trial kedah biology spm 2013 k2

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SULIT 2 4551/2 4551/2 ©2013 Hak Cipta  MPSM Kedah [Lihat halaman sebelah SULIT Section A Bahagian A [60 marks] [60 markah] Answer all questions from this section.  Jawab semua soalan dalam bahagian ini. 1 Diagram 1 shows four levels of cell organisation in humans. Rajah 1 menunjukkan empat aras organisasi sel dalam manusia.  Level 1 Aras 1 Process X  proses X  Level 2 Aras 2 Level 3 Aras 3 level 4 Aras 4 Diagram/ Rajah 1 (a) Complete Table 1 by naming Level 2 and Level 3. Lengkapkan Jadual 1 dengan menamakan Aras 2 dan Aras 3. Level / Aras Name / Nama 1 Cells 2 …………………...……………………..  3 ……………………......................... 4 System [ 2 marks/ markah] (b) (i) The cell undergo process X to become specific cells that perform a specific function. Name process X. Sel-sel itu melalui proses X untuk menjadi sel khusus yang menjalankan fungsi yang khusus. Namakan proses X Process X / Proses X : …………………………………………………………………………………………………… [ 1 mark/ markah] Pancreas/ pankreas

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7/29/2019 Trial Kedah Biology SPM 2013 K2

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SULIT 2 4551/2

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Section A

Bahagian A

[60 marks]

[60 markah]

Answer all questions from this section.

 Jawab semua soalan dalam bahagian ini.

1 Diagram 1 shows four levels of cell organisation in humans.

Rajah 1 menunjukkan empat aras organisasi sel dalam manusia. 

Level 1

Aras 1

Process X

 proses X  Level 2

Aras 2  Level 3

Aras 3 level 4

Aras 4 

Diagram/ Rajah 1

(a) Complete Table 1 by naming Level 2 and Level 3.

Lengkapkan Jadual 1 dengan menamakan Aras 2 dan Aras 3. 

Level / Aras  Name / Nama

1 Cells

2…………………...…………………….. 

3…………………….........................

4 System

[ 2 marks/ markah] 

(b) (i) The cell undergo process X to become specific cells that perform a specific function.Name process X.

Sel-sel itu melalui proses X untuk menjadi sel khusus yang menjalankan fungsi yang

khusus.

Namakan proses X

Process X / Proses X : ……………………………………………………………………………………………………  

[ 1 mark/ markah]

Pancreas/

pankreas

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(ii) Based on the diagram 1 ,what is the function of the structure in level 2?

Berdasarkan Rajah 1, apakah fungsi struktur dalam aras 2?

…………………………………………………………………………………………………………………………………. 

…………………………………………………………………………………………………………………………………. 

[ 2 marks/ markah]

(iii) Name the system in level 4.

Namakan sistem dalam aras 4

…………………………………………………………………………………………………………………………………. 

[ 1 mark/ markah] 

(c) Pancreas is one of the organ in the system. Explain how pancreas reacts in the

regulation of the glucose content in human blood.Terangkan bagaimana tindakan pankreas terhadap kawal atur kandungan glukosa

dalam darah manusia.

…………………………………………………………………………………………………………………………………. 

…………………………………………………………………………………………………………………………………. 

…………………………………………………………………………………………………………………………………. 

…………………………………………………………………………………………………………………………………. 

…………………………………………………………………………………………………………………………………. 

…………………………………………………………………………………………………………………………………. 

[ 4 marks/ markah]

(d) (i) A man found his urine contain sugar when tested with Benedict solution

Seorang lelaki telah mendapati air kencingnya mengandungi gula dalam ujian dengan

larutan benedict

State the health problem faced by the man.

Nyatakan masalah kesihatan lelaki tersebut.

…………………………………………………………………………………………………………………………………. 

[ 1 mark/ markah] 

(ii) Suggest the action need to be taken by the man to overcome his health

problem in (d) (i)

Cadangkan satu tindakan perlu diambil oleh lelaki tersebut untuk mengatasi 

masalah Kesihatannya dalam (d) (i)

…………………………………………………………………………………………………………………………………. 

[ 1 mark/ markah] 

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2 Diagram 2.1 shows two strips of mustard green stem after 20 minutes immersed into two

different solutions P and Q.

