skema set 5

JABATAN PELAJARAN TERENGGANU

SET 1

SCIENCE

MARKING SCHEME

Marking scheme / 1511/ SET 5

PAPER 1

1 B 11 A 21 A 31 D 41 B2 A 12 C 22 D 32 C 42 A3 B 13 A 23 B 33 D 43 C4 A 14 C 24 B 34 D 44 A5 D 15 D 25 C 35 C 45 C6 B 16 D 26 B 36 B 46 A7 B 17 A 27 C 37 B 47 D8 D 18 C 28 C 38 A 48 D9 D 19 A 29 D 39 C 49 B10 A 20 C 30 B 40 B 50 C

Total mark for Paper 1 : 50 marks

PAPER 2

SECTION A

1 (a)

Type of blood group(Jenis kumpulan darah) A B AB O

Number of students(Bilangan pelajar) 11 10 4 5

4 correct – 2 m 2 or 3 correct – 1 m 1 correct – 0 m

(b)

(b)

(c) Discontinuous variation (Variasi tak selanjar) 1 m

Total 5 m

2

A B AB O

Transfer all points corrrectly – 1 m

Bar chart – 1 m


2 (a) Metal X is the most reactive // Metal Y is the least reactive 1 m(Logam X paling reaktif // logam Y paling tidak reaktif)

(b) (i) Type of metal 1 m(ii) Amount/Quantity/Mass of metal 1 m

(c) X, Z, Y 1 m (d) Magnesium 1 m

Total 5 m3 (a)

(b) 1.8 cm + 0.1 cm 1 m(c) Upright / Bigger than object / Virtual 2 m

(any two) Total 5 m

4 (a) The time taken for can A to stop is the shortest/time taken for can C to stop is the 1 mlongest/(Masa yang diambil untuk tin A berhenti adalah paling singkat/masa yang diambil untuk tin C berhenti adalah paling lama)

(b) The mass of can 1 m(c) The greater the mass of can, the longer the time taken for can to stop 1 m

(Semakin besar jisim tin, semakin lama masa yang diambil untuk tin berhenti)(d) Any suitable answer ( more than 4 min, less than 15 min) 1 m(e) Inertia is the time taken for cans to stop swinging. 1 m

(Inersia ialah masa yang diambil oleh tin untuk berhenti berayun)

Total 5 m

Total marks for Section A 20 marksSECTION B

5 (a) A : Cerebrum 1 mB : Cerebellum 1 m

(b) Control the voluntary action//control speech/hearing/vision 1 m(c) Brain damage/depression/hallucination/stay awake or active/decrease stress/

Slow down the reaction time/lost sense of smell/vision/becomes intellectuallyincapable(any two suitable answers) 2 m

(d) Cannot maintain posture and body balance 1 m

3

object (objek)

magnifying lens (kanta pembesar)()

F2F F 2F

2 rays with correct arrow directions – 2 m


Total 6 m6 (a) Distillation (Penyulingan) 1 m

(b) (i) Liebig condenser 1 m(ii) To condense vapour into liquid 1 m

(mengkondensasi wap kepada cecair)

(c)

1 m(d) 100o C 1 m(e) Boiling//condensation 1 m

Total 6 m

7 (a) Substance that contains weakened or mild form of pathogen to produce immunity.(Bahan yang mengandungi patogen yang mati atau dilemahkan untuk menghasilkan keimunan) 1 m

(b) Artificial active immunity 1 m(c) To stimulate antibodies up to the level of immunity 1 m

(Untuk merangsang antibodi mencapai aras keimunan)(d) (i) Tuberculosis (Batuk kering/TB) 1 m

(ii) Bacteria 1 m(e) Hepatitis/measles/chicken pox 1 m

(Hepatitis/demam campak/cacar air) Total 6 m

8 (a) K : Lumen 1 mL : Cholesterol 1 m

(b) Heart attack / Stroke / Arteriosclerosis(any two) 2 m

(c) Red meat / Butter / Cheese/Lard 1 m(Daging merah / mentega / keju / lemak babi)

(d) Olive oil / Corn oil / Lean meat / Fish / Palm oil 1 m(minyak zaitun / minyak jagung / daging tanpa lemak / ikan/ minyak kelapa sawit)

Total 6 m9 (a) K : Thrust force

L : Lift forceM : Drag force

(any two correct answers) 2 m(b) (i) Aerofoil 1 m

(ii) Bernoulli’s principle 1 m(c) There is no air/oxygen in outer space 1 m(d) Thrust equals to the drag

(Tujahan sama dengan seretan) 1 m

Total 6 m

4

P (Water outlet)

Q (Water inlet)


Total marks for Section B 30 marksSECTION C

10 (a) Hypothesis :Plant grown in culture solution without macronutrient / nitrogen will not show normal /healthy growth./Plant grown in Knop culture solution will show normal growth /healthy growth.(Tumbuhan yang tumbuh di dalam larutan kultur tanpa makronutrien / nitrogen akan menunjukkan pertumbuhan yang tidak normal / tidak tumbuh sihat ) 1 m

(b) (i) Aim of the experiment :To study the effect of macronutrient /nitrogen on plant growth.

