SMK JALAN KOTA TINGGI

LATIH TUBI SAINS SPM ( SET 1 )NAMA PELAJAR : TINGKATAN :

DISEDIAKAN OLEH: ERVEZAN BINTI ISMAIL

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1

Diagram 1 shows a nervous pathway.Rajah menunjukkan satu laluan saraf.

Neuron deria Saraf tunjang Neuron motor Reseptor

Efektor

DIAGRAM 1RAJAH 1

Which of the following actions is involved in the above nervous pathway ?Antara tindakan berikut yang manakah terlibatkan dengan laluan saraf di atas?

A B C D

DancingMenari

ReadingMembaca

Knee jerkSentakan lutut

HeartbeatDenyutan jantung

2

The glucose content in a patients urine is more than the normal level. Which of the following endocrine glands is not functioning well?

Kandungan glukosa dalam air kencing seorang pesakit adalah lebih tinggi daripada aras normal. Antara yang berikut, kelenjar endokrin yang manakah gagal berfungsi?

A B C D

PituitaryPituitari

PancreasPankreas

ThyroidTiroid

TestisTestis

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3

Diagram 2 shows one of the receptor found in the human body.Rajah 2 menunjukkan satu daripada reseptor yang terdapat dalam badan manusia.

Reseptor regang

DIAGRAM 2RAJAH 2

In which of the following parts can this receptor be found?Antara bahagian berikut, di manakah reseptor ini boleh didapati?

A B C D

MuscleOtot

SkinKulit

NoseHidung

EyeMata

4

Which of part of the brain controls involuntary actions?Bahagian otak yang manakah mengawal tindakan luar kawal?

A B C D

CraniumKranium

CerebrumSerebrum

CerebellumSerebelum

Medulla oblongataMedula oblongata

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5

Which of the following is the heredity unit that carries genetic information?Antara yang berikut, yang manakah merupakan unit keturunan yang membawa maklumat genetik?

A B C D

GeneGen

GameteGamet

CytoplasmSitoplasma

ChromosomeKromosom

6

The process involved in the production of new cells for growth isProses yang terlibat dalam penghasilan sel-sel baru untuk pertumbuhan adalah

A B C D

MitosisMitosis

MeiosisMeiosis

MutationMutasi

FertilisationPersenyawaan

7

Which of the following cross-breeding will produce 75% of the first generation with tall characteristics ?Kacukan berikut yang manakah akan menghasilkan 75% generasi pertama dengan sifat tinggi?

A B C D

TT X tt TT X Tt Tt X Tt Tt X tt

8

Which of the following will result the formation of identical twins?Yang manakah antara berikut akan menghasilkan pembentukan kembar seiras?

A

C

B

D

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9

Which process represents condensation?Proses yang manakah mewakili kondensasi?

10 Based on Table 1, which elements are isotopes?Berdasarkan Jadual 1, unsur-unsur manakah merupakan isotop?

Element E G J L

Nucleon Number 12 13 14 16

Number of protons 6 6 7 8 TABLE 1JADUAL 1

Number of Neutrons 6 7 7 8

A B C D

E and G G and J J and L E and L

11 Based on the periodic table, which element represents an inert gas?Berdasarkan Jadual Berkala, unsur yang manakah mewakili gas nadir?

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12 Which of the following are examples of atomic substance and molecular substance?Antara berikut yang manakah contoh bahan atom dan bahan molekul?

Atomic substance A B C D IronBesi

Molecular substance graphitegrafik

OxygenOksigen

carbon dioxidekabon dioksida

AmmoniaAmmonia

diamondberlian

CopperKuprum

sodium chloridenatrium klorida

13 Which of the following is an example of a endothermic reaction?Antara berikut yang manakah contoh tindakbalas endotermik?

A B C D

Haber processProses Haber

Acid reacts with alkaliAsid bertindakbalas dengan alkali

Ammonium salt dissolve in waterGaram ammonium dilarutkan dalam air

Sodium hydroxide crystals dissolve in waterHablur natrium hidroksida larut dalam air

14 The following word equation shows a contact process.Persamaan perkataan berikut menunjukkan proses sentuh

Sulphur dioxide + X What is X ?Apakah X?

sulphur trioxide + heat

A B C D

OxygenOksigen

HydrogenHidrogen

AmmoniaAmonia

Carbon dioxideKarbon dioksida

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15 Diagram 3 shows a simple voltaic cell.Rajah 3 menunjukkan sebuah sel ringkas.