Rajah 2.1 menunjukkan dua jalur batang sawi selepas 20 minit direndam di dalam dua larutan

yang berbeza, iaitu P dan Q.

P

Distilled water Air suling 

30% sucrose solutionLarutan sukrosa 30%

Diagram/ Rajah 2.1

(a) Based on diagram 2.1 ,

Berdasarkan rajah 2.1 ,

(i) State the type of solution Q.

Nyatakan jenis larutan Q.

…………………………………………………………………………………………………………………………………. [ 1 mark/ markah]

(ii) Explain how solution Q affects the condition of the cells in the strip of mustard green.

Terangkan bagaimana larutan Q mempengaruhi keadaan sel di dalam jalur sawi 

…………………………………………………………………………………………………………………………………. 

…………………………………………………………………………………………………………………………………. 

[ 2 marks/ markah]

(iii) If strip from the solution Q is transferred into solution P, explain what will happen tothe cells in the strip after 20 minutes

 Jika jalur dari larutan Q dipindahkan ke dalam larutan P, terangkan apa yang akan

berlaku kepada sel dalam jalur tersebut selepas 20 minit.

…………………………………………………………………………………………………………………………………. 

…………………………………………………………………………………………………………………………………. 

…………………………………………………………………………………………………………………………………. 

…………………………………………………………………………………………………………………………………. 

[ 3 marks/ markah]

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(b) Diagram 2.2 shows the red blood cells in different concentrations of solutions.

Rajah 2.2 menunjukkan sel darah merah di dalam larutan yang berlainan kepekatan.

Diagram/Rajah 2.2

Explain the differences between the process experienced by the red blood cell X and Y after

being immersed in the respective solution for half an hour.

Terangkan perbezaan di antara proses yang dialami oleh sel darah merah X dan Y setelah

direndam dalam larutan masing-masing selama 30 minit.

………………………………………………………………………………………………………………………………………….. 

………………………………………………………………………………………………………………………………………….. 

………………………………………………………………………………………………………………………………………….. 

………………………………………………………………………………………………………………………………………….. 

[ 3 marks/ markah]

(c) Vinegar is a natural preservative that can be used to preserve fruits and vegetables to be

kept longer. Explain how the vinegar is effective in the preservation of mangoes.

Cuka adalah pengawet semulajadi yang boleh digunakan untuk mengawet buah-buahan dan

sayur-sayuran untuk tahan lama. Terangkan bagaimana cuka adalah berkesan dalam

 pengawetan buah mangga.

…………………………………………………………………………………………………………………………………. …………………………………………………………………………………………………………………………………. 

…………………………………………………………………………………………………………………………………. 

…………………………………………………………………………………………………………………………………. 

[ 3 marks/ markah]

Red blood cells X in 3% sodium

chloride solution after 30 minutes

Sel darah merah X dalam larutan

natrium klorida 3% selepas 30 minit 

Red blood cells Y in 0.1% sodium

chloride solution after 30 minutes

Sel darah merah Y dalam larutan

natrium klorida 0.1% selepas 30 minit 

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3. Diagram 3.1(a) shows the structure of organelle P which is found in most plant cells and diagram

3.1(b) shows a cross section of leaf.

Rajah 3.1(a) menunjukkan organel P yang ditemui dengan banyaknya dalam kebanyakan sel-sel 

tumbuhan dan gambarajah 3.1(b) menunjukkan keratan rentas daun.

Diagram 3.1(a)

Gambarajah 3,1(a) 

Diagram 3.1 (b)

Gambarajah 3.1(b) 

(a) (i) Name organelle P

Namakan organel P

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

[ 1 mark / markah ]

(ii) Based on diagram 3.1(b), state two types of cells where organelle P can be found

abundantly.

Berdasarkan gambarajah 3.1 (b), nyatakan dua jenis sel di mana organel P dapat ditemui 

dengan banyaknya.

1. ...................................................................................................................................

2. ...................................................................................................................................

[ 2 marks / markah]

Organelle P Cross section of leaf 

Keratan rentas daun

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(b) Diagram 3.2 shows two stages of the reaction that occur in the photosynthesis process.

Gambarajah 3.2 menunjukkan dua peringkat bagi tindakbalas yang berlaku dalam proses

 fotosintesis.

