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SEKOLAH MENENGAH KEBANGSAAN LA SALLE BRICKFIELDS (M) JALAN TUN SAMBANTAN, 50470 KUALA LUMPUR

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UJIAN INTERVENSI SPM 2014

SAINS / SCIENCE

FEBRUARI

2 JAM TINGKATAN 5

NAMA: ……………………………………………………………………TINGKATAN: ………………………………

DO NOT OPEN THIS TEST PAPER UNTIL YOU ARE TOLD TO DO SO

1 Answer all objective questions.

2 The diagrams in the questions provided are not drawn to scale unless stated.

3 You may use a non-programmable scientific calculator.

4 Answer all structure questions. Write your answers clearly in the space provided on the question paper.

PREPARED BY : CHECKED BY:

…………………………… ………………………(NURUL AWANIS BT YUSOFF) (GURU KANAN MATAPELAJARAN

SAINS & MATEMATIK)

SECTION A

1 What is the basic unit of the nervous system ?( Apakah unit asas bagi sistem saraf ?)

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1511

A axon (akson)

B neurone (neuron)

C dendrite ( dendrit )

D myelin sheath ( salut myelin )

2 Diagram shows a typical structure of a motor neurone.( Rajah menunjukkan struktur neuron motor )

Which of the following pairs is correct?( Antara pasangan berikut,manakah yang benar?)

Structure Function

A J Transmitting nerve impulses towards the cell body(menghantar impuls saraf ke arah badan sel)

B K Transmitting nerve impulses away from the cell body( menghantar impuls saraf keluar daripada badan sel )

C L Decreasing the rate of transmission of nerve impulses.( melambatkan perjalanan impuls saraf)

D M Releasing chemical substances to stimulate the motor system.( menghasilkan bahan kimia untuk merangsang system motor )

3 Diagram shows parts of human nervous system. Which part controls body balance ?

( Rajah menunjukkan bahagian-bahagian pada sistem saraf manusia. Bahagian manakah yang mengawal keseimbangan badan?)

2

A

B

C

D

Receptors brain efectors[ reseptor ] [ otak ] [ efektor ]

4 Diagram shows the flow of impulse.

Which of the following action is shown by the flow of impulse in diagram ( Manakah tindakan yang ditunjukkan oleh perjalanan impuls pada rajah )

A heartbeat (denyutan jantung )

B reading ( menbaca )

C vomiting ( muntah )

D sneezing ( bersin )

5 Diagram shows the position of the endocrine glands in the human body.(Rajah menunjukkan kedudukan kelenjar-kelenjar endokrin dalam tubuh manusia )Which of the glands labelled as A, B, C and D produces a hormone that controls the glucose level ?( Antara kelenjar berlabel A, B, C dan D, yang manakah menghasilkan hormone yang mengawal aras glukosa dalam darah?)

3

6 Which of the following results from increased secretion of adrenaline?( Antara berikut yang manakah merupakan kesan daripada pertambahan pengeluaran adrenalin?)

A. Decreased sweating( pengurangan berpeluh )

B. Decreased heart rate( pengurangan kadar denyutan jantung )

C. Decreased breathing rate( pengurangan kadar bernafas )

D Increased supply of glucose in the blood( pertambahan bekalan glukosa dalam darah )

7 Diagram shows the position of the endocrine glands in the human body.( Rajah menunjukkan kedudukan kelenjar-kelenjar endokrin dalam tubuh manusia )Which of the glands labelled as A, B, C and D produces a hormone that controls body growth ?( Antara kelenjar berlabel A, B, C dan D, yang manakah menghasilkan hormone yang mengawal pertumbuhan badan )

8 Diagram shows a stage of mitosis.(Rajah menunjukkan satu peringkat mitosis.)

4

Tt Tt

T tTt

Parents

(Induk)

Gametes

(Gamet)

Offspring

(Anak)

What will be the number of chromosomes in each daughter cell when the process of mitosis is complete?(Berapakah bilangan kromosom dalam setiap sel anak setelah proses mitosis selesai?)

