q_sci_2011

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51SOALAN ULANGKJI SPM 2011

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Science

Analysis[1511/1]

[1511/2]

CHAPER

2006 2007 2008 2009 2010

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1 Scienic Invesigaion - - - - - - - - - - - - - 1 - - - - - -2 Body Coordinaion 3 - 1 - 3 - 1 - 3 - 1 - 3 - 1 - 4 1 1 -3 Herediy and Variaion 4 1 - - 5 - - - 4 1 - - 3 - - 1 4 - - -4 Mater and Subsances 4 1 - - 5 1 - - 4 1 - - 4 - - - 4 - 1 -5 Energy and

Chemical Changes3 - - 1 3 - 1 - 3 - - 1 4 1 - - 3 - 1 -

6 Nuclear energy 2 - 1 - 2 - 1 - 2 - 1 - 2 - 1 - 4 - - -

7 Ligh, Sigh and Colour 5 - - 1 3 1 - - 5 - - 1 3 1 - - 3 - - 18 Chemicals In Indusry 2 - 1 - 2 - - 1 2 - 1 - 3 - 1 - 2 - - 19 Microorganisms and

Teir Eecs onLiving Ting

4 1 - - 5 1 - - 4 1 - - 5 - - 1 5 - - -

10 Nuriion 5 - - - 2 - 1 - 5 - - - 4 - - - 4 - 1 -11 Perservaion and

Conservaion o heEnvironmen

4 - - - 2 - - - 4 - - - 4 - - - 2 - - 1

12 Carbon Compound 3 - 1 - 4 1 - - 3 - 1 - 3 1 - - 3 2 - -13 Moion 4 1 - - 5 - 1 - 4 1 - - 5 - - 1 5 1 - -

14 Food echnology andProducion 2 - - 1 4 - - 1 2 - - 1 2 - 1 - 2 - - -

15 Synheic Maerials inIndusry

3 - - - 3 - - - 3 - - - 2 - 1 - 2 - - -

16 Elecronics andInormaion andCommunicaionechnology (IC)

2 - 1 - 2 - - 1 2 - 1 - 3 - - - 3 - 1 -

OAL 50 4 5 3 50 4 5 3 50 4 5 3 50 4 5 3 50 4 5 3

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52 SOALAN ULANGKJI SPM 2011

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Science Paper 1 [1511/1]

Tis quesion paper consiss o 50 quesions. Each quesion is ollowed by our opions A, B, C and D. Choose one correc answeror each quesion. Answer all he quesions.

5 How many chromosomes can be ound in he nucleus o achild’s cheek cell who suers rom Down’s Syndrome ?

A 45B 46C 47D 48

6 Diagram 2 shows he ormaion o a emale zygoe.

+ →

Diagram 2

Which o he ollowing chromosomes can be ound in hesperm, ovum and emale zygoe ?

Sperm Ovum Female Zygote

A 22 + Y 22 + X 22 + XY B 22 + X 22 + X 22 + XX C 22 + X 22 + X 44 + XX

D 44 + X 44 + X 44 + XX

7 Diagram 3 shows he inheriance o ower colour o a plan. P is he dominan gene or purple ower while p is herecessive gene or whie ower.

Purple ower Whie ower

Gamee P p p p

Ospring W X Y Z

Diagram 3

Which ospring has purple ower ?

A W only B X only

C W and Z only D X and Y only

1 Diagram 1 shows he srucure o he human brain.

Diagram 1

Which o he ollowing pars o he brain can conrol acionslike breahing, ood digesion and hearbea ?

A K B LC MD N

2 Which o he ollowing endocrine glands will be aeced i aperson consumed a lack o iodine in his die ?

A esis

B PancreasC Adrenal glandD Tyroid gland

3 Which o he ollowing comparisons is rue abou hecoordinaion beween nervous sysem and endocrine sysem ?

Nervous sysem Endocrine sysem A Consis o nerves Consis o blood cells

BLeaves long-erm eecs inhe body

Leaves shor-erm eecsin he body

C Has coninuous response Has immediae responseD Aecs specic arge areas

Aecs non specic argeareas

4 Which o he ollowing is rue abou sex deerminaion ?

A When an ovum is erilised by a sperm which carrieshe X chromosome, i wil l produce a emale zygoe.

B When an ovum is erilised by a sperm which carrieshe XY chromosomes, i will produce a male zygoe.

C Te sex o a child is deermined by he ype o sex

chromosome carried by he ovum.D Te sex o a child is deermined by he number o chromosomes in a sperm.

K

LM

N

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8 Diagram 4 shows he locaions o elemens P, Q, R and S inhe Periodic able.

Diagram 4

Which elemen is he mos reacive ?

A PB Q C R D S

9 Te ollowing inormaion shows he properies o some

elemens.W : ransiion elemenX : MealY : HalogenZ : Noble gas

Which o he ollowing shows he possible locaions o heelemens in he periodic able ?