STAGE APeringkat A

24 H+

+ 24 e _

 

24 OH¯  - 24e- 24OH

12H2O + 6O2 

STAGE BPeringkat B

24 H

Diagram/ Rajah 3.2

(i) Name stage A and B

Namakan peringkat A dan B.

A: .........................................................

B: .........................................................

[ 2 marks / markah]

(ii) Name the part of the organelle P where stage A and B take place?

Namakan bahagian dalam organel P di mana tindakbalas A dan B berlaku? 

A: ......................................................

B: ......................................................

[ 2 marks / markah]

(iii) Explain the process that occurs in stage A.

Terangkan proses yang berlaku dalam peringkat A.

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

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

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

[2 marks / markah ]

Water/ Air  

24 H2O

Glucose / Glukosa 

+ 6H2O 

CO2 

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(c) State one importance of photosynthesis in the balance of nature.

Nyatakan satu kepentingan fotosintesis dalam keseimbangan alam.

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

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

[ 1 mark / markah]

(d) Explain how the problem of air pollution can affect the rate of photosynthesis.

Terangkan bagaimana masalah pencemaran udara boleh memberi kesan kepada kadar 

 fotosintesis

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

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

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

[ 2 marks / markah]

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4 Diagram 4 shows a human forearm with a pair of antagonistic muscles K and L.

Rajah 4 menunjukkan lengan manusia dengan sepasang otot K dan L yang bersifat antagonistik .

Diagram/ Rajah 4

(a) (i) On Diagram 4, label structure P and Q.

Label struktur P dan Q pada Rajah 4. 

[ 2 marks / markah ]

(ii) State one function of Q.

Nyatakan satu fungsi Q.

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

[ 1 mark / markah]

(b) Describe how the characteristic of P is adapted for its function as stated in (a)(ii).

Huraikan bagaimana ciri P disesuaikan untuk menjalankan fungsi yang dinyatakan dalam (a) (ii).

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

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

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

[ 2 marks / markah ]

(c) What happen is tissue P is torn?

A pakah kesannya apabila tisu P terkoyak? 

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

[ 1 mark / markah]

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(d) Muscle K and L works in pairs to allow movement of the skeletal joints.

Otot K dan L merupakan pasangan otot yang membantu dalam pergerakan sendi.

(i) Name K and L.

Namakan K dan L.

K : ………………………………………………………………………………………………………… 

L: ………………………………………………………………………………………………………… 

[ 2 marks / markah ]

(ii) Explain how these muscle works together to bend the arm

Terangkan bagaimana otot ini berfungsi untuk membengkokkan tangan.

…………………………………………………………………………………………………………………………………. 

…………………………………………………………………………………………………………………………………. 

…………………………………………………………………………………………………………………………………. 

[ 2 marks/ markah]

(e) Draw structures K and L when the arm is straightened.

Lukis struktur K dan L apabila lengan diluruskan. 

[ 2 marks/ markah]

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5 Diagram 5 shows the structure of a nephron.

Rajah 5 menunjukkan satu nefron 

Diagram 5/Rajah 5

(a) Explain the process that occurs at W.

Terangkan proses yang berlaku di W.

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

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

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

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

[3 marks/markah]

(b) Certain substances such as plasma protein and erythrocyte are absent in T.

Explain why?

Sesetengah bahan seperti protein plasma dan eritrosit tiada di T.

Terangkan mengapa? 

…………………………………………………………………………………………………………………………………………… 

[1 marks/markah]

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(c) Table 5(a) and table 5(b) shows the filtrate content in R and S between two different

patients.

 Jadual 5(a) dan 5(b) menunjukkan kandungan hasil turasan antara R dan S bagi dua

 pesakit yang berbeza 

Patient/pesakit A Patient/pesakit B

Filtrate content

Kandungan hasil 

turasan

Concentration of 

filtrate content(%)

Kepekatan

kandungn hasil 

turasan

Filtrate content

Kandungan hasil 

turasan

Concentration

filtrate content(%)

Kepekatan

kandungan hasil 

turasan

R S R S

Glucose/glukosa 0.1 0 Glucose/glukosa 0.10 13.00

Amino Acid/asid 

amino 

8.0 20.0 Amino Acid/asid 

amino 

0.05 0.00

Water/air  90.0 95.0 Water/air  70.0 98.0

Mineral salt/garam 1.87 2.65 Mineral

salt/garam 

0.72 1.50

Urea/urea 0.03 2.00 Urea/urea 0.03 2.00

(i) Based on the table , state the health condition of both patients.