( Untuk mengkaji kesan makronutrien/nitrogen ke atas pertumbuhan pokok ) 1 m

(ii) Identification of variables

a. Constant variable : type/size of seedlingsb. Manipulated variable : type of culture solution / presence of nitrogenc. Responding variable : plant growth / colour of leaves

(any two) 2 m

(iii ) List of apparatus and materials

Apparatus (Radas) Test tube (tabung uji) / any suitable container Cotton wool Black paper

Materials. Knop culture solution(larutan kultur Knop) Culture solution without nitrogen (larutan kultur tanpa nitrogen) Maize seedlings (anak benih jagung) 1 m

( iv) Procedure (Kaedah / prosedur)

i. Put a maize seedling into test tube labeled A and B. //Diagram(Masukkan anak benih ke dalam tabung uji berlabel A dan B // Rajah)

ii. Wrap each test tube with black paper. // Diagram (Balutkan tabung uji dengan kertas hitam // rajah )

iii. Fill test tube A with Knop culture solution and test tube B with culture solution without nitrogen. // Diagram(Isikan tabung uji A dengan larutan kultur Knop dan tabung uji B dengan larutan kultur tanpa nitrogen // rajah )

iv. Leave test tube A and B near a window ( to obtain enough sunlight )(Letakkan tabung uji A dan B berdekatan dengan tingkap.)

v. After a week, replace the same solution for each test tube.(Selepas satu minggu, gantikan larutan yang sama bagi setiap tabung uji.)

vi. Observe and record the growth of each seedling.(Perhatikandan rekod pertumbuhan setiap anak benih )(any four) 4 m

5


(v) Tabulation of data

Type of solution/presence of nitrogen Plant growth/size of plant/colour of plant

Culture solution with nitrogenCulture solution without nitrogen

1m

Total 10 m

11 (a) (i) Able to draw and label the arrangement of particles in copper and bronze.

2 m

(ii) Layers of copper atoms can slide over one another when sheared. 1 m(Lapisan atom kuprum mudah menggelongsor antara satu sama lain apabila diketuk)

Tin atoms in bronze prevent copper atoms from sliding easily over 1 mone another.(Atom timah dalam gangsa menghalang atom kuprum daripada menggelongsor antara satu sama lain)

(b) (i) Two common characteristics: Mixture of two or more metals//mixture of a metal with a small amount

of non-metal. (Campuran dua atau lebih logam // campuran logam dengan sedikit bukan logam) 1 m Harder // more rust resistance

(lebih keras // lebih tahan kakisan) 1 m

(ii) Initial concept:Substance made up of two or more metals (in different percentage) and have better physical characteristics than its pure metal is an alloy.(Bahan yang dibina daripada dua atau lebih logam (dalam peratus yangberbeza) dan mempunyai sifat fizik yang lebih baik daripada logam tulennyaialah aloi) 1 m

(iii) Another example : ( steel / duralumin) 1 mNon – example : Aluminium / carbon 1 m(accept any suitable answers)

(iv) Actual concept:Alloy is a substance made up of two or more metals (in different percentage) and have better physical characteristics than its pure metal.(Aloi ialah bahan yang dibina daripada dua atau lebih logam (dalam peratus Yang berbeza) dan mempunyai sifat fizik yang lebih baik daripada logamtulennya). 1 m

Total 10 m

6

copper

Copper atomCopper atom

Tin atom

bronze


12 (a) Disposal of rubbish/ sewage/ fertilizer/ toxic substance/ chemicalsubstance/ oil spills/ pesticides/ fungiticides.(Pembuangan sampah sarap/ air kumbahan/baja/ bahan toksik/ bahan kimia/ tumpahan minyak/penggunaan racun serangga)(any two suitable answers) 2 m

Effects : Kills aquatic organisms/ destructions of habitats/ Change the pH value of water/

leads to eutrophication/ causes lack of oxygen in water/ (memusnahkan hidupan akuatik/ pemusnahan habitat/ perubahan nilai pH air/

menyebabkan eutrofikasi/ mengurangkan kandungan oksigen dalam air)(any two suitable answers) 2 m

(b) *Identify the problem: The variety species of fishes found floating dead in the river/The river was contaminated with effluents from the nearby palm

oil factory (Pelbagai spesies ikan didapati mati dalam sungai/ sungai itu telah dicemari

oleh sisa daripada kilang kelapa sawit berhampiran) 1 m

* Three alternatives and explanations Treating liquid effluents from the factory before disposing them into 1 m

the river (Rawat sisa cecair daripada kilang sebelum dialirkan ke dalam sungai)

Recycle solid effluents from the factory into useful substances/ animals feed/ compost fertilizer 1 m (Kitar semula sisa pepejal daripada kilang kepada bahan yang boleh

digunakan/ makanan haiwan/ baja kompos) Burn the oil palm waste can lead to release of thick smoke 1 m

(Bakar sisa kelapa sawit boleh menyebabkan penghasilan asap yang tebal)

* Sequence of priority: 1. Treating liquid effluent (Rawat sisa cecair) 2. Recycle solid effluent (Kitar semula sisa pepejal) 3. Burn the waste (Bakar sisa tersebut) 1 m

* Best alternative: treating liquid effluent can protect the aquatic animals. 1 m (Rawat sisa cecair boleh melindungi haiwan akuatik)

Total 10 m

Total marks for Section C 20 marks

Jumlah keseluruhan 120 markah Jadikan 100%

END OF MARKING SCHEME

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skema set 5

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