Paper 1 Mid Year Exam Form 4

Mid Year Exam Form 4 ~2009

Instruction: Each question is followed by four choices of answer. Choose the best answer for each question. Setiap soalan diikuti empat pilihan jawapan, Sila pilih jawapan yang paling tepat untuk setiap soalan. 1.

Which of the following statements describes accurately the meaning of science? Manakah antara penyataan berikut menerangkan dengan tepat maksud sains? A Developing knowledge about the natural environment through discoveries Membangun pengetahuan tentang alam sekitar melalui penemuan-penemuan B Research on space Penelidikan pada ruang C Explanation about environmental pollution Penjelasan tentang pencemaran alam sekitar D The invention of sophisticated equipment Ciptaan kelengkapan canggih

2.

W : Membuat Hipotesis X : Mengumpul Data Y : Mengawal Pe Pembolehubah Z : Mengenal Pa Pasti Sa Satu Masalah W , X , Y and Z are steps involved in a scientific investigation. Which of the following sequence is correct? W, X, Y dan Z adalah langkah-langkah yang dillibatkan dalam satu penyiasatan saintifik. Yang manakah siri berikut adalah betul? A Z , W , Y , X B W , Z , Y , X C Z , Y , W , X D Y , Z , W , X

3.

In a scientific investigation, how is a formed hypothesis tested? Dalam satu penyiasatan saintifik, bagaimana satu hipotesis yang dibina diuji? A By conducting an experiment Dengan menjalankan satu ekperimen B By identifying the problem Dengan mengenal pasti masalah C By making an inference Dengan membuat satu inferen D By making a conclusion Dengan membuat satu kesimpulan

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4.

In an experiment to study the relationship between the oscillation of a weight and the length of the thread, which of the following is paired correctly?

Dalam satu ujian untuk mengkaji hubungan antara ayunan satu berat dan panjang benang, yang manakah antara berikut pasangan yang betul?

A B C D

Variable that is kept constant Pem Pembo bole lehu huba bah h yang yang dima dimala lark rkan an (te (teta tap) p) Length of the thread Panjang benang Mass of the weight Jisim pemberat Time of the oscillation Masa ayunan Shape of the weight

Bentuk pemberat

Variable that is manipulated Pemb Pembol oleh ehun unah ah yan yang g dima dimani nipu pula lasi sika kan n Time of the oscillation Masa ayunan Length of the thread Panjang benang Shape of the weight Bentuk pemberat Time of the oscillation

Masa ayunan

5.

The cerebellum in the human brain functions to control Serebelum Serebelum dalam otak manusia berfungsi untuk mengawal A body balance Keseimbangan badan B voluntary actions Tindakan terkawal C mental activities Aktiviti mental D involuntary actions Tindakan Tidak Terkawal

6.

Which of the following is an involuntary action? Yang manakah antara berikut adalah satu tindakan tidak terkawal? A Coughing Batuk B Hearing Mendengar C Smelling Menghidu D Talking Bercakap

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7.

The above diagram shows the main endocrine glands in the body. body. Which of the glands, P , Q, R and S, functions when one eats honey in large quantities? Gambar rajah di atas menunjukkan kelenjar-kelenjar endokrin utama dalam badan. Yang manakah diantara kelenjar-kelenjar, P, Q, R dan S, berfungsi apabila seseorang makan madu dalam kuantiti banyak? A P B Q C R D S

8.

Which of the following section labelled in the above diagram is responsible for the jerking away of the hand when in contact with a sharp torn? Yang manakah bahagian berlabel di dalam gambar rajah di atas bertanggungjawab untuk menyent k keluar akan tangan apabila dicucuk dengan satu pin tajam? A P B Q C R D S

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9.

Gland Y in the above diagram has the function of Kelenjar Y dalam dalam gambar rajah rajah di atas mempunyai fungsi fungsi A stimulating growth merangsang pertumbuhan B preparing the uterus to receive ovum menyediakan uterus untuk menerima ovum C controlling the sugar level in the blood mengawal paras gula dalam darah D increasing the ability of the body to cope with stress menambah keupayaan badan untuk mengatasi tekanan

10.

