential to form a complete new organisms.

Semua sel soma tumbuhan berpotensi untuk membentuk organisma baru yanglengkap.

(i) Name the technique used to produce new plants in large quantities.

Namakan teknik yang digunakan untuk menghasilkan anak tumbuhan dalam

kuantiti yang banyak.

......

[1 mark]

(ii) By using one suitable part of the plant, explain the technique named in (d)(i).

Dengan menggunakan satu bahagian tumbuhan yang sesuai, terangkan teknik

yang dinamakan di (d)(i).

[3 marks]

(e) Cancer is one type of genetic disease.

Kanser ialah satu penyakit genetik.

(i) How cancerous cells produced.

Bagaimanakah sel-sel kanser terhasil.

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

[1 mark]

(ii) Chemotherapy is a method to treat cancer by using chemical compounds.

Explain how this treatment stops the growth of cancer cells.Kemoterapi ialah satu kaedah rawatan penyakit kanser yang menggunakan

bahan kimia. Terangkan bagaimana rawatan ini menyekat pertumbuhan sel

kanser.

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

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

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

..............................................................................................................................[2 marks]


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5. Diagram 5 (a) shows the human digestive system

Rajah 5(a) menunjukkan sistem penghadaman manusia

Diagram 5(i)/Rajah 5(i)

(a) (i) Label organ/Labelkan organ

P : . S :

[2 marks]

(ii) Name the substance that synthesized by P then stored in Q and explain the role of

it in lipid digestion.Namakan bahan yang disintesis oleh P yang disimpan di dalam Q dan terangkanperanan bahan itu dalam pencernaan lipid

[3 marks]

(b) State two importance of reabsorption process of water and mineral that take place in

S.

Nyatakan dua kepentingan proses penyerapan semula air dan mineral yang berlaku

di S.

.

.

..[2 marks]


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R S

P

Q

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(c) Diagram 5(b) is experiment analogy in laboratory to show the digestion and

assimilation food in R.

Rajah 5(b) di bawah adalah analogi eksperimen yang dilakukan di dalam makmaluntuk menunjukkan proses pencernaan dan penyerapan makanan di dalam R

Diagram 5(b)/ Rajah 5(b)

The result of an experiment shown in the table below.

Keputusan eksperimen ditunjukkan di dalam jadual di bawah

Test to distilled water/

Ujian ke atas air suling/0 minit /minute 30 minit/ minutes

Iodine Solution

Larutan Iodin

Yellowish brown

Kuning

keperangan

Yellowish brown

Kuning keperangan

Benedicts reagen

Bahanuji benedict

Blue

Biru

Brick red precipitate formed

Mendakan merah bata

terbentuk

Based on diagram 5(b) and the result in the table

Berdasarkan gambarajah dan jadual keputusan eksperimen,(i) Name the substance in distilled water after 30 minutes.

Namakan bahan yang terdapat di dalam air suling selepas 30 minit

[1 mark]

(ii) Explain how digestion and assimilation starch take place in visking tube.Terangkan bagaimanakah proses pencernaan dan penyerapan kanji berlaku dalam

visking tiub.

[2 marks]


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Distilled water,37oC /air suling 37oC

Starch and saliva/

Kanji dan air liur

Visking tube/

Tiub Visking

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(d) (i) What the effect of the excess glucose level if organ P damaged.

Apakah kesan terhadap aras glukosa berlebihan di dalam darah sekiranya organP rosak.

....

[1 mark]

(ii) Suggest one treatment to prevent the problem in d(i)

Cadangkan satu rawatan untuk mengatasi masaalah di d(i)

....

[1 mark]


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Section B

Bahagian B

[40 marks]

[40 markah]

Answertwo questions in this section

Jawab dua soalan dalam bahagian ini

Diagram 6(a)

Rajah 6(a)

6.(a) Photosynthesis takes place primarily in Diagram 6(a), located in the label P and Q.Fotosintesis berlaku seperti dalam Rajah 6(a), iaitu pada lokasi yangberlabel P dan Q

(i) Name the structure label P and Q.