A

B

C

D

10 Diagram 5 shows he physical changes in he sae o a mater.

Diagram 5

Which o he ollowing processes involve he absorpion o hea energy ?

A P, R, UB Q, S, C P, S, D Q, R, U

11 Aom Y has 18 neurons and is nucleon number is 35. Wha

is he proon number or aom Y?

A 17B 18C 35D 52

12 Which o he ollowing is rue abou he characerisics o achemical change ?

A Te producs ormed have he same mass as he reacans.

B Te producs have he dieren chemical properies romhe reacans.C Te chemical change is reversible.D Energy is usually required in he reacion.

13 Diagram 4 shows he apparaus se up o an experimen.

Diagram 4

Wha is he uncion o poassium manganae(VII) crysalsin his experimen ?

A o speed up he reacion o mealB o supply oxygen o reac wih mealC o absorb moisure in he boiling ube

D o remove all he air in he boiling ube

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14 Which o he ollowing is he bes way o sore phoographicpaper ?

A Sored in a black bagB Sored in a glass conainerC Sored in a ransparency bagD Sored in a plasic conainer

15 Diagram 5 shows a reacion beween calcium and waer oproduce a colourless gas.

Diagram 5Te gas produced is

A urns limewaer ino cloudy B produces a ‘pop’ sound when esed wih a lighed

wooden splinerC rekindles a glowing wooden splinerD urns red limus paper ino blue

16 Which o he ollowing is a radioacive subsance ?

A SodiumB UraniumC HydrogenD Carbon-12

17 Diagram 6 shows he deecion o radioacive rays X, Y andZ in an elecrical eld.

Diagram 6

Wha are represened by X, Y and Z ?

X Y Z A Alpha ray Bea ray Gamma ray B Alpha ray Gamma ray Bea ray C Gamma ray Alpha ray Bea ray D Bea ray Gamma ray Alpha ray

18 Why is gamma radiaion suiable o be used o serilise ood ?

A I can enhance he avour o ood.B I can kill all he baceria and ungi in ood.C I can cause muaion o he microorganisms.D I can change he chemical composiion o ood.

19 A suden has hree coloured lers, X, Y and Z. When X, Y andZ overlap each oher, dieren colours are ormed on he screen.

Ligh mixure Colour ormed

X +Y Magena

X +Z Cyan

X +Y + Z Whie

Which o he ollowing represens X, Y and Z ?

X Y ZA Blue Red Green

B Blue Green RedC Red Blue GreenD Green Red Blue

20 Te ollowing inormaion shows he characerisics o animage ormed by maerial X.

•Virtual •Upright •Diminished

Wha is maerial X ?A Plane mirrorB ScreenC Concave lensD Convex lens

21 Diagram 7 shows an objec is placed a dieren posiions inron o a convex lens. A which posiions marked A , B, C orD, will he size o image ormed be smaller han he objec ?

Diagram 7

22 How do he mixing coloured pigmens dier rom headdiion o coloured lighs ?

A Is colour is pure.B Te principle used in mixing coloured pigmen is

subracion o colour.C I produces whie colour when hree primary colours

mixed ogeher.D Te primary colours o pigmens are green, red and blue.

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23 Which o he ollowing is he main meal used o orm seel ?

A AluminiumB CopperC CarbonD Iron

24 Diagram 8 shows an experimen o sudy he hardness o brass, copper, aluminium and in.

Diagram 8

When a weigh is dropped ono he meal block, which meal block could have he smalles diameer o den ?

A inB BrassC CopperD Aluminium

25 Te ollowing inormaion shows a process which occurs when a glucose soluion is added wih yeas.

Wha is his process called ?

A DisillaionB DecomposiionC EsericaionD Fermenaion

26 Which o he ollowing diseases can be reaed by usinganiserum injecion ?

A MalariaB uberculosisC eanusD Cholera

27 Which o he ollowing disease can be spread hrough a vecor ?

A Common coldB Malaria

C Chickenpox D Mumps

28 An individual can acquire an aricial acive immuniy i he

A has been cured rom a diseaseB receives an injecion o a vaccineC drinks his moher’s milk D receives an injecion o aniserums

29 Which o he ollowing is an eecive mehod o desroy baceria spores ?

A BoilingB HeaingC AnisepicsD Auoclaving

30 Diagram 9 shows a ype o baceria ound on he roonodules o a plan.

Diagram 9

Which o he ollowing saemens is correc ?

A Te baceria are known as niriying baceria.

B Te baceria will desroy he roos o plan.C Te baceria mosly live in he roo nodules o leguminous plans such as pea plans.

D Te baceria conver nirogen gas ino niriecompounds which are needed by plans.

