paper 2 sc mid term f42

7/28/2019 Paper 2 Sc Mid Term f42

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SEKOLAH MENENGAH KEBANGSAAN TAMAN KLUANG BARAT

PEPERIKSAAN PERTENGAHAN TAHUN

TINGKATAN 4

2013

DO NOT OPEN THIS BOOKLET UNTIL YOU ARE TOLD TO DO SO

1 This question paper consists of three sections: Section A,Section B andSection C

2 Answerall questions in Section A andSection B.Write your answers forSection A andSection B clearlyin the space provided on the question paper.

3 ForSection C, answerQuestion 10 and choose anotherQuestion 11 orQuestion 12. Write your answer forSection C on the lined pages provided at the end ofthis paper. Answer should be clear and logical.

4 The marks allocated for each sub-part of a questionare shown in brackets.

5 The time suggested to complete Section A is 60 minutes,Section B is 50 minutes andSection C is 40 minutes.

6 You are allowed to answer the question in Englishor Bahasa Melayu.

This question paper consists of17 printed pages

For Examiners Use

Section Question Full

Marks

Marks

A

1 5

2 5

3 5

4 5

B

5 6

6 6

7 6

8 6

9 6

C

10 10

11 10

12 10

Total

SCIENCE

Paper 2

Two Hours and Thirty Minutes

1511/2

Science

Paper 2

Mei 2013

2 hours

Name : ......................................................

Form : 4 ..................................

Disediakan oleh;..............................................

Pn. Sarimah binti AbuGuru Sains Tingkatan 4SMK Taman Kluang Barat

Disahkan oleh;..............................................Pn. Hjh Rahimah binti Mohd

Ketua Panitia SainsSMK Taman Kluang Barat


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Section A

[20 marks]

Bahagian A

[20 markah]

Answerall questions in this section.

Jawab semua soalan dalam bahagian ini.The time suggested to answer this section is 60 minutes

Masa yang dicadangkan untuk bahagian ini ialah 60 minit.

1 Diagram 1 shows the information on the blood groups collected from 30 students in a class.Rajah 1 menunjukkan maklumat tentang kumpulan darah yang dikumpul daripada 30 orangpelajar di dalam sebuah kelas.

(a) Complete Table 1 based on the information in Diagram 1.Lengkapkan Jadual 1 berdasarkan maklumat dalam Rajah 1.

[2 marks]

(b) Draw a bar chart using the data in Table 1.Lukis carta bar menggunakan data dalam Jadual 1. [2 marks]

A A AB A B O B B B A

ABO A B A A AB O A O

A B B O B B AB A B A

Type of blood groupJenis kumpulan darah

A B AB O

Number of students

Bilangan pelajar

Table 1

Jadual 1

22

Number of students

Bilangan pelajar

Blood group(Kumpulan darah)

6

8

4

10

12

0

2

1 (a)

1 (b)


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(c) Based on the bar chart in (b), state the type of variation for the blood group.Berdasarkan carta bar di (b), nyatakan jenis variasi bagi kumpulan darah.

...................................................................................................................................

[1 mark]

2 The weight of male students in Form 5 Alpha are recorded in the table below.Berat badan pelajar lelaki dalam kelas Tingkatan 5 Alfa dicatatkan di dalam jadual di bawah.

Weight of students/kgBerat badan pelajar / kg

70 65 63 49 74 53 43 75 56 63

62 66 47 58 60 67 77 50 51 61

55 74 54 68 53 57 78 72 60 56

(a) By using the data above, complete Table 2Dengan menggunakan data di atas, lengkapkan Jadual 2.

WeightBerat badan

/ kg41 - 45 46 - 50 51 - 55 56 - 60 61 - 65 66 - 70 71 - 75 76 - 80

Number of studentBilangan pelajar

[2 marks]

(b) By using the result in Table 2, draw a bar graph the number of student against the weight.Dengan menggunakan keputusan yang diperolehi dalam Jadual 2, lukiskan satu graf barbilangan pelajar melawan berat badan.

[2 marks]

Table 2

Jadual 2

Weight/kg

Berat/kg

1 (c)

2 (a)

Total

2 (b)


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-5

(c) From the graph in ( b ), state the type of variation that shown by the weight ofstudents.