A Two(dua)

B Three (Tiga)

C Six (Enam)

D Twelve (Dua belas)

9 In which part of the plant does meiosis occur?(Di bahagian tumbuhan yang manakah meiosis berlaku?)

A Petal (Ranggi)

B Anther (Anter)

C Root tip (Hujung akar)

D Shoot tip (Hujung pucuk)

10 Which of the following shows the chromosomes present in the female liver cells?(Antara berikut yang manakah menunjukkan kromosom yang hadir dalam sel hati wanita?)

A 22 + XB 22 + YC 44 + XXD 44 + XY

11 Diagram shows the inheritance of height in pea plants.(Rajah menunjukkan pewarisan ketinggian pada pokok kacang.)

5

22 + X

Parents

(Induk)

Gametes

(Gamet)

Offspring

(Anak)

44 + XY 44 + XX

Mother (Ibu)

P 22 + X

Q 44 + XX 44 + XY 44 + XY

Father (Bapa)

22 + X

What is the expected ratio of the cross?(Apakah nisbah yang mungkin bagi kacukan tersebut?)

A 1 tall : 1 dwarf (1 tinggi : 1 kerdil)

B 2 tall : 1 dwarf (2 tinggi : 1 kerdil)

C 1 tall : 3 dwarf (1 tinggi : 3 kerdil)

D 3 tall : 1 dwarf (3 tinggi : 1 kerdil)

12 The schematic diagram shows sex determination in human.(Rajah skema menunjukkan penentuan seks manusia.)

Which of the following are chromosomes found in P and Q?(Antara berikut manakah kromosom yang terdapat dalam P dan Q?)

P Q

A 22 + Y 44 + XY

6

Key

T – Tall dominant gene t – Dwarf recessive gene

B 22 + Y 44 + XX

C 22 + X 44 + XX

D 22 + X 44 + XY

13 Which of the following is true about non-identical twins?(Antara berikut yang manakah benar tentang kembar tak seiras?)

A Both foetuses share the same placenta.(Kedua-dua fetus berkongsi plasenta yang sama)

B They always have the same gender.(Jantina mereka sentiasa sama.)

C The zygote formed after fertilisation splits into two. (Zigot yang terhasil selepas proses persenyawaan membahagi dua.)

D Two ova are fertilized by two sperms.(Dua ovum disenyawakan oleh dua sperma.)

14 Diagram shows the chromosomes found in a baby skin cells.(Rajah menunjukkan kromosom yang terdapat dalam sel kulit seorang bayi.)

Which of the following genetic diseases is the baby suffering from?(Antara berikut manakah penyakit genetik yang dihidapi oleh bayi tersebut?)

A Down’s syndrome(Sindrom Down)

B Albinism (Albino)

C Colour blindness (Buta warna)

D Turner’s syndrome(Sindrom Turner)

15 Which of the following A, B, C or D, represents boiling process ? (Antara A, B, C dan D, yang manakah mewakili proses pendidihan ?)

7

16 Diagram shows the structure of atom X .( Rajah menunjukkan struktur atom X )

What is the proton number, the nucleon number and the number of electron ?( Apakah nombor proton, nombor nucleon dan bilangan electron )

Proton number Nucleon number The number of electron

A 3 3 4

B 3 4 3

C 4 10 3

D 3 7 3

17 The table shows sub-atoms of four elements.(Jadual menunjukkan sub-atom bagi empat unsur)

Elements Number of protons

Number of neutrons

Number of electrons

Nucleon number

P 6 6 6 12

Q 6 8 6 14

R 7 7 7 14

S 8 8 8 16

Which of the pairs are isotopes ?(Antara pasangan berikut yang manakah merupakan isotop?)A P and QB Q and RC R and SD Q and S

8

Electron

Proton

Keys

18 Diagram shows an incomplete Periodic Table.(Rajah menunjukkan Jadual Berkala yang tidak lengkap)

1 18

1 2 13 14 15 16 17

2

3 3 4 5 6 7 8 9 10 11 12

4 X

What is X ? (Apakah X?)