Based on the above diagram, r eduction of hormone from which gland will cause a person to suffer from goitre? Berdasarkan Berdasarkan gambar rajah di atas, pengurangan hormon daripada yang kelenjar yang manakah akan menyebabkan seseorang itu menghidap beguk? A K B L C M D N

11. Which part of the brain controls the mind? Bahagian manakah pada otak yang mengawal minda? A Cerebrum B Cerebellum C Medulla oblongata D Spinal nerves

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12.

The above diagram shows a sensory neurone. The section labelled X labelled X is is known as Gambar rajah di atas menunjukkan menunjukkan satu neuron neuron deria. Seksyen berlabel X dikenali sebagai

A a dendrone B C D

an axon a synapse a cell body

13. Which of the following is not an involuntary action? Manakah antara berikut adalah BUKAN tindakan tidak terkawal? A Analysis of information Analisis maklumat B Control of body temperature Kawalan suhu badan C Secretion of saliva Rembesan air liur D Peristalsis in the intestine

Peristalsis dalam usus 14.

The above diagram shows the relation between a receptor and an effector with the central nervous system. X and Y are Gambar rajah di atas menunjukkan hubungan hubungan antara reseptor reseptor dan efekto dengan sistem saraf pusat. X dan Y adalah

15. The human brain is protected by a hard bone structure known as the Otak manusia dilindungi dilindungi dengan satu struktur tulang keras yang dikenali dikenali sebagai A cerebrum B cerebellum C menages D cranium

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16. Which of the following activities is not controlled by the medulla oblongata? Yang manakah diantara aktiviti-aktiviti berikut BUKAN BUKAN di kawal oleh medula oblongata? A Peristalsis

Peristalsis B

Thinking

Pemikiran Heartbeat Denyutan Jantung D Blood circulation Peredaran darah C

17.

The above diagram shows a cross-section of the spinal cord. Which of the following is correctly labelled?

Gambar rajah di atas menunjukkan men unjukkan satu keratan rentas saraf tunjang. Yang Yang manakah antara berikut dilabel dengan betul? I II III A B C D

Sensory neurone Motor neurone Relay neurone III only I and II only II and III only I, II and III

18. The effects of alcohol on humans include Kesan dari alkohol pada manusia termasuk I cirrhosis of the liver sirosis hati II interference with voluntary action

gangguan ke atas tindakan terkawal III stomach ulcers Ulser perut A II only B III only C I and III only D I, II and III

19. Where can proprioceptors be found?

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I II III A B C D

Joint Ligament Brain I only II only I and II only II and III only

20.

The above diagram shows an exchange of genetic material in the chromosome. This process occurs in the A liver B kidney C skin D ovary

21.

The above diagram shows the stages in the formation of a baby. Which of the following represents the X and Y process?

A B C D

X Mitosis Meiosis Fertilisation Crossing over

Y Meiosis Mitosis Mitosis Fertilisation

22. Which of the following heredity diseases is caused by gene mutation? A Turners syndrome B Klinefelters syndrome C Down's syndrome D Haemophilia 23. The chromosome content of a Down's syndrome female patient is A 44 + XX B 44 + XY C 45 + XX D 45 + XY 24. A son inherits the Y chromosome from

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A B C D

his father his grandfather his mother his parents

25.

The above diagram shows the normal distribution graph for human characteristics. The most probable characteristic shown in the graph is A body weight B colour of iris C type of fingerprint D blood group

26.

The above diagram shows the stages involved in the process of A mitosis B meiosis C fertilisation D mutation

27.

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The above diagram shows a histogram of the characteristics of students in a class. Which of the following could be these characteristics? I Height II Intelligence III Colour of the skin A I only B I and II only C II and III only D I, II and III

28. Which of the following shows the chromosome content in a human ovum? 22 + X I II 22 + Y III 22 + XY A I only B III only C I and II only D II and III only 29. The elements in a periodic table are arranged according to the A nucleon number B number of neutrons C proton number D number of isotopes 30.