Daripada graf yang diperolehi di ( b ), tentukan jenis variasi yang ditunjukkanoleh berat badan pelajar.

............................................................................................................................................[1 mark]

3 Diagram 2 shows an experiment to study the effect of adding salt on the melting point of ice.Rajah 2 menunjukkan eksperimen untuk mengkaji kesan bendasing ke atas takat lebur ais.

The result of the experiment are recorded in Table 3.Keputusan ekperimen direkodkan dalam Jadual 3.

Substances

Bahan

Melting point/0

C

Takat lebur/0

C

IceAis

0

Ice + saltAis + garam

(a) Based on the above experiment, complete TableBerdasarkan eksperimen di atas, lengkapkan Jadual 3. [1 mark]

(b) State the variables in this experiment.

Nyatakan pembolehubah dalam eksperimen ini.

(i) Manipulated variable :

Pembolehubah yang dimanipulasikan[1 mark]

(ii) Responding variable : Pembolehubah yang bergerakbalas

[1 mark]

Table 3

Jadual 3

Diagram 2

Rajah 2

Retort stand/Kaki

retort

Thermometer

/Termometer

Salt/Garam

Ice/Ais

Funnel

/Corong turas

Water/Air

0

2 (c)

Total

3 (a)

3(b)(i)

3 (b)(ii)


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(c) What is the operational definition of melting point?

Apakah definisi operasional bagi takat lebur?

.. [1 mark]

(d) State one hypothesis for this experiment.

Nyatakan satu hipotesis dalam eksperimen ini

. [1 mark]

4 Diagram 3 shows an experiment to determine the focal length of convex lenses with differentthickness.

Rajah 3 menunjukkan eksperimen untuk menentukan jarak fokus bagi kanta cembung yangberlainan ketebalan.

(a) Measure the focal length of the convex lenses in Diagram 3 and write down their focal lengthsin Table 4.Ukur jarak fokus bagi kanta-kanta cembung dalam Rajah 3 dan tuliskan jarak fokuskanta-kanta itu dalam Jadual 4.

Thickness of the convex lensKetebalan kanta cembung

Focal length (cm)Jarak fokus (cm)

Thin/NipisThick/Tebal

[2 marks](b) What is the inference that can be made for this experiment?

Apakah inferens yang dapat dibuat daripada eksperimen ini?.......................................................................................................................................................

[1 mark](c) State the variables involved in this experiment.Nyatakan pemboleh ubah yang terlibat.

(i) Manipulated variable : Pembolehubah yang dimanipulasikan [1 mark]

(ii) Responding variable : Pembolehubah yang bergerakbalas

[1 mark]

3 (c)

3 (d)

Total

4 (b)

4 (a)

4(c)(i)

4 (c)(ii)

Total


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Section B

[30 marks]

Answerallquestions in this section.The time suggested to answer this section is 50 minutes.

5 Diagram 4 shows a cross section of human brain.Rajah 4 menunjukkan keratan rentas otak manusia

(a) Based on Diagram 4, name the structures labelled A and B.Berdasarkan kepada Rajah 4, namakan struktur berlabelA dan B.

A. ..................

B ...................[2 marks]

(b) State one function of structure A .

Nyatakan satufungsi strukturA.

...................[1 mark]

(c) State two effects of drug abuse on the brain.

Nyatakan duakesan penyalahgunaan dadah terhadap otak.

1. ..................

2 ...................[2 marks]

(d) What will happen if structure B is injured?Apakah kesan jika bahagian B tercedera?

...................[1 mark]

A

B

Diagram 4

Rajah 4

5 (a)

5 (b)

5 (c)

5 (d)

Total


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6 Diagram 5 shows the proprioceptor which act as kinaesthetic sense.Rajah 5menunjukkan reseptor regang yang bertindak sebagai deria kinestesis.

(a) Based on Diagram 5, name the structures labelled X and Y.Berdasarkan kepada Rajah 5, namakan struktur berlabelXdan Y.

X. ..................

Y ...................[2 marks]

(b) Which group of people depend highly on kinaesthetic sense?Golongan manusia yang manakah amat bergantung kepada deria kinestesis?