Berdasarkan jadual, nyatakan keadaan kesihatan antara kedua-dua pesakit.

Patient / pesakit A :

……………………………………………………………………………………………………………………………………….. 

Patient / pesakit B:

………………………………………………………………………………………………………………………………………… 

[2 marks/markah]

(ii) Based on the answer on (c)(i), give your reason.

Berdasarkan kepada jawapan di (c)(i), berikan alasan anda.

…………………………………………………………………………………………………………………………………………… 

…………………………………………………………………………………………………………………………………………… 

…………………………………………………………………………………………………………………………………………… 

[2 marks/markah]

Table 5 (a)

 Jadual 5(a)

Table 5(b)

 Jadual 5(b)

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(iii) Based to table 5(a), explain why there is a difference in the concentration of urea between

R and S 

Merujuk kepada jadual 5(a),terangkan mengapa terdapat perbezaan kepekatan urea di 

antara R dan S

…………………………………………………………………………………………………………………………………………. 

…………………………………………………………………………………………………………………………………………. 

………………………………………………………………………………………………………………………………………… 

[2 marks/markah]

(d) Patient B is addicted to coffee. Coffee contains the drugs caffeine which inhibits the

release of ADH.Decribe briefly the effect of drinking coffee on the volume and concentration of urine

produced.

Pesakit B ketagih dengan minuman kopi. Kopi mengandungi dadah kafein yang merencat 

 perembesan ADH.

Huraikan dengan ringkas kesan meminum kopi ke atas isipadu dan kepekatan air kencing

yang dihasilkan

…………………………………………………………………………………………………………………………………………… 

…………………………………………………………………………………………………………………………………………… 

…………………………………………………………………………………………………………………………………………… 

[2 marks/markah]

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Section B

Bahagian B

[40 marks]

[40 markah]

Answer any two questions from this section.

 Jawab mana-mana dua soalan daripada bahagian ini.

6 (a) Diagram 6.1 shows the growth process of a plant.

Rajah 6.1 menunjukkan proses pertumbuhan pada tumbuhan

Diagram 6.1 / Rajah 6.1 

Base on the diagram 6.1, describe the process briefly.

Berdasarkan Rajah 6.1, terangkan proses ini secara ringkas.

[4 marks/ markah]

(b) Diagram 6.2 shows the stages of secondary growth in a dicotyledonous stem.

Rajah 6.2 menunjukkan peringkat pertumbuhan sekunder di dalam batang dikotiledon.

K L M N

Diagram 6.2 /Rajah 6.2 

(i) Describe the stages and the processes of secondary growth in a dicotyledonous stem.

Huraikan peringkat dan proses pertumbuhan sekunder dalam batang dikotiledon 

[8 marks/markah]

(ii) What are the advantageous for plants to undergo secondary growth?

Discuss the importance of secondary growth.

 Apakah kebaikan untuk tumbuhan mengalami pertumbuhan sekunder? Bincangkan

kepentingan pertumbuhan sekunder.

[8 marks/markah]

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7. Diagram 7.1 shows the blood group of a married couple and their offspring.

The couple has three boys and one girl but all of them have different types of blood group.

Rajah 7.1 menunjukkan jenis kumpulan darah bagi satu keluarga. Pasangan tersebut 

mempunyai tiga anak lelaki dan seorang anak perempuan dengan kumpulan darah yang berbeza. 

P Q R S

Diagram 7.1

Rajah 7.1

(a) State the alleles that determine the ABO blood group.

Nyatakan alel-alel yang menentukan kumpulan darah ABO.

[ 2 marks / markah]

(b) Based on Mendel’s First Law , with the help of Punnet square schematic diagram , explain

why the blood of each member in the family is different

Berdasarkan Hukum Mendel yang pertama dan dengan bantuan rajah segiempat Punnet,

terangkan kenapa setiap ahli dalam keluarga tersebut mempunyai jenis darah yang berbeza.

[ 4 marks / markah]

(c) Male offspring P lost plenty of blood during an accident. He needs to replace the blood lost.

Explain why her parents are not suitable donors to offspring P.

