SMK SEKSYEN 7, SHAH ALAM, SELANGOR

PENILAIAN KURIKULUM 1 / PENTAKSIRAN SUMATIF 12015

SAINSTINGKATAN 31 JAM

NAMA : _____________________________________ TINGKATAN : ______________ Jawab semua soalan / Answer all questions

1. (a) Rajah 1.1 menunjukkan sistem respirasi manusia. Tulis bronkus, trakea dan bronkiol untuk melabel setiap bahagian sistem respirasi dalam rajah di bawah.(a) Diagram 1.1 shows the human respiratory system. Write bronchus, trachea and bronchioles to label each part of respiratory system in the diagram below.

(3 markah/3marks)(b) Rajah 1.2 menunjukkan struktur P di mana pertukaran gas berlaku.(b) Diagram 1.2 shows structure F, where exchange of gases takes place.

Rajah 1.2 / Diagram 1.2

(i) Tandakan (/) satu penyesuaian yang terdapat pada PTick (/) one adaptation that is found in P.Dinding yang tebal dan lembapThick and moist wallsSatu jaringan kapilari darahA network of blood capillaries(1 markah/ 1mark)(ii) Tuliskan Benar atau Palsu untuk pernyataan tentang X dan Y yang berikut. Write True or False for the following statements on X and Y.

X menunjukkan darah terdeoksigen mengalir ke struktur P.X shows deoxygenated blood flowing to structure P

Y iaIah darah yang berwarna merah pudar.Y is blood that is dull red in colour.

(2 markah / 2 marks)

Rajah 2.1 /Diagram 2.11. (a) Rajah 2.1 menunjukkan model sistem respirasi manusia. Dengan menggunakan model dalam Rajah 2.1, terangkan mekanisma penghembusan nafas. Diagram 2.1 shows a model of the human respiratory system. Using the model in Diagram 2.1, explain the mechanism of exhalation.____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________(2 markah / 2marks)

(b) Rajah 2.2 menunjukkan model sistem respirasi manusia dan sistem respirasi manusia. Berdasarkan Rajah 2.2, lengkapkan jadual berikut untuk memadankan bahagian berlabel system respirasi manusia dengan abjad yang digunakan pada model. Diagram 2.2 shows a model of human respiratory system and the human respiratorysystem. Based on Diagram 2.2, complete the following table to match the labelled parts of the human respiratory system to the letters used in the model.

Rajah 2.2 / Diagram 2.2PR

QS

(4 markah / 4 marks)1. (a) Padankan bahan kepada kesan berbahaya terhadap sistem respirasi manusia. Match the substance to its harmful effect on the human respiratory system.

Bahan / substanceKesan berbahayaHarmful effect

(i) Sulfur dioksidaSulphur dioxide(a) Sakit kepala yang seriusCorrodes respiratory system

(ii) Karbon dioksidaCarbon dioxide(b) Menghakis system respirasiCorrodes respiratory system

(iii) HabukDust(c) Batuk keringTuberculosis

(b) Padankan bahan kimia dalam rokok dengan kesan berbahaya terhadap kesihatan manusia. Match the chemicals in cigarattes to its harmful effect on the human health.

Bahan / substanceKesan berbahayaHarmful effect

(i) NikotinaNicotine(a) Peparu menjadi hitamBlackens the lungs

(ii) TarTar(b) Menyebabkan kanser peparuCauses lung cancer

(iii) KarsinogenCarcinogen(c) Salur darah menjadi kerasHardens blood vessels

(6markah / 6 marks)1. (a) Rajah 4.1 menunjukkan keratan Jantung manusia.Diagram 4.1 shows a section through the human heart.

Rajah 4.1 / Diagram 4.1Tandakan () huruf yang betul pada Rajah 4.1 untuk menunjukkan tempat di mana terdapatnya darah beroksigen.Tick () the correct alphabet on Diagram 4.1, shows the place where oxygenated blood is found.(3 markah / 3 marks)

(b) Tandakan () fungsi yang betul untuk bahagian berlabel E. Tick () the correct functions of the part labelled E.

Membawa darah ke seluruh badan kecuali peparuCarries blood to all parts of body except the lungs

Membawa darah beroksigenCarries oxygenated blood

Menghalang darah daripada bercampurPrevents blood from mixing

Menghalang darah daripada mengalir balikPrevents blood from flowing backwards

(2 markah / 2 marks)

(d) Apakah nama struktur yang memisahkan atrium daripada ventrikel?What is the name of structure that separates the artrium from ventricle________________________________________________________________________________________________________________________________(1 markah/1marks) 1. (a) Jadual di bawah menunjukkan kumpulan darah bagi empat orang murid Tingkatan 3 MarikhThe table below shows the blood group of four students from Form 3 Marikh.