...................[1 mark]

(c) State two part of the body where a proprioceptor can be found.Nyatakan duabahagian badan yang mempunyai reseptor regang.

1. ..................

2 ...................[2 marks]

(d) State the function of X.Nyatakan fungsi X.

...................

[1 mark]

Diagram 5

Rajah 5

6 (a)

6 (b)

6 (c)

6 (d)

Total


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7 Diagram 6 shows the formation of twins.

Rajah 6 menunjukkan pembentukan anak kembar.

(a) State the gender of baby Q and R in the box provided in Diagram 6.Nyatakan jantina bayi Q dan R dalam kotak yang disediakan dalam Rajah 6.

[2 marks]

(b) What is process P?Apakah prosesP?

...............................................................................................................................................[1 mark]

(c) (i) State the type of twins shown in Diagram 6.

Nyatakan jenis kembar yang ditunjukkan dalam Rajah 6

.... [1 mark]

(ii) Give one reason for your answer in (b)(i).Berikan satu alasan bagi jawapan anda di (b)(i).

...........[1 mark]

(d) What will happen if splitting of the zygote formed is not complete?Apakah yang akan berlaku jika pembahagian zigot tidak lengkap?

..........................................................................................................................................

[1 mark]

Process P

Proses P

Sperm (22 + Y)

OvumBaby R(Bayi R)

.

Baby Q (Bayi Q)

Diagram 6

Rajah 6

7 (a)

7 (b)

7 (d)

Total

7 (c)(i)

7 (c)(ii)


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8 Diagram 4 shows an incomplete Periodic Table.Rajah 4 menunjukkan lakaran Jadual Berkala yang tidak lengkap.

(a) How are the elements in the Periodic Table arranged?Bagaimanakah unsur-unsur dalam Jadual Berkala disusun?

..........................................................................................................................[1 mark]

(b) Based on Diagram 7, stateBerdasarkan Rajah 7, nyatakan

(i) the type of element Njenis unsur N

...................................................................................................................................................

(ii) the element with the biggest proton number.unsur yang mempunyai nombor proton paling besar.

...................................................................................................................................................[2 marks]

(c) State the changes of element type from K to L in the Periodic Table.Nyatakan perubahan jenis unsur dari K ke L dalam Jadual Berkala.

...................................................................................................................................................[1 mark]

(d) State one similar characteristic between element L and element P.Nyatakan satusifat yang sama antara unsur L dan unsur P

...................................................................................................................................................

[1 mark](e) Name the gas released from the reaction between element K with water.

Namakan gas yang terhasil dari tindak balas antara unsur K dengan air.

...................................................................................................................................................[1 mark]

JK L

M N P

I

III IV

II V VI VII

VIII

Diagram 7

Rajah 7

8 (a)

8 (d)

Total

8 (c)

8 (b)(ii)

8 (b)(i)


10/1710

9 Diagram 8 shows a schematic diagram of a man with black iris married to a woman with blue irisRajah 8 menunjukkan skema perkahwinan seorang lelaki yang iris mata berwarna hitam dengan

wanita yang iris mata berwarna biru.

If the characteristic of black iris is dominant and blue iris is recessive,Jika sifat iris mata hitam adalah dominan dan sifat iris mata biru adalah resesif.

(a) State the iris colour of offspring S and V

Nyatakan warna iris mata bagi anak S dan V

(i) S :..

(ii) V : .

[2 marks](b) What is the ratio of having black iris offspring compared to blue iris offspring?

Berapakah nisbah untuk mendapatkan anak yang warna iris mata hitam berbanding dengan

iris mata biru?

...................................................................................................................................................[1 mark]

(c) Name process P and R.Namakan proses P dan R.

(i) P :

(ii) R : ..[2 marks]

(d) Name the type of variation in this question.Namakan jenis variasi dalam soalan ini.

...................................................................................................................................................

[1 mark]

Hh hh

Black iris father

Bapa iris mata hitam

Blue iris mother

Ibu iris mata biru

Process P (Proses P) Procee Q (Proses Q)

Process R Proses R

H h

S T U V

Diagram 8

Rajah 8

9 (b)

9 (d)

Total

9 (c)(i)

9 (c)(ii)

9 (a)(i)

9 (a)(ii)


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Section C

[20 marks]

AnswerQuestion 10and eitherQuestion 11 orQuestion 12.Write your answers on pages 14 - 17

The time suggested to answer this section is 40 minutesJawab Soalan10dan mana-mana satudaripada Soalan 11 atau Soalan 12.