DIAGRAM 3RAJAH 3

The sequence of energy conversion isSusunan perubahan tenaga ialah

A B C D

electrical energytenaga elektrik

chemical energytenaga kimia tenaga elektrik

heat energy heat energytenaga haba tenaga cahaya

light energytenaga cahaya

tenaga haba

chemical energytenaga kimia

electrical energy chemical energytenaga kimia

light energytenaga cahaya

electrical energytenaga elektrik

light energy light energy

heat energytenaga haba

chemical energytenaga kimia

electrical energytenaga elektrik

heat energytenaga haba

tenaga cahaya

16 The penetration power of radioactive radiation in decreasing ordering order isKuasa penembusan sinaran radioaktif mengikut tertib menurun adalah A B C D

Alpha, beta, gammaAlfa, beta, gama

Beta, alpha, gammaBeta, alfa, gama

Gamma, beta, alphaGama, beta, alfa

Gamma, alpha, betaGama, alfa, beta

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17 Table 2 shows chemical cells and their uses.Jadual 2 menunjukkan sel kimia dan kegunaannya

Type of chemical cellJenis sel kimia

UseKegunaan

S T U TABLE 2JADUAL 2

Battery of watchBateri jam

Battery of torch lightBateri lampu suluh

Car batteryBateri kereta

Which of the following represents chemical cell S, T and U ?Antara berikut yang manakah menunjukkan sel kimia S, T dan U ?

S A B Dry cellSel kering

T Lead- acid accumulatorAkumulator asid-plumbum

U Nickel- cadmium batteryBateri nikel-kadmium

Alkaline batteryBateri alkali

Lead- acid accumulatorAkumulator asid-plumbum

Silver oxide- zinc cellBateri argentum oksida-zink

C

Silver oxide zinc cellBateri argentum oksidazink

Dry cellSel kering

Lead-acid accumulatorAkumulator asidplumbum

D

Lead- acid accumulatorAkumulator asid-plumbum

Alkaline batteryBateri alkali

Dry cellSel kering

18 Before grapes are exported, what radioactive ray is used to kill the microorganism that can cause spoilage of fruits?Sebelum anggur dieksport, apakah sinaran radioaktif yang digunakan untuk membunuh mikroorganisma yang menyebabkan buah rosak?

A B C D

Alpha radiationSinaran alfa

Beta radiationSinaran beta

Gamma radiationSinaran gamma

X raySinaran X

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19 Diagram 4 shows radioactive rays.Rajah 4 menunjukkan sinaran radioaktif.Bahan radioaktif Plat negatif

Plat positif

DIAGRAM 4RAJAH 4

Which of the following rays is the alpha ray?Manakah antara yang berikut merupakan sinaran alfa?

A B C D

P Q R P and R

20 What are the characteristics of image formed by a pinhole camera?Apakah ciri-ciri imej yang dibentuk oleh kamera lubang jarum? A B C D

Real, inverted and size smaller than objectNyata, songsang dan saiz kecil daripada objek

Real, inverted and size bigger than objectNyata, songsang dan saiz besar daripada objek

Virtual, upright and size smaller than objectMaya, tegak dan saiz kecil daripada objek

Virtual, inverted and size smaller than objectMaya, songsang dan saiz kecil daripada objek

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21 Diagram 5 shows nuclear fission of uranium.Rajah 5 menunjukkan pembelahan uranium.

Zarah P

Tenaga haba+ sinar radioactive+ atom baru+zarah P

DIAGRAM 5RAJAH 5

What is particle P?Apakah zarah P?

A B C D

ProtonProton

NeutronNeutron

ElectronElektron

AtomAtom

22 An object is held in front of a plane mirror as shown in diagram 6Objek diletakkan di hadapan cermin satah seperti ditunjukkan dalam rajah 6

Plain mirrorCermin satah Objek

DIAGRAM 6RAJAH 6

Which of the following shows the image formed?Manakah yang m