egeri Sembilan SPM Trial 2011 Science (w Ans)
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PEPERIKSAAN PERCUBAAJ{ SPM 2011
' sAil{s x51x
SKEMA PEMARKAI{ANKERTAS 1
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MARK SCHEME SCIEPERATARAN PEMARKAHA
NOMBfSR JAWAPAN1 {A,2 c
B
4R D
6 c7 B
Io A10 A11 c12 B'13 D
14 D
15 D
16 B
17
18 D
19 A2021 c22 D
23 B24 c25 D
NOMBOR JAWAPAN20 c27 A28 D29 D30 B31
32 t-33 B34 D35 A36 D.)', c.38 B39 B
40 c41 A
42 c4344 A45 D46 B47 D
4849 A50
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PEPERIK AAN PERCUBAAI{ SPM 2OIT
SATNS 1511
SKEMA PEMARKAI{ANKERTAS 2
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N,{,ARKING SCHEMESCIENCE SPh TR{.A[, 28tr tr Fapen 2
Question Marking Criteria h4ark I[4arks
i (a)
(bx;)
(bxii)
.Able t@ stoie tke votrwue of oxyge gfis collecledAnswer: 14,Able to circle tke gtuph wleicls shows tke higher rate afpltatos!tutfuesisAnsu'er : Any mark on the graph with x = 25 cm
,4bte tet efuaw *notleer graple witfr x = 35 c*aAnswer : Graph X : 35sm is between Graph X : 25em and X : 50 ern
X=50cm
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2
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,3
Ahle ta camplere D am 2.1Ayrswer :
Able to weaswre tke ittxage distance, DAnswer :6.2 cm
Able to state lhe hctual tiwreAnswer :
8.05
Able ta stste ofie chalacteristic af image formed.Answer :Laterally inverted
Able to mark ) the optica! iffistrumepEt !ka/ uses pkEneymirror
Answer :
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Question Mark scheme Submark
Totalmark
3 (a) ,4ble to draw the graphAnswer
Note: Point transfer (5 to 6 points correct) :2 marks(3 to 4points correct) : 1 mark
Smooth graph, smooth slope : 1 mark30) Able to state the relationship between the sile of bacterial colony
a.nd time.AnswerAs the time increases, the size ofbacteria colony also increases
3(c) Able to predict the size ofbacterial colanies produced onthe 6'oda1tAlsWer21 or 22
Total
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Question Mark scheme Submark
Totalmark
observetion:
The time taken for the empty tin to stop oscillate isfaster than 1l're tin filled with sand.he time taken for the tin filled with sand to stopscillate is longer than the empty tin.
e inferenceans\vers :
Because ernpiy tin has smaller inertiaBecause tin filled q/ith sand has larser inertia
stanl varicb\e:
Length of the ropeSize of tinFolce
anding variahle
Tin're taken for the tin to stop oscillateInertia
diagram wkich skows the cancept of inertia
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Total
2
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.6Malk:;cheme
Able lo name the glandAnswer :P: Thyroid gland R:Pancreas
,4ble to state the hormoneAnswer :Insulin
Able to state the futtction of hormoneSample answets :
1. To control the development of f'emale secondarysexual charactetistics
2. To control the production of ovum3. Control the menstrual cycle
Able lo state the glandSample anryrcrs l
1.Q2. Adrenal gland
Able lo slate the tJ)pe of actionAnswer :Voluntary action
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Question Mark scheme Submark
Totalmark
6(a)
(b)(D
(bxii)
(c)
(d)
Able lo name parlicle I'Answer :Neutron
Able to name radiatian KSa4plq3nstryg$ ,I . Alpha ray2. Beta ray3. Gamma ray
Able to state the futtctian of radiation in diagram 6'2Sample answers :1 Sterilization of surgical tools2. Detect blockage in the blood vessel
AbIe lo state lhe fwnclion afradiation in diagram 6.2(b)Answer :1. Detect the age offossils
Able to stale tke ,nethad ta detect radiation KSample answers :I . Geiger-Muller counter2. G-M counter3. Photographic badge
Able to state the effect ovt human beings if exposed toradiation K
Sample answers :l. Vomiting2. Dianhea3. Mutation4. Skin cancer
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Total
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Question Mark scheme Sub mark Totalmark
7(a)
(bXD
(ii)
(iiD
(c)
7(d)
Able to state what is lransferred from one organism lo lheolher in a food webAnswerEnergy
Able lo idenlify producerAnswerPaddy plant
,4ble ro idenlif), primary consumerSamplg_44qvglg1. Small bird2. Grasshopper3. Rat
Abtre lo idehlifJ) secondcry consumetS amplg_44r!'elq ,-1. Small bird2. Snake3. Eagle
Able to write afood chainSample answers
1. Paddy plant ---+ Small bird ---+ Eagle
2. Paddy plant--+ Small bird -*
Snake ---+ Eagle
3. Paddy plant -+ Grasshopper --+ Srnall bird
Eagle
4. Paddy plant-* Grasshopper--+ Small birdI
Eagle {- Sn&e5. Paddy plant-+ Rat ---+ Snake ---> Eagle
6. PadCy plant --> Rat --+ Eagle
AbIe to state what wculd happen to the population ofsnakesif all tlte eagle were killedAnswerPopulalion of snake increases
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IQuestion h4ark scheme Sub mark Totalmark
8(a)
(b)
(c)
(d)
(e)
(r)
,4ble to mame the white precipitute
Vitamin A Vitamin C Vitamin E./ Total
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6
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Question Mark scheme Sub mark Totalmark
9(a) Able to draw lhe sltmbol af a diodeAnswer :
(bXD Able lo name component ZArDwgL:Transformer
(c)(ii) I Able to state the energ) changes in c(i1I Answer :I Electrical energy -------$ Sound energy
2
(d) Able to rircle the type ol waveAnswer :