A Non-metal(Bukan logam)

B Noble gas(Gas Nadir)

C Transition element(Unsur peralihan)

D Metal(Logam)

19 Diagram shows that letter L is placed in front of a plane mirror.(Rajah menunjukkan huruf L yang diletakkan di hadapan cermin satah)

Which of the following shows the image formed at P ?(Manakah antara berikut menunjukkan imej yang terbentuk di P?)

C A

B D

9

PERI

OD

S GROUPS

P

Plane mirror (Cermin satah)

20 Diagram shows two flag posts M and N respectively at distances of 10 m and 4 m from a plane mirror.(Rajah menunjukkan dua dua bendera M dan N masing-masing pada jarak 10m dan 4m dari cermin satah)

What is the distance of the image of flag post M from the position of N?(Berapakah jarak antara imej bendera M dari kedudukan N?)

A 4 mB 10 mC 14 mD 20 m

SECTION B

1 Diagram 1 shows an experiment to study the effect of impurities on boiling point of distilled water.

10

Plane mirror(Cermin satah)

(Rajah 1 menunjukkan eksperimen untuk mengkaji kesan bendasing ke atas takat didih air suling)

The result of the experiment are recorded are in Table 1.(Keputusan ekperimen direkodkan dalam Jadual 1)

Substances(Bahan)

Boiling point/ 0 C(Takat didih / 0 C)

Distilled water(Air suling)

100

Distilled water + common salt(Air suling + garam biasa)

……………

(a) Based on the above experiment, what is the reading of the thermometer in Diagram 1 (Berdasarkan eksperimen di atas, apakah bacaan thermometer dalam Rajah 1?)

[1 mark] (b) State the variables in this experiment. (Nyatakan pembolehubah dalam eksperimen ini)

(i) Manipulated variable : ………………………………………………………… (Pembolehubah yang dimanipulasikan)

[1 mark] (ii) Responding variable : ………………………………………………………… (Pembolehubah yang bergerakbalas)

[1 mark]

(c) State one hypothesis for this experiment. (Nyatakan satu hipotesis dalam eksperimen ini)

…………………………………………………………………………………………………………………………………….. [2 mark]

(d) Distilled water is a pure liquid. State the operational definition for distilled water. (Air suling adalah air tulen. Nyatakan definisi secara operasi bagi air suling)

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TABLE 1

DIAGRAM 1

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

2 Diagram 2 shows an experiment to find the relationship between lens thickness and its image distance.(Rajah 2 menunjukkan eksperimen untuk mengkaji hubung kait antara ketebalan kanta dengan jarak imejnya)

DIAGRAM 2

An image of a distant object through lens KI is formed on a white screen. The screen is then adjusted so that a sharp image is formed. The experiment is repeated using lens K2 and K3 with different thickness. The image distance of each lens is recorded in Table 2.(Menggunakan satu objek jauh melalui K1, skrin dilaraskan supaya menghasilkan satu imej.Eksperimen itu diulang dengan menggunakan kanta K2 dan K3 yang mempunyai ketebalan berbeza.Jarak imej setiap kanta dicatatkan. Keputusan yang diperolehi seperti dalam Jadual 2.)

TABLE 2

(a) State one characteristic of the image observed.(Tuliskan satu pemerhatian sifat imej)

............................................................................................................................................... [1 mark]

(b) Measure and state the image distance of lens K1 in Table 2. (Ukur dan catat jarak imej bagi kanta K1 dalam Jadual 2) [1 mark]

(c) Based on Table 2, which of the lenses is the thinnest?(Berdasarkan Jadual 2, kanta manakah paling nipis?)

...............................................................................................................................................[1 mark]

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Lens(Kanta)

Image distance ( cm )(Jarak imej)

K1.......................................