Namakan struktur yang berlabel P dan Q.[2 marks]

(ii) Discuss the process occur in structure P and Q.

Bincangkan process yang berlaku pada struktur P dan Q.[8 marks]


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P

Q

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(b)

Diagram 6(b)

Rajah 6(b)

Based on the Diagram 6(b) and above statement, explain the necessity for food

processing.

Berdasarkan Rajah 6(b) dan pernyataan di atas, terangkan keperluan pemprosesanmakanan.

[10 marks]


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Food preservation involves methods of preparing food to extend the lifespan and to

avoid wastage of food.

Pengawetan makanan melibatkan kaedah peyediaan untuk memanjangkan tempoh

hayat dan mengelakkan pembaziran makanan.

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7 (a) Diagram 7(a) shows tissue X and cell Y.

Rajah 7(a) menunjukkan tisu M dan sel N.

Diagram 7(a)

Rajah 7(a)

(i) Based on Diagram 7(a), explain the cellular respiration process that

occurs in the following conditions:

Respiration occurs in tissue X during relaxing

Respiration occurs in cell Y during fermentation

Berdasarkan Rajah 7(a), terangkan proses respirasi selyang berlaku dalam keadaan berikut:

Respirasi yang berlaku dalam tisu X semasa berehat

Respirasi yang berlaku dalam sel Y semasa penapaian

[4 marks]

(ii) Smoking cigarette will cause changes to the body tissues and affect the

respiratory system. Explain how cigarette smoke affected the lung.

Menghisap rokok akan menyebabkan perubahan kepada tisu badandan memberi kesan kepada sistem respirasi. Terangkan

bagaimanakah asap rokok mempengaruhi peparu.[6 marks]


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Tissue X

Cell Y

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(b)

Diagram 7(b)

Rajah 7(b)

Based on Diagram 7(a),

Berdasarkan Rajah 7(a),

(i) Explain how respiratory gases exchange at alveolus and body cell.

terangkan bagaimanakah pertukaran gas respirasi pada alveolus dan

sel badan

(ii) Explain how oxygen is transported along blood vessel.

terangkan bagaimanakah pengangkutan oksigen sepanjang salur

darah[10 marks]


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Blood vessel

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8.

Diagram 8(a)

Rajah 8(a)

a) Based on Diagram 8(a), explain the biotic components.

Berdasarkan Rajah 8(a), terangkan komponen-komponen biotik.[6 marks]

b) Explain how energy flows within the food web.

Terangkan bagaimana tenaga dipindahkan didalam jaringan makanan.[4 marks]

Diagram 8(b)

Rajah 8(b)

c) Organism S and T as shown in Diagram 8(b) are representing to two type of

microorganisms that are very useful and widely used in the field of biotechnology.

Explain with suitable examples how the both type of microorganisms are

commercially used.

Organisma S dan T seperti dalam Rajah 8(b) adalah mewakili dua jenis

mikroorganisma yang sangat berguna dan digunakan dengan meluas didalam bidangbioteknologi,

Terangkan dengan menggunakan contoh yang sesuai bagaimana kedua-dua jenis

mikroorganisma digukan secara komersial.[10 marks]


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T

Small bird

EagleSnakeGrasshopper

Frog

Paddy

Aphid

Caterpillar

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\

Diagram 9(a)

Rajah 9(a)

9. (a) Diagram 9(a) shows human activities. Based on diagram discuss the effects of the

activities to the nearby river.

Rajah 9(a) menunjukkan aktiviti manusia. Berdasarkan rajah terangkan kesan-kesanaktiviti tersebut keatas sungai yang berhampiran.

[10 marks]


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n

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Diagram 9(b)

Rajah 9(b)

(b) Diagram 9(b) shows one environmental phenomenon. Discuss how thephenomenon occurs and the impacts on the environment.

Rajah 9(b) menunjukkan satu fenomena alam sekitar. Bincangkan bagaimana

fenomena itu terjadi dan kesannya ke atas persekitaran.

[10 marks]

END OF QUESTION


mosphere

SunAtmosphere

tov jpnt 2010

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