 Anak lelaki P kehilangan banyak darah dalam satu kemalangan. Beliau perlu menggantikan

darah yang hilang.

Terangkan mengapa ibubapanya bukan penderma yang sesuai kepada anak P.

[ 4 marks / markah]

Father  Bapa

Mother Ibu

Blood

group A

Blood

group A

Blood

group ABBlood

group BBlood

group O

Blood

Group B

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(d) Colour blindness is a defect in which the person cannot distinguish red and green colours. It is

a sex-linked disease which can be inherited.

A normal man has a wife who is a carrier of colour blindness.

With the help of a schematic diagram, explain the possibility genetic combination

(phenotype) of their children to inherit colour blindness

Buta warna ialah satu kecacatan di mana seseorang itu tidak dapat membezakan warna

merah dan hijau. Ia merupakan penyakit gen terangkai seks yang boleh diwarisi.

Seorang lelaki normal mempunyai seorang isteri pembawa buta warna.

Dengan bantuan rajah skematik , terangkan kemungkinan kombinasi genetic (fenotip) untuk 

anak mereka mewarisi buta warna

[ 10 marks / markah]

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8 (a) Photosynthesis occurs in two stages which are the light reaction and dark reaction.

Describe the differences between the light reaction and dark reaction.

Fotosintesis berlaku dalam dua peringkat tindak balas cahaya dan tindak balas gelap.

Huraikan perbezaan antara tindak balas cahaya dan tindak balas gelap.

[ 4 marks/ markah]

(b) In countries with four seasons, plants are grown in greenhouses.

Diagram 8.1 shows plants grown in a greenhouse.

Dalam negara empat musim, tanaman ditanam di dalam rumah kaca.

Rajah 8.1 menunjukkan tanaman yang ditanam dalam rumah hijau

Diagram / Rajah 8.1

Based on the statement, explain how this method enable the continuous production of 

crops throughout the year.

Berdasarkan pernyataan ini, terangkan bagaimana kaedah ini membolehkan pengeluaran

hasil tanaman yang berterusan sepanjang tahun.

[ 6 marks/ markah]

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(c) Diagram 8.2 shows a few examples of processed food.

Rajah 8.2 menunjukkan beberapa contoh makanan diproses.

Diagram / Rajah 8.2

Discuss the good effects and bad effects of processed food in our daily life.

Bincangkan kesan-kesan baik dan buruk makanan diproses dalam kehidupan harian kita.

[ 10 marks/ markah]

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9 (a) A group of farmers planned to develop an agriculture farm nearby a lake.

Besides obtaining a high agriculture yield, they suggested that the area can also be made

into an eco-tourism centre. Details of their planning are listed as follow:

Sekumpulan peladang merancang membangunkan ladang pertanian berhampiran sebuah

tasik. Selain mendapatkan hasil pertanian, mereka bercadang untuk membangunkan satu pusat eco- perlancongan. Butir – butir perancangan mereka adalah seperti di bawah:

Based on the detail above, explain the effect on the lake if their planning is not managed

properly.

Berdasarkan maklumat di atas, terangkan kesan ke atas tasik ini akibat pengurusan yang

tidak terancang. 

[ 10 marks/ markah]

Type of plants / Jenis Tanaman : Strawberry and rose plant / Strawberi dan bunga ros.

Location/ Lokasi  : Near a natural lake/ Berhampiran tasik semulajadi. 

Type of fertilisers used: 

 Jenis baja yang digunakan:

Compost, lead nitrate salt, potassium nitrate, magnesium

nitrate and phosphate.

Baja kompos, garam nitrat, potasium nitrat, magnesium

nitrat dan fosfat.

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(b) Diagram 9 shows one phenomenon in the ecosystem due to an unplanned development.

Rajah 9 menunjukkan satu fenomena dalam ekosistem yang disebabkan oleh pembangunan

yang tidak terancang

Diagram /Rajah 9

(i) Based on the Diagram 9, name the phenomenon and explain how it occurs.

Berdasarkan Rajah 9 ,namakan fenomena dan terangkan bagaimana ia berlaku. 

[4 marks/markah]

(ii) Describe the effect s of the phenomenon on agriculture and aquatic ecosystem

Huraikan kesan fenomena tersebut ke atas pertanian dan ekosistem akuatik  

[6 marks/markah]

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