percubaan 2 science pmr

PEPERIKSAAN PERCUBAAN 2 PENILAIAN MENENGAH RENDAH

MATA PELAJARAN SCIENCE PMR

KERTAS 1

KOD KERTAS 55/1

PERATURAN PEMARKAHAN

1 D 11 A 21 C 31 A

2 D 12 B 22 A 32 A

3 D 13 A 23 D 33 C

4 C 14 C 24 C 34 D

5 B 15 A 25 A 35 D

6 A 16 D 26 B 36 A

7 B 17 C 27 C 37 C

8 B 18 D 28 B 38 B

9 C 19 C 29 B 39 A

10 A 20 B 30 C 40 D

PEPERIKSAAN PERCUBAAN 2 PENILAIAN MENENGAH RENDAH

MATA PELAJARAN SCIENCE PMR

KERTAS 2

KOD KERTAS 55/2

PERATURAN PEMARKAHAN

NO. CADANGAN JAWAPAN MARKAH

1 (a)

3

(b)

3

TOTAL 6


2 (a) (i) X : Liquid / cecair

Y : Gas / gas

1

1

(ii) Oxygen / Carbon dioxide / water vapour

Oksigen / Karbon dioksida / Wap air

* Accept any suitable answer

Terima mana-mana jawapan yang sesuai

1

(iii) X Y

Low kinetic energy

Tenaga kinetik rendah

High kinetic energy

Tenaga kinetik tinggi

Particles moves randomly

Zarah-zarahnya bergerak secara

rawak

Particles moves quickly at random

Zarah-zarahnya bergerak sangat

laju

Particles sometimes collided

Zarah-zarahnya kadang kala

berlanggar

Particles often collides

Zarah-zarahnya kerap berlanggar

antara satu sama lain.

Attraction force between particles is

strong

Daya tarikan antara zarah-zarah

kuat

Attraction force between particles is

very week

Daya tarikan antara zarah-zarah

sangat lemah

Cannot be compressed

Tidak boleh dimampatkan

Can be compressed

Boleh dimampatkan

Has definite volume

Isipadu tetap

Has no definite volume

Isipadu tidak tetap

* Accept any suitable answer

Terima mana-mana jawapan yang sesuai

1

(b) (i) Water / Air Fast / Cepat

Gel / Gel Slow / Perlahan

1

1

(ii) The rates of movement of particles of copper sulphate through water are

slower compare to gel. // The rates of movement of particles of copper

sulphate through water are slower but faster in gel.

Kadar pergerakan zarah-zarah kuprum sulfat melalui air lebih lambat

berbanding gel //

1

TOTAL 7


3 (a) Chemical energy

Tenaga kimia

1

(b) (i) Wind energy Kinetic energy Electric energy

Tenaga angin Tenaga kinetik Tenaga elektrik

1

(ii) Renewable / Boleh diperbaharui

Does not cause pollution / Tidak menyebabkan pencemaran

Cheap / Murah

Never replenished / Tidak akan habis

* Accept any one from the above

Pilih mana-mana satu daripada pilihan di atas

1

(i) R 1

(ii) The higher the position of an object, the higher its potential energy

Semakin tinggi kedudukan objek, semakin tinggi tenaga keupayaannya

1

(iii) The bigger the size of an object (that being raised), the higher its

potential energy.

Semakin besar saiz objek (yang dinaikan), semakin besar tenaga

keupayaannya.

1

TOTAL 6


4 (a)

A B

Insect Wind

2

Stigma

Stigma

Anther

Anter

Petal

Ranggi


(b) Insect-pollinated flower

Bunga yang didebungakan oleh

serangga

Wind-pollinated flower

Bunga yang didebungakan oleh

angin

Has sticky stigma

Stigma melekit

Has feathery stigma

Stigma berbulu

Brightly coloured petals

Ranggi berwarna cerah

Dull coloured petals

Ranggi berwarna pucat

Large flower

Berbunga besar

Small flower

Berbunga kecil

Scented

Berbau

Not scented

Tidak berbau

Has nectar

Mempunyai nektar

No nectar

Tiada nektar

Has short stalk

Tangkai pendek

Has long stalk

Tangkai panjang

Has short style

Stil pendek

Has long style

Stil panjang

Has short filament

filamen pendek

Has long filament

filamen panjang

Anther enclosed inside the flower

Anter di dalam bunga

Anther hang outside the flower

Anter di luar bunga

Small anther

Anter kecil

Large anther

Anter besar

* Accept any one from the answers above

Terima mana-mana satu daripada jawapan di atas

1

(c) Animals // water // birds // bats // human

Haiwan // Air // Burung // Kelawar // Manusia

1

(d) (i) Has variety // High quality // high resistance to diseases. Mempunyai variasi // Kualiti tinggi // tahan terhadap penyakit

1

(ii) Fruits // animals //

Buah-buahan // haiwan

* Accept any other examples except flower. * Accept if the student mention the species but NOT species of flowers.

* Terima contoh lain kecuali bunga.

