soalan 11 sains f5

7/29/2019 soalan 11 sains f5

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1 Chapter 2: Body coordination(a) State fourchanges in the body coordination when a person

faces a frightening incident.

Nyatakan empatperubahan dalam koordinasi badanseseorang apabila berhadapan dengan situasi menakutkan

[ 4 marks ](b) Diagram 1 shows three actions.

Rajah 1 menunjukkan tiga tindakan

.

Diagram 1

Study the information given and construct the concept ofvoluntary actions. Your answer should be based on thefollowing steps.Kaji maklumat di atas dan bina konsep tentang tindakanterkawal. Jawapan anda hendaklah berdasarkan langkah-langkah berikut;

Identify two common characteristics. [ 2 marks ]Kenal pastidua ciri sepunya.

Relate the common characteristics of the voluntaryactions in order to construct the initial concept.Hubungkaitkan antara ciri-ciri sepunya dengantindakan terkawal untuk membina konsep awal.

[ 1 mark] Give one example of another voluntary actions and

one involuntary actions.Menyatakan satu contoh lain tindakan terkawal dansatucontoh tindakan luar kawal.

[ 2 marks]


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State the actual concept of voluntary actions. Nyatakan konsep sebenar tindakan

terkawal

[ 1 mark]

2. Chapter 8a) Choose two examples of alloy. For each alloy, state

the main element in it and its uses.Pilih dua contoh aloi. Bagi setiap aloi, nyatakanunsur utama yang membinanya dan kegunaannya.

[4 marks]b) You are a carpenter who makes furniture using hard

wood. You are given three types of nail that is ironnail, copper nail and steel nail. You must choose thebest nail to be use in your work.

Anda adalah seorang tukang kayu yang membuatperabut menggunakan kayu keras.Anda diberi tiga jenis paku iaitu paku besi, pakukuprum dan paku keluli. Anda mestimemilih paku yang terbaik untuk digunakan dalamkerja anda.

Explain your choice based on the following:Terangkan jawapan anda berdasarkan perkaraberikut: Aim of choice

Tujuan pemilihan [1 mark]

Explain the hardness of each type of nail

based on its atomic structure.Terangkan tahap kekerasan setiap jenis

paku berdasarkan struktur atomnya.[3 marks]

List the type of nail according to itshardness

Senaraikan jenis paku mengikut tahapkekerasannya [1 mark]

State the reason for your choiceNyatakan sebab kepada pemilihan anda

[1 mark]


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3. Chapter 6: Radioactivitya) State fourdifferences between alpha ray and

gamma ray.Nyatakan empat perbezaan antara sinar alfa dan

sinar gama.[4 marks]

b) Improper handling of radioactive substances cancause harm to humans. Explain the correctways of handling radioactive substances.

Pengendalian bahan-bahan radioaktif yang tidakbetul akan menyebabkan ancaman kepada

manusia. Huraikan kaedah-kaedah yang betul bagi pengendalianbahan-bahan radioaktif.Your answer should include the following:Jawapan anda hendaklah mengandungi perkara

berikut

Identify the problemMengenalpasti masalah

Clarification of the problemPenjelasan masalah

Suggest four methods to solve the problemCadangkan empat kaedah untuk

menyelesaikan masalah itu.[6 marks]


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1 (a) State four differences between nervous coordination andhormonal coordination.[4 marks] / S(b) Diagram 6 shows several processes that take place in our

body.

Study the information in Diagram 6 and construct the conceptof hormonal coordination.Your answer should be based on the following steps; Identify the information [1 mark] / S Identify the common characteristics [1 mark] / S Relate the common charaterisrics in order to construct theinitial concept

[1 mark] / T Give an example of another and non-example[2 marks] / R State the actual concept of continuous variation [1 mark] / S4 . (a) State two unhealthy eating habits.Give one example of 4isease caused by each unhealthy eating habitstated above-Nyatalran dua smalan pemakanan ysng tiduk sihat


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Berf satu contoh penyakit bagi setiap amalan pemakanon yang tidaksihat yangdinyatakan cli atas.

[a rnarks]14 morknhl(b) A lot of peoples in a town suffered of obesity cau-sedb yunhealthy eating habits.Explain how to solve this Problem'Ramai penduduk tli sehuah pekan mengalami masalah obesitiberpunca dari amalanpemakanan Yang tidak sihatTerangkan bagaimana ffia.talah ini dapat diselesaikan.

Your answer should include the following aspects:Jcw apan anda hen dakl ah men gandungi aspek -usp e k be r ikttt :(i) Identificationo f ProblemPengenalpastiamn asalah [l mark]I markahJ(ii) C'larificatioonf theP roblemPenjelasanm asalah [l mark]I marlwhl(iii) Suggesfto ur methodsto solvet hep roblem

Cutlangkane mpat ftnedahu ntukm enyelesail

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soalan 11 sains f5