Modulated waveGelombang \l Ligbtwave lSoundwavetermodulast / Gelonbang cahaya Celombang bunyi
Total
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Question Mark scheme Sub mark Totalmark
r 0(a)
(b)
Able ta relate tke manipul*ted variable witk the respondingvtt bleSampjg_arutyeru
1.If ammonium chloride reacts with distilled water, energy isabsorbed// If ammonium chloride is added to distilled water, energy isabsorbed
2. If sodium hydroxide reacts 14'ith water, energy is released// If sodium hydroxide is added to distilled water, energy isreleased
3. Reaction between sodium hydroxide and distilled watercauses an increase of temp eralure /l rcaclion betweenammonium chlqride and distilled waier causes a decrease intemperature
(i) Able to state tke aim of experiment(ll) ,4ble to stete any lwo variables(iii) .4ble to list all apparatus and materials(iv1 Able to list al least four steps for method of
eriqTtent(v) Abtre ta co?tstrwct a table wlcich consists af rnanipwlated
veriable and responding variable
Sample_a4rwqq
Aim of experirnerat
1 . To study the type of reaction when ammonium chlorideor sodium hydroxide react with distilled rryater
2. To study whether energy is absorbed or released whenamtnonium chloride or sodium hydroxide react withdistilled water
Manipulated variab!e
i. Ammonium chloride and sodium hydroxide2. Type ofsubstance added to distilled vrater
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1
21
4,|
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9
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Responding variable
1. Energy absorbed or released2. Final reading of temperatureConstant variahle
1. Volume of distilled water2, Mass ofsubstances added to distilled water3. initial temperature ofdistilled water.Apparatus and materials
l. Ammonium cirloride2. Sodium hydroxide3. Distilled water4. Spatula5. Thermometel6. Beaker / coniainer / test tubeProcedure
1. Pour distilled water into two beakers/test tubes/anycontainer.Label the beakers/ test tube P and Q.Record the initial temperature of distilled water in bothbeakers/ test tr,rbes/any container.Add ammonium chloride in one beaker/test tube/ beakerP and sodium hydroxide in the other beaker/ test tube/beaker QStir the solutionRecord the final temperature ofthe solution.
Tabulation of data
Beaker/Test tube
Substancesadded
Final ternperature ( C)
P Sodiumhvdroxide
o Ammoniumchloride
2.3.
5.6.
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Question Mark seheme Submark
Totalmark
11(a)
(b)
,Abtre lo sdate fowr differences fsetweew cantinaaas vafiation anddis c ontin uo us v adat io Pe
Able to state lwo cornwralt characlerislicsSempJe-auw9r91. Shows obvious characteristics
2. Influenced by genetie factor3. Can be inherited
,4ble to state initiel canceptAnswers
The variation which shows obvious characteristics andinfluenced by genetic factor is discontinuous variation.
Able to stule otker example antl non exampleOther example :Eaqplc-aalwqstr. Sex 2. blood groupIJon example :
le answers1. Weight 2. Haight 3. Skin colour
,/Able lo st&te ectuel conceptAnswersDiscontinuous variation is a variation which shows obviouscharacteristios and influenced by genetic factor.
Continuous variation Discontinuous variation1 Do not show obvious
characteristics1 Shows obvious
oharacteristics2 Influenced by genetic and
environmental factor2 Influenced by genetic
factor only3 Cannot tre inherited 3 Can be inherited4 The characteristics change
sradually4 The characteristics
Chanse distinctiveiy
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Total
4
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10
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Question Mark schenre Submark
Totalmark
12(a)
(b)
Able la state twa methods witk explanationSample answers1. Using mcdern technology
- introduce varieties of new machine to farmers to save timeand budget// introduce chemical fertiiizers and pesticides toincrease the quality and quantity offood production
2. IJsing quality breed- produce the better characteristics
3. Education and guidance for farmers- Guidance on the use of machines,/pesticides/ fertilizers- Education on breeding quality seeds
4. Research and development- Discover better breeds- Improve ways to control Fests- To produce belter fertilizcrs/ more effective pesticides
5. Efficient land minagement- Crop rotation- Use of compost/ fertilizers- Cover crop- Integrated farming
AbIe lo slatc aim of cltoiceAnswerTo choose the best palm fruir which produce rnore oil.
AbIe lo compnre belween the claaracteristics af the fruil.Sample answers
4
3
1
4
6
DURA TFNERAThicktebal
KemelIsirung
Thicktebal
Thicktebal
ShellTempurung
ThinnerLebih nipis
Thinnipis
Mesocarpsabut
Thicktebal
Bighesor
Sizesaiz
Bigbesar
LowRendah
Oil contentKandungan minyak
HightinEpi
Anv three
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Able to choose the besl frwit according to its abilily to prodwcennore oil.
Answer :Tenera
Able to stale one characteristic of lhe fruil that h{rve beenchosen and explain how it can incredse the prodaction of, oil.
Answer :Thicker mesocarp will produce more oil.
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1
Total 10
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[edu.joshuatly.com] Negeri Sembilan SPM Trial 2011 Sciencejawapan sains