31 Diagram 10 shows a man who lives in a cold place.

Diagram 10

Why does he need o ea more ood conaining a?

A o replace he hea losB o increase he rae o respiraionC o build more new cells and adipose issues

D o produce more energy o mainain heir body emperaure

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32 able 1 shows he caloric values o hree ypes o ood.

Food Caloic value per 100 g/kJ per 100 g

Egg 650

Chicken 590

Noodles 1512

able 1A man consumes 250 g noodles, 120 g chicken and 150 gegg or his lunch meal. Wha is he caloric value o he oodconsumed?

A 2 752 kJB 3 272 kJC 4 770 kJD 5 463 kJ

33 Which o he ollowing gases causes acid rain ?

A AmmoniaB Carbon dioxideC Carbon monoxideD Sulphur dioxide

34 Which is an eecive mehod o preven soil erosion?

A Cu down reesB Plan cover cropsC Consruc new buildingsD Build new road

35 Te ollowing inormaion shows some human aciviies. •Logging •Mining •Clearingforest •Fishing

Wha is he common eec o he aciviies shown above?

A Causes air polluionB Causes he hinning o he ozone layerC Desroys he habias o ora and aunaD Treaens he human healh

36 Diagram 11 show he picure o he ozone layer.

Diagram 11

Wha is he uncion o he ozone layer ?

A Reduces excess hea rom reaching he EarhB Reecs he sun rays o he Sun back ino spaceC Absorbs hea rom he Sun o avoid greenhouse eecD Proecs living organisms rom ulraviole rays o he Sun

37 Te ollowing word equaion shows he reacion beweenaty acid and poassium hydroxide soluion o produce soap.

Process X

Faty acid + sodium hydroxide soluion soap + waer

Wha is process X ?

A Serilisaion

B EsericaionC SaponicaionD Polymerisaion

38 Which o he ollowing vehicles conains he highes moionineria?

A A moving bicycleB A moving rockeC A moving lorry D A moving ship

39 Which o he ollowing shows he dierence beween

sauraed as and unsauraed as correcly ?

40 Diagram 12 shows some applicaions used in our daily lie.

Diagram 12

Wha is he operaional principle used in hese applicaions?

A Principle o conservaion o momenumB Archimedes’ principleC Pascal’s principleD Ineria

41 Diagram 13 shows a helicoper.

Diagram 13

Wha is he uncion o par X ?

A o enable he helicoper o move upwardsB o sabilise he helicoper during he ighC o minimise he graviaional orce acing on he

helicoper

D o overcome he air resisance ha resiss hemovemen o helicoper

X

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42 Diagram 14 shows a hydraulic sysem.

Diagram 14

Wha is he weigh o he load can be raised by his sysem ?

A 8 NB 12.5 NC 20 ND 32 N

43 Aisyah is sen o a hospial afer she consumed he ood which has expired more han one week. Wha is mosprobably suered by Aisyah ?

A AshmaB HeadacheC DiarrheaD Liver damage

44 A che adds monosodium gluamae o ood when heprepares he dishes. Wha is he uncion o monosodiumgluamae ?

A o sweeen ood

B o add colour o oodC o improve he ase o oodD o preven oxidaion in ood

45 Diagram 15 shows wo mehods o processing ood.

P Q

Diagram 15

Wha is he disadvanage o mehod P compared o mehod Q ?

A I can keep he ood or a shor period o ime.B I spoils he ase and colour o ood.C I can be only used in limied ood.D I desroys ood nuriens.

46 Mrs Elizabeh bough sh and mea rom he marke and she waned o keep hem or one week. Wha is he mos suiablemehod which can be used o mainain he reshness o hesh and mea ?

A CoolingB FreezingC DehydraionD Paseurisaion

47 Diagram 16 shows he srucure o a ype o plasic.

Diagram 16

Which o he ollowing has his above srucure ?

A Epoxy B BakelieC MelamineD Polyvinyl chloride

48 Te ollowing inormaion shows hree ypes o plasics.

•Polystyrene •Polyvinylchloride •Polythene

Wha is he similariy beween he above plasics ?

A Tey do no dissolve in organic solvens.B Tey can be sreched easily.C Tey canno be burn easily.D Tey are resisan o hea.

49 Diagram 17 shows a symbol o elecronic componen.

Diagram 17

Wha is his elecronic componen ?

A Diode

B ResisorC CapaciorD ransisor

50 Which o he ollowing y pes o saellies can deec and drafmap o show he locaion o peroleum source ?

A Miliary saellieB Navigaional saellieC Earh surveyor saelliD Weaher orecas saellie

END OF QUESION PAPER

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(a) Complee able 3 by marking ‘√ ’ a hose Peri dishes ha show he presence o bacerial colonies a he endo he experimen. [1 mark]

(b) Wha observaion can be seen on he nurien agar o indicae he presence o baceria?_____________________________________________________________________ [1 mark]

(c) Wha acor o be sudied in he experimen?_____________________________________________________________________ [1 mark]

(d) Sae he hypohesis in his experimen._______________________________________________________________________ [1 mark]

(e) Wha inerence can be made rom his experimen?

