Jawapan Science Trial Pmr 2009 Perak -

SKEMAPEMARKAHAN PEPERIKSAANPERCUBAANSAINSPMR2OO9 KERTAS 1 Number 1

2 3 4 5 6

7 8 9 10 11

Answer

D C C D B C

Number 2T 22 z)

24 25

Answer

D D D A

26

tf

B

27

A

D

28 29

,ED

30 31 32

A

B D D

t2 l3

D

33

T4

B

lf

I,D

16

A

34 35 36

T7 18 19

B

20

B

B A

38 39 40

B B

C

c

4D

c

JABATANPELAJARANPERAK PEPERIKSAAN PERCUBAANPMR 2OO9 SKEMAJAWAPAN SCIENCEKERTAS2 QUESTION NUMBER

SCHEME

MARKS

TOTAI MARKS

l. (a) P : Element

Q: Mixtu.c R: Compound

3 I

(b) Distillation// Evapontion// Filtration//

Usingmagnet// Sieving// Extraction (c)

2

6

Total

2 . ( a X i ) J : Hydrostatic skeleton K : Endoskeleton(internal skeleton) (externalskeleton) L : Exoskeleton ( ii) (b)

(c)

K :Cat// dog/(anysuitableanswer) L : Coachroach // housefly / (anysuitableanswer)

E E

2 2

E 2 l

To protectthebody// suppoftthebody Total

3

2 correct 2 I correct I

(a) P : smallintestine

Q i largeintestine

'l

7 2

(b) Reabsorbs waterintothebloodstream

1

(c) To increase therateofabsorption ofdigestedfood

I

in the intestine // increase thesurfaceareafor the absorption of theproductsof digestion (d)

i : Glucose ii. aminoacid iii fattvacidandelicerol Total

2 6

4

(4,

(b)

P : Transformer station// stepup transformef Q : switchzone// stepdownt.ansformer (i) (iD (iiD

: Primarycoil : Stepup transformer : Raisingthevoltageofaltemating current/ lncrease theoutputvoltage

2

3

(iv)

i

5

(v). alternating cunent

I

7

(a)

Total To absorbcarbondioxide

(b)

Removestarchin the leave

l

(c)

Poltassium hydroxide solution

I

(d)

PlantB

I

lel

Plantcando photosynthesis because carbon dioxideis present

I

(i) (ii) Total

Light // sunlight Chloroohvll/ water

l

2 7

6

(a)

(b)

(i) Q: Cortex R : Medulla

I I

2

(ii) P ( Ureter) channelurinefromthekidney to the udnarybladder

I

I

Mineralsalt// water// urea

(c)

Blood Blood VesselY VesselX Canies Carries oxygenateddeoxygenated blood blood

(d)

I

(ii) Oxygenis usedup by thekidney//

I

Skin// lungs

I 7

Total

7

(a) J lnternalFertilisation K IntemalFertilisatioh L IntemalFenilisation M ExtemalFeftilisation N ExternalFenilisation

I I I I

4

l+l

2

l+l

2

J,K,L,M,N (b)

Tortoise//J, Dolphin/,4( Eagle/bird//L

Total

Fish//M Frog// N

8

8

(4,

Reading(i) : 68.0 Reading(ii) : 76.0

2

(iD Volumeofliquid (cm') Isipadu cecair ( cm') Massof liquid(g) Jisitn cecair ( cm") (b)

(c)

(d)

(e)

(f)

30

40

r7,0 25,0

I+l

2

variable Volumeof liquid Manipulated variable Responding

Massof liquid

Controlledvariabl€

Typeofliquid// the typeof b€aker// the sizeof beaker

3

whenthevolumeof Themassofa liquidincfeases the liquid increasev/ wh€nthevolumeof Themassofa liquiddecrcases theliquid decreases

I

Referto the Sraph Shouldhaveat least3 points Shoulddrawa straightline The massofa liquidincreases whenthevolumeof the liquid increases// The massofa liquiddecreases whenthevolumcof the liquid decreas€s 1 3 . 0g

2

I

I

I

1

total

t2

Total

60

Massof liquid (g) Jisim c€cairG)

35

30

25

20

l5

l0

a)

10

20

30

40

Volumeof liquid (cm3) Isipaducecair(cm3)

50