Tuliskan jawapan anda di halaman 14-17.Masa yang dicadangkan untuk menjawab bahagian ini ialah 40 minit.

10 Study the following statement;

Kaji pernyataan berikut;

(a) Suggest a hypothesis to investigate the above statement.Cadangan satu hipotesis untuk pernyataan di atas. [1 mark]

(b)Using metre ruler, white screen, thick and thin convex lenses, lens holder and other apparatus, describean experiment to test your hypothesis in (a) based on the following criteria;

Dengan menggunakan pembaris meter, skrin putih, kanta cembung tebal dan nipis, pemegang kanta

dan lain-lain peralatan, rancangkan satu eksperimen untuk mengkaji hipotesis anda di (a)berdasarkan kriteria berikut;

(i) Aim of the experiment.

Tujuan eksperimen [1 mark]

(ii) Identification of variablesMengenalpasti semua pemboleh ubah [2 marks]

(iii ) List of apparatus and materialsSenarai radas dan bahan [1 mark]

( iv) ProcedureKaedah / prosedur [4 marks]

(v) Tabulation of data

Penjadualan data [1 mark]

A thicker convex lens has a shorter focal length. A thinner convex lens has a

longer focal length.

Kanta cembung tebal mempunyai jarak fokus yang lebih pendek. Kanta cembungnipis mempunyai jarak fokus yang lebih panjang.


12/1712

11 (a) Drugs affect the body coordination of a person. State four effects of drugs on the body.Dadah memberi kesan kepada koordinasi badan seseorang. Nyatakan empat kesan

dadah ke atas badan manusia. [4 marks]

(c) The ministry of education is sending officers to find out if students are taking drugs. Explain how thiscan be carried out on suspected drug addicts. Your explanation should include the following.

Kementerian Pelajaran menghantar pegawai-pegawainya untuk mengesan pelajar yang mengambil

dadah. Terangkan bagaimana ia dilakukan ke atas penagih dadah yang disyaki. Penerangan andaperlulah meliputi aspek berikut:

The aim of the investigation/Tujuan penyiasatan. The common symptoms of drug addiction/Simptom-simptom biasa seorang penagih dadah. What samples can be tested for drug/Apakahsampel untuk menguji kehadiran dadah.

[6 marks]


13/1713

12 There are two types of variation, continuous variation and discontinuous variation.Terdapat dua jenis variasi, variasi selanjar dan variasi tak selanjar

(a) Give four differences between continuous variation and discontinuous variation.

Berikan empat perbezaan antara variasi selanjar dan variasi tak selanjar[4 marks]

(b) Diagram 9 shows various characteristics of human being.Rajah 9 menunjukkan ciri-ciri berbeza yang terdapat pada manusia

Study the above characteristics. Explain how you would develop a concept based on the information inDiagram 9Kaji ciri-ciri di atas. Terangkan bagaimana anda membina satu konsep berdasarkan maklumat dalamRajah 9

Your explanation of the concept should include the following:Penerangan anda tentang konsep itu hendaklah berdasarkan kepada perkara berikut:

Identify two common characteristicsKenalpasti dua ciri sepunya

[2 marks]

Develop initial conceptBina konsep awal

[ 1 mark]

Give another example and a non-example in relation to the conceptBerikan satu contoh lain dan satu bukan contoh berkaitan dengan konsep tersebut

[2 marks]

State the actual conceptNyatakan konsep sebenar [ 1 mark]

END OF THE QUESTION PAPER

KERTAS SOALAN TAMAT

Variation

Variasi

Ability to roll tongue

Kebolehan menggulung

lidah

Blood group

Kumpulan darah

Type of earlobe

Jenis cuping telingaPresence of dimples

Kehadiran lesung pipit

Diagram 9

Rajah 9


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SPACE FOR ANSWERS SECTION C

Ruang untuk jawapan Bahagian C

Question number/ Nombor Soalan : ....................................

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paper 2 sc mid term f42

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