_____________________________________________________________________ _____________________________________________________________________ [1 mark]

4 Diagram 4 shows an experimen o sudy he relaionship beween orce and pressure.

Diagram 4

Te disance o compressed sponge is recorded in he able 4.

able 4

(a) Wha is he relaionship beween weigh mass and he disance o compression?_____________________________________________________________________ [1 mark]

(b) Sae he variables in his experimen.

(i) Manipulaed variable:_____________________________________________________________________ [1 mark]

(ii) Responding variable:_____________________________________________________________________ [1 mark]

(c) Predic wha will happen o he disance o compression i he weigh is replaced wih same mass bu smaller surace area._____________________________________________________________________ _____________________________________________________________________ [1 mark]

(d) Sae he operaional deniion o pressure.______________________________________________________________________ ______________________________________________________________________

Sponge

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Secion B[30 marks]

Answer all he quesions in his secion.

5 Diagram 5 shows a male endocrine sysem.

Diagram 5(a) (i) Wha is gland P?

_____________________________________________________________________ [1 mark]

(ii) Name one uncion o he hormone secreed by gland P._____________________________________________________________________ [2 marks]

(b) (i) Name gland Q._____________________________________________________________________ [1 mark]

(ii) Sae one condiion i a person undergoes he removal o gland Q._____________________________________________________________________ [1 mark]

(c) Where does hormones produced by glands P and Q secreed ino?_____________________________________________________________________ [1 mark]

6 Diagram 6 shows a warning symbol on a conainer o a subsance.

P

Q

(a) Wha ype o subsances can be represened wih his warning symbol?__________________________________________________ [1 mark]

(b) Why is i imporan o have his warning symbol a places ha sore he subsances in (a)?

__________________________________________________ [1 mark]

(c) Give wo examples o subsances which have his warning symbol. __________________________________________________ [2 marks]

(d) Sugges a saey measure should be aken when handling his ype o subsances.__________________________________________________ [1 mark]

(e) Wha is he adverse eec o he subsances on he healh o a person i heexposed o he subsances over a shor period?__________________________________________________ __________________________________________________ [1 mark]

Diagram 6

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7 Diagram 7 shows a process in alloying.

Pure meal Alloy

Diagram 7

(a) Give one bene rom he above process.___________________________________________________________________ [1 mark]

(b) (i) Why is a pure meal sof and no srong?___________________________________________________________________ ___________________________________________________________________ [1 mark]

(ii) How can alloying change he properies o he pure meal in (b)(i)?___________________________________________________________________ ___________________________________________________________________ [1 mark]

(c) Pewer is a ype o alloy.

(i) Name he composiion o pewer.___________________________________________________________________ [1 mark]

(ii) Sae he properies o pewer.___________________________________________________________________ [1 mark]

(iii) Sae one use o pewer.___________________________________________________________________ [1 mark]

8 Diagram 8.1 shows he srucure o an oil palm rui.

Diagram 8.1

(a) Name he srucures labelled U and V in he boxes provided in Diagram 8.1U : _________________________________________________________________ V : _________________________________________________________________ [2 marks]

(b) Which par o he oil palm rui produces he high qualiy oil?___________________________________________________________________ [1 mark]

V

U

kernel

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Secion C[20 marks]

Answer Quesion 10 and eiher Quesion 11 or Quesion 12.

10 Sudy he ollowing saemen.

Magnesium and copper show dieren reaciviy when reacing wih dilue acid

You are given magnesium ribbon, copper lings and dilue hydrochloric acid.

(a) Sugges a hypohesis o invesigae he above saemen. [1 mark](b) Describe an experimen o es your hypohesis in (a) based on he ollowing crieria.

(i) Aim o he experimen [1 mark](ii) Idenicaion o variables [2 marks](iii) Lis o apparaus and maerials [1 mark](iv) Procedure or mehod [4 marks](v) abulaion o daa [1 mark]

11 (a) Sae wo dierences beween he ollowing mehods o serilisaion.(i) Boiling and auoclaving(ii) Anisepics and disinecans [4 marks]

(b) Diagram 11 shows hree diseases ha can be prevened by injecing suiable vaccines.

Diagram 11

Sudy he above diseases. You are required o develop a concep o a vaccine.

You answer should be based on he ollowing aspecs: •Identifytwocommoncharacteristicsofavaccine • Developaninitialconceptofavaccine

•Giveoneexampleofadiseasewhichcanbepreventedthroughvaccinationandonewhichcannotprevened hrough vaccinaion

•Giveoneexampleofavaccine [6marks]

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