K2 3.5K3 1.5

Distant Object(objek jauh)

Lens K1(Kanta K1)

White screen(Skrin putih)

Sharp image(Imej tajam)

(d) State the hypothesis for this experiment.(Nyatakan satu hipotesis dalam eksperimen itu)

...............................................................................................................................................[2 mark]

(e) What is the responding variable for this experiment.(Nyatakan satu pembolehubah yang bergerakbalas)

..............................................................................................................................................[1 mark]

3 Diagram 3 shows the pathway of impulse when a person steps on a sharp object.( Rajah 3 menunjukkan laluan impuls apabila seseorang terpijak objek tajam )

DIAGRAM 3

( a ) (i) Name the type of action shown above. ( Namakan jenis tindakan yang ditunjukkan di atas.)

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

(ii) Give the reason for your answer. ( Beri alasan bagi jawapan anda)

……………………………………………………………………………………………………………………………………….[2 mark]

(b) Name the part labelled .(Namakan bahagian berlabel )

(i) L

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(Saraf tunjang)(Saraf tunjang)

………………………………………………………………………………………………

(ii) M

………………………………………………………………………………………………[2 marks]

(c) State one another example for this action. ( Nyatakan satu contoh lain bagi tindakan ini. )

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

(d) Why is this action importance in a daily life.( Mengapakah tindakan ini penting dalam kehidupan seharian)

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

4 Diagram 4 shows the formation of twins.(Rajah 4 menunjukkan pembentukan anak kembar.)

(a) State the gender of baby Q and R in the box provided in Diagram 4.(Nyatakan jantina bayi Q dan R dalam kotak yang disediakan dalam Rajah 4)

[2 marks]

(b) What is process P? (Apakah proses P) ?

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

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Process P

Sperm (22 + Y)

Ovum Baby R (Bayi R)

……………………….

Baby Q (Bayi Q)

………………………

DIAGRAM 4

[1 mark](c) (i) State the type of twins shown in Diagram 4.

(Nyatakan jenis kembar yang ditunjukkan dalam Rajah 4)

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

(ii) Give one reason for your answer in (b)(i).(Berikan satu alasan bagi jawapan anda di (b)(i).)

…………………………………………………………………………………................................................[2 mark]

(d) What will happen if splitting of the zygote formed is not complete?(Apakah yang akan berlaku jika pembahagian zigot tidak lengkap?)

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

[1 mark]

5 (a) Name two parts of brain and state the main function of each part.Namakan dua bahagian otak serta nyatakan fungsi utama setiap bahagian.

[4 marks]

(b) Diagram 5 shows the functions of hormones secreted by endocrine glands.Rajah 5 menunjukkan fungsi hormon yang dihasilkan oleh kelenjar endokrin.

Study the functions of hormone in Diagram 5. Explain how you could derive a concept based on the information in the diagram .Kaji fungsi hormon tersebut. Terangkan bagaimana anda membina suatu konsep berdasarkan maklumat dalam Rajah 5.

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HORMONEHORMON

Promote the growth

of bones

Menggalakkan pertumbuhan

tulang rangka

Control physical and mental growth

Mengawal pertumbuhan

fizikal dan mental

Increase the rate of

heart beat

Meningkatkan kadar

denyutan jantung

Control the level of sugar in the blood

Mengawal aras gula

dalam darahDIAGRAM 5

RAJAH 5

Your explanation of the concept must be based on the followings:Penerangan anda tentang konsep itu hendaklah berdasarkan kepada perkara berikut:

Identify two common characteristics Kenal pasti dua ciri sepunya

Construct initial conceptMembina konsep awal

Give other examples and other examples in relation to the conceptMemberikan contoh lain dan bukan contoh yang berkaitan dengan konsep

Explain the actual conceptMenjelaskan konsep sebenar

[6 marks]

WRITE YOUR ANSWER.

SECTION A

1 11

2 12

3 13

4 14

5 15

6 16

7 17

8 18

9 19

10 20

16