* Terima ika pelajar menjawab nama spesies tetapi BUKAN spesies bunga

1

TOTAL 6


5 (a)

Accept if the student labelled

an X on the book.

3 corrects – 3 m

2 corrects – 2 m

1 correct – 1 m

0 correct – 0 m

3

(b) (i) Cupboard T // Almari T 1

(ii) The lower the centre of gravity, the more stable the object //

It has lower centre of gravity

Semakin rendah pusat graviti, semakin stabil objek itu //

Pusat gravitinya rendah

1

(iii) T S R

1

(c) (i) It spreads its legs (to maximise its stability.)

Ia mengangkangkan kakinya (untuk memaksimumkan kestabilannya)

1

(ii) By spreading its legs, its center of gravity will get lower.

Dengan mengangkangkan kakinya, pusat graviti akan menjadi lebih

rendah.

1

TOTAL 8


6 (a) (i) Part of leaf

Bahagian daun

Observation

Pemerhatian

Green

Hijau

Yellow blue black // dark blue

Kuning biru tua

Non green

Tidak berwarna

hijau

Yellow yellow

Kuning kuning

1

1

(ii) Chlorophyll / Klorofil 1

(b) (i) Q P R S

1

(ii) To remove the chlorophyll from the leaves

Untuk menyingkirkan klorofil daripada daun

1

(c) (i) Put plants inside the closed container //

Put water weeds inside the closed container

Masukkan tumbuhan ke dalam bekas bertutup //

Masukkan rumpai air ke dalam bekas bertutup

1

(ii) Plants supplied oxygen (for the fish during photosynthesis)

Tumbuhan membekalkan oksigen (kepada ikan semasa fotosintesis)

1

TOTAL 7


7 (a) (i) Fractional distillation

Penyulingan berperingkat

* Do not accept distillation

* Jangan terima penyulingan

1

(ii) Petroleum mixture has different boiling point

Campuran petroleum mempunyai takat didih yang berbeza

1

(iii) The colours of the fractions of petroleum in test tubes A is clearer

compare to (test tube) D. (or vice versa)

Warna pecahan petroleum dalam tabung uji A lebih cerah berbanding

(tabung uji) D. (atau sebaliknya)

1

(iv) The higher the boiling point, the higher the viscosity (of the fraction of

petroleum.)

Semakin tinggi takat didih, semakin meningkat kelikatan (pecahan

petroleum)

1

(v) Cooking gas

Gas memasak

1

(b) Carbon dioxide // Carbon monoxide //

Karbon dioksida // Karbon monoksida

1

(c) Classification

Pengkelasan

Letters

Huruf

Efficient ways to conserve energy

Cara yang cekap untuk menjimatkan

tenaga P, S

Non-efficient ways to conserve energy

Bukan cara yang cekap untuk

menjimatkan tenaga Q, R

1

1

TOTAL 8


8 (a) Place

Tempat

Plant A

Tumbuhan A

Plant B

Tumbuhan B

Initial reading (g)

Bacaan awal 300 300

The reading after 2 days (g)

Bacaan selepas 2 hari 270 250

Amount of water loss (g)

Jumlah air hilang 30 50

1 m

0 m

1

1

1

(b) Manipulated variable

Pembolehubah

dimanipulasikan

(Presence of) light / light intensity /

condition of the plant

(Kehadiran) cahaya / keamatan cahaya/

keadaan tumbuhan

Responding variable

Pembolehubah bergerak

balas

Amount of water lost/ Rate of

transpiration

Jumlah air hilang / Kadar transpirasi

1

1

(c)

Plot – 1 m

Bar chart – 1 m

2


(d) The amount of water lost from the plant in the cupboard is less than (the

amount of water lost from) the plant under the sunlight. /

Jumlah air hilang dari tumbuhan dalam almari kurang berbanding

(jumlah air hilang dari) tumbuhan di bawah cahaya matahari.

1

(e) The amount of water lost in Plant B is more because it has higher rate

of transpiration. //

The amount of water lost in Plant B is more because it is placed under

the sunlight.

Jumlah kehilangan air dalam Tumbuhan B lebih banyak kerana kadar

transpirasinya tinggi.

Jumlah kehilangan air dalam Tumbuhan B lebih banyak kerana

diletakkan di bawah cahaya matahari.

1

(f) Less than 250g // Accept any figure below 250g but not “zero”

Kurang daripada 250g // Terima mana-mana angka di bawah 250g

tetapi bukan “sifar”

1

(g) The higher the light intensity, the faster the rate of transpiration //

As the light intensity increases, the rate of transpiration increases

Semakin tinggi keamatan cahaya, semakin meningkat kadar transpirasi // Apabila keamaatan cahaya meningkat, kadar transpirasi meningkat

1

(h) Transpiration is (shown by) the reading of the balance // Transpiration is (shown by) the amount of water lost

Transpirasi ialah (ditunjukkan oleh) bacaan neraca //

Transpirasi ialah (ditunjukkan oleh) jumlah air yang hilang

1

TOTAL 12

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