Sce Ans(perak)

  • Uploaded by: SimPor
  • 0
  • 0
  • October 2019
  • PDF

This document was uploaded by user and they confirmed that they have the permission to share it. If you are author or own the copyright of this book, please report to us by using this DMCA report form. Report DMCA


Overview

Download & View Sce Ans(perak) as PDF for free.

More details

  • Words: 780
  • Pages: 7
Science Paper 1 scheme

Trial PMR 2008 - Perak Darul Ridzuan

55/1

Marking Scheme

I

C

ll

C

21

D

31

C

2

C

12

D

22

B

')a JL

A

3

B

13

B

-r ,)

z)

A

a.l JJ

D

4

A

14

A

24

D

34

C

5

B

l5

B

25

C

35

C

6

A

l6

C

26

A

36

D

7

B

17

B

27

C

37

D

8

A

t8

B

28

D

38

A

9

C

l9

C

29

C

39

D

l0

A

20

D

30

D

40

B

SectionA [40 marks] Answerall questions.

(a) Semicircularcanal1l)) Salur separa bulat

Cochlea(Q) Koklea

I{) Earossicles{ Osikeltelinga

[ 3 marks] [3 markah] (b) A m p l i f i e ss o u n dw a v e s Menguatkan gelombang bunyi Controfs the balanceof the body Mengawal ke,se i mbangan badan Convertsoundvibrationto nerveimpulses Menukarkan getaran bunyi kepada impul.ssaraf

[2 marks] [2 markah] (c)

Microphone/ loudhailer/ earphone/ stethoscope/ioudspeaker

I I mark] I rnarkah]

(a)

Lungs I mark] I I markahJ To pumpbloodto the wholebody I I mark] I markahJ I

(b) a a a a a a a

A a a a a a I

Whole body (except lungs) Seluruh badan (kecuali peparu)

[2marks] [2 markahJ (c)

(d)

underlow P: The lumen is large/hasvalve/lessmuscularand lesselasticrblood blood pressure/deoxygenated cell thick/bloodundervery no valves/nonmuscular/one is very small/ Q:The lumen bloodi and oxygenated little pressure/deoxygenated I I mark] [ 1 markah] more oxygen carries blood The tissues/ the to To supply more oxygen [1 mark] I I markah]

X : c o n d e n s a ti o n Y : Bo i l i n g

(b\

[2 marks] [2 markah] // odourless//boilingpoint at l000cllmeltingpoint at00Cllhasa density i. Colourless// tasteless of I g/cm3ll abadlpoorconductorof heatllbad/poorconductorof electricity I mark] pmarkahJ boiling point higher(than l00oC)

(c)

I mark] flmarkahJ

ProcessZ ProsesZ

8E CO Il marks] f lmarkahJ

@

Heatis absorbed

[2 marks] [2 markah

(a)

ll 2 ( classlever) i. Second

I I mark] I I markahJ in opposite act ii. The load is betweenthe fulcrum and the effortlthe load and effort direction.

(b)

I mark] I markahJ I

Q needslesseffort than P to pull out the nail

I mark] p markahJ

(c.)

30kgxX:25kgx l.2rn. 3 0X :

30

X:lnt.

[2 marks] [2 markahJ

(d)

f)i:rgr-:rnr (i-J ( R:r j:rh 6-J )

(a)

Mouth

Oesophagus

l-1 * Il l stomach |

5 correct - 2m, 3 correct - l m

(b)

Q will contractand relax

(c) : Glucose i.Carbohydrates Karbohidrat

[2 marks] [2 markahJ I I mark] markahJ I I

ii. Proteins : A m i n o a c i d Protin iii.Fats : Glycerol and Fatty acid Lemak [3marks] [3 markahJ Viskingtube [ 1 mark] I I markahJ The enzymein salivafunctionsbestat bodytemperature I I mark] I I markahJ (a)

i.P I I mark] I I markahJ ii. CanP losesheatfasterthancanQ

(b)

[1 mark] markahJ fl

i. The black surface// P

[1 mark] markahJ I I ii. Lower than 5 50Cllmore heatradiate

(c)

[1 mark] fl markahJ u'ill rvarm longer) rentain (so hot drink heat, the The transmission / radiationof I mark] fl marknhJ Convectionof heat/hotair in the overr ( so the cake will cook faster)

I mark] p markah] (d)

Black colour radiateheat better than white / shinv colour [1 mark] [I markahJ

(a)

(i) (ii) (iii) (iv)

Paramecium/ Paramesium: Binaryfussion Chlamydomonas/ klamidomonas : Binaryfussion StarfishiTapak Sulaiman:Regeneration HydralHidro: Budding [ 4 marks] [4 markahJ

(b)

Paramec C h larnydomonas, i um. H1,dra,Starfish Ameba, Lintah bulan, Hidra, Tapak Suktiman

Has flagellum/has cilium/has tentacles

Common characteristic Ciri Sepunya

Doesnot have flagellum/Doesnot havecilium/Doesnot havetentacles

Hydra.starfish. Paramecium/ Chlamydomonas, Hydra, Star fi sh/Chlar,rydomonas, Paramecium. starfish

Chlamydomcnas/ Paramecium/ Hydra

Name of the organisms lYama organisma

[4 marks] 14narkahJ

(a)

36 secI saat// Time taken Masa yang riiombil

ll

r8

30

36

47

I markl I markah] I (b) (i) Manipulatedvariables

Volume of the conlainer

P embolehubah d imanupula,si

(ii) Responding variables

How long a candle burn.s/ time taken

Pembolehubah bergerakbalas ( i i i ) F i x e dv a r i a b l e s

Size of cctndle/ type of candle

P embo lehubah d i mal arkan 13marksl [3 markohJ (c)

The bigger lhe container, the longer the burning time of a candle.

I mark] fl ntarkahJ (d)

50

40 Time taken

30 1 20 10

0

400

600

800

1000

Volumeof glasscontainer

1200

[3 marks] [3 markahj

(e) 33 sec. As the volumeof the containerincreases,the time taken-forthe candleto burn also increases

(fl

12marksl [2 markahJ

The time takenfor the candle to burn decredses Exhaled air contains more carbon dioxide / less oxygen [2 mark] [2 markahJ

Related Documents

Sce(perlis)
October 2019 21
Sce Ans(perak)
October 2019 8
Sce Profile Projects Msdi
November 2019 7
Msds Coladet Sce-40pg
June 2020 3
New_coladet Sce-40pg
April 2020 4

More Documents from "allanlopez_2009"