Kumpulan darahBlood GroupMuridStudent

AAnita

BMuthu

ABWei Chong

OJenifer

(i) Anita terlibat dalam satu kemalangan. Dia kehilangan darah yang banyak. Berdasarkan jadual, siapakah yang boleh mendermakan darah kepada dia?Anita involved in an accident. She has a great loss of blood. Based on the table, who can donate blood to her?______________________________________________________________

(1markah/1mark)(ii) Apakah yang akan berlaku sekiranya Muthu mendermakan darahnya kepada Anita?What will happen if Muthu donates his blood to Anita?______________________________________________________________(1markah / 1mark)(iii) Berdasarkan sistem pengesahan ABO, Wei Chong dan Jenifer boleh dikenali sebagai:Based on the ABO identification system, Wei Chong and Jenifer are known as:

(2markah / 2marks)

(b) Rajah 5.1 menunjukkan keratan rentas akar.Rajah 5.1/Diagram 5.1

Diagram 5.1 shows the cross-section of a root.(i) Namakan struktur X.Name structure X.____________________________________________

(ii) Apakah fungsi struktur X?What is the function of structure X?____________________________________________(2 markah/ 2 marks)

1. Puan Norma dan keluarganya telah bercuti di Cameron Highlands. Dia telah membeli beberapa pasu pokok bunga dan berniat untuk menanam semula di rumahnya. Apabila tiba di rumah, dia mendapati bahawa beberapa batang tumbuhan herba itu telah layu.Puan Norma and her family went to Cameron Highlands for a vacation. She bought several pots of flowers which she intended to replant at her home. When she reached home, she discovered that several of the potted herbaceous plants had wilted.

(a) Lengkapkan pernyataan di bawah.Complete the statement below.

Tumbuhan herba adalah tumbuhan yang mempunyai batang yang tidak berkayu dan _________________.Herbaceous plants is a plant that have non woody and ___________________.(1markah/1mark)

(b) Terangkan mengapa tumbuhan herba di dalam pasu itu layu.Explain why the potted herbaceous plants had wilted._______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________(2markah/2marks)

(c) Rajah di bawah menunjukkan satu eksperimen untuk mengkaji faktor-faktor yang mempengaruhi kadar transpirasi.The diagram below shows an experiment carried out to investigate the factors that affect the rate of transpiration.

Berdasarkan pemerhatian dalam rajah di atas, lengkapkan jadual di bawah.Based on the observations in the above diagram, complete the table below.

(2markah/2marks)

(d) Berdasarkan jadual di atas, cadangkan cara yang sepatutnya dilakukan oleh Puan Norma untuk mengangkut pokok herba dalam pasu supaya tidak layu. Terangkanjawapan anda.Based on the observations shown above, suggest how Puan Norma should have transported the potted herbaceous plants to prevent them from wilting. Explain your answer.________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________(2markah/ 2marks)

(e) Nyatakan tiga faktor lain yang mempengaruhi transpirasi dan huraikan.State another three factors that affect transpiration and explain.________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________(3markah/3marks)

1. (a) Graf di bawah menunjukkan punca kanser peparu bagi sesetengah negara.The graph below shows the causes of lung cancer of a certain country.

Berdasarkan graf di atas, nyatakan punca utama kanser peparu di negara tersebut. Wajarkan jawapan anda.Based on the graph shove above, state the main cause of lung cancer in the country. Explain your answer._________________________________________________________________________________________________________________________________________________________________________________________________________(2markah/2marks)

(b) Rajah di bawah menunjukkan satu eksperimen untuk menunjukkan kesan merokok ke atas peparu.The diagram below shows an experiment carried out to demonstrate the effect of smoking on the lungs.

(i) Nyatakan perubahan yang berlaku ke atas kapas, suhu dan penunjuk hidrogen karbonat dalam eksperimen ini.State changes occur on cotton, temperature and hydrogen carbonate indicator in this experiment.______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________(3markah/3marks)(ii) Apakah bahan dalam asap rokok yang menyebabkan perubahan warna pada penunjuk hidrogen karbonat? Terangkan kesannya ke atas peparu.What is the substance in cigarette smoke which causes the change in the colour of the hydrogen carbonate indicator? Explain its effect on the lungs.______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________(2markah/2marks)

(iii) Terangkan mengapa seseorang yang merokok boleh menyebabkan ketagihan.Explain why a person who smokes is addicted to smoking.________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________(3markah/3marks)

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