The above diagram shows the physical changes in the state of a matter. Which of the following processes involves the release of heat energy? A K, M, P B L, N, O C L, M, P D L, M, O

31.

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The above table shows the particles in an atom and their charges. Which of the following is X , Y and Z ? X Y Z A Neutron Electron Proton Proton Neutron B Electron Electron Neutron C Proton D Proton Neutron Neutron

32. An atom has 9 electrons and a nucleon number of 19. How many neutrons are there in this atom? A 9 B 10 C 19 D 28 33. The substances that are classified as molecular substances are A ammonia and oxygen B carbon and sulphur C iron and carbon D sodium chloride and ammonia 34.

The above diagram shows some elements in the periodic table. Which of the following elements is a halogen? A R B S C U D V

35.

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The graph in the above diagram shows the cooling of liquid naphthalene in relation to time. What happens during the period of time from X to Y ? A Heat is absorbed from the surroundings. B The temperature increases dramatically. C The movement of particles slows down. D The particles separate further.

36. Which of the following consists of only atoms? A Magnesium, iron, chlorine B Potassium, calcium, zinc C Sulphur, lead, sternum D Beryllium, fluorine, neon 37. Which of the following statements is true about the periodic table? A Elements are arranged in order of decreasing proton number. B Group I consists of inert elements. C There are 7 groups and 8 periods. D The metallic characteristic reduces from left to right in the periodic table . 38.

The above table shows the properties of three materials X , Y and Z . What types of particles are in X , Y and Z ?

A B C D

Ion Ion Mol Molecule Atom Ato Atom

X Mole Molecu cule le Ion Mo Molecule Ion Ion

Y

Z Atom tom Atom Io Ion Mole Moleccule ule

39. Materials classified as molecular substances are A sodium chloride and lead bromide B sugar and naphthalene C oxygen and iron

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D

aluminium and zinc

40. Atom X has a proton number of 12 and a nucleon number of 25. This means a neutral atom X has A 12 electrons B 13 electrons C 12 neutrons D 13 protons 41. Oxygen has a proton number of 8 and a nucleon number of 16. A material is said to be an isotope of oxygen if it has Nucleon number Proton number A 17 8 B 16 9 17 9 C 16 7 D 42. A neutral atom has a proton number of 17. Thus, it can be concluded that the atom has 17 neutrons I II 17 electrons III a nucleon number of 34 A II only B I and II only C II and III only D I, II and III 43.

The above diagram shows the structure of an oxygen particle. Which of the following is true about the particle? It has a proton number of 8. I II It has a nucleon number of 16. III The particle is a neutral oxygen atom. A I and II only B I and III only C II and III only D I, II and III

44. A I II III A

atom consists of 20 protons 20 neutrons 20 electrons I only

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B C D

I and II only II and III only I, II and III

45. Which of the following is the same in a pair of isotope elements? I Number of protons II Number of neutrons III Number of electrons A I only B I and III only C II and III only D I, II and III 46.

The above diagram shows a change in the state of a matter. Which of the following happens in the change above? I The particles absorb energy. energy. II The force of attraction is weakened. air. III The particles are released into the air. A III only B I and II only C I and III only D II and III only

47. Which of the following are true about solids? freely. I The particles move freely. II The force of attraction is very strong. III The kinetic energy of the particles depends on the surrounding temperature. A I and II only B I and III only C II and III only D I, II and III 48. A scientific investigation usually involves the following senses except A the senses of taste B the senses of touch C the senses of sight D the senses of hearing 49. Which of the following variables has its value obtained through observation in an experiment? A Variable that responds B Variable that is kept constant C Variable that is manipulated

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D

Independent variable

50.

The above diagram shows different objects that are submerged and floating in different liquids. The sequence in which the objects and liquids are arranged based on a d ecrease in density is K , L, M , O, P , Q A Q, M , P , L, O, K B K , O, L, P , M , Q C O, P , Q, K , L, M D

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Paper 1 Mid Year Exam Form 4

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