msc 2019 junior instruction 30 question 1-10 is 3 marks...

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1 MSC 2019 JUNIOR INSTRUCTION: Answer all 30 questions in this section. -------------------------------------------------------------------------------------------------------------------------- QUESTION 1-10 IS 3 MARKS EACH 1. Sensory messages are taken to the brain by_______________. Mesej dari deria sampai ke otak melalui _______________. A. Arteries and veins (Arteri dan urat) B. Arteries and hormones (Arteri dan hormon) C. Nerve and hormones (Saraf dan hormon) D. Muscle and veins (Otot dan urat) E. Capillaries (Kapilari) 2. The process by which plants capture light energy from the sun and convert it into sugar Proses di mana tumbuhan menangkap tenaga cahaya dari matahari dan mengubahnya menjadi gula A. Chlorophyll (Klorofil) B. Evergreen (Malar hijau) C. Photosynthesis (Fotosintesis) D. Deciduous (Deciduous) E. Pollinated (Terdegradasi) 3. The lightest periodic table element is _____. Elemen yang paling ringan dalam jadual berkala ialah _____. A. Carbon (Karbon) B. Helium (Helium) C. Hydrogen (Hidrogen) D. Nitrogen (Nitrogen) E. Potassium (Kalium) 4. When a singer sings, sounds travels through the air in waves. Which of these will sound also travel through? Apabila seorang penyanyi menyanyi, bunyi bergerak melalui gelombang. Manakah antara berikut bunyi juga boleh bergerak? A. Water (Air) B. Wood (Kayu) C. Metal (Logam) D. All of them (Kesemua di atas) E. None of the above (Tiada seperti di atas)

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Page 1: MSC 2019 JUNIOR INSTRUCTION 30 QUESTION 1-10 IS 3 MARKS …hotseducational.com/pastyear2019/2019-MSC-JS.pdf · 1 MSC 2019 JUNIOR INSTRUCTION: Answer all 30 questions in this section

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MSC 2019 JUNIOR

INSTRUCTION: Answer all 30 questions in this section. -------------------------------------------------------------------------------------------------------------------------- QUESTION 1-10 IS 3 MARKS EACH

1. Sensory messages are taken to the brain by_______________. Mesej dari deria sampai ke otak melalui _______________. A. Arteries and veins (Arteri dan urat) B. Arteries and hormones (Arteri dan hormon) C. Nerve and hormones (Saraf dan hormon) D. Muscle and veins (Otot dan urat) E. Capillaries (Kapilari)

2. The process by which plants capture light energy from the sun and convert it into

sugar Proses di mana tumbuhan menangkap tenaga cahaya dari matahari dan mengubahnya menjadi gula A. Chlorophyll (Klorofil) B. Evergreen (Malar hijau) C. Photosynthesis (Fotosintesis) D. Deciduous (Deciduous) E. Pollinated (Terdegradasi)

3. The lightest periodic table element is _____. Elemen yang paling ringan dalam jadual berkala ialah _____. A. Carbon (Karbon) B. Helium (Helium) C. Hydrogen (Hidrogen) D. Nitrogen (Nitrogen) E. Potassium (Kalium)

4. When a singer sings, sounds travels through the air in waves. Which of these will sound also travel through? Apabila seorang penyanyi menyanyi, bunyi bergerak melalui gelombang. Manakah antara berikut bunyi juga boleh bergerak? A. Water (Air) B. Wood (Kayu) C. Metal (Logam) D. All of them (Kesemua di atas) E. None of the above (Tiada seperti di atas)

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5. Which nutrient is essential to build muscles? Nutrien yang manakah penting untuk membina otot? A. Carbohydrate (Karbohidrat) B. Iron (Zat besi) C. Protein (Protein) D. Fat (Lemak) E. Fibre (Serat)

6. Diabetes happens because of problems in which organ of the body?

Kencing manis disebabkan masalah organ badan yang manakah? A. Liver (Hati) B. Heart (Jantung) C. Pancreas (Pankreas) D. Kidneys (Buah pinggang) E. Intestine (Usus)

7. Balancing is very important to dancers. Which part of our body other than our eyes,

plays a big part in helping us keep balance? Keseimbangan adalah sangat penting bagi seseorang penari. Bahagian badan yang manakah selain daripada mata yang memainkan peranan besar dalam mengimbangkan kita? A. Nose (Hidung) B. Ears (Telinga) C. Fingers (Jari) D. Legs (Kaki) E. Arms (Tangan)

8. The sense of sight enable us to gather all these information except

Deria penglihatan membolehkan kita mengumpul semua maklumat kecuali A. shape of objects (bentuk objek) B. colour of objects (warna objek) C. position of objects (kedudukan objek) D. temperature of objects (suhu objek) E. movement of objects (pergerakan objek)

9. Which two of the following are types of energy?

Mana dua yang di bawah merupakan sejenis tenaga?

I. Heat II. Friction III. Light IV. Gravity

A. I & III B. II & IV C. IV D. All of the above (Kesemua di atas) E. None of the above (Tiada seperti di atas)

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10. Which phenomenon shows the effect of inertia? Fenomena manakah yang menunjukkan kesan inersia?

E. All of the above (Kesemua di atas)

QUESTION 11-20 IS 4 MARKS EACH

11. Which of these can make the ground shake violently and can make big destructive waves? Mana satukah di bawah boleh mengegarkan tanah dengan kuat dan menghasilkan gelombang yang membawa kerosakan?

I. Tornado II. Earthquake III. Thunder and lightning IV. Volcano V. Full moon

A. I & III B. II & IV C. IV D. All of the above (Kesemua di atas) E. None of the above (Tiada seperti di atas)

12. Fertilization is a process of combining the male gamete with the female gamete.

Where does the fertilisation take place? Persenyawaan adalah proses menggabungkan gamete lelaki dengan gamete wanita. Di manakah persenyawaan berlaku?

A. Ovary (Ovari) B. Uterus (Uterus) C. Cervice (Servik) D. Fallopian tube (Tiub falopio) E. Vagina (Faraj)

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13. Diagram 1 shows a food web. Rajah 1 menunjukkan suatu siratan makanan.

Diagram 1

Rajah 1

Which organisms are in the second trophic level? Organisma manakah yang berada pada aras trof kedua?

A. Bird, Tadpole (Burung, Berudu) B. Snail, Fish (Siput, Ikan) C. Bird, Fish, Small animals (Burung, Ikan, Haiwan kecil) D. Snail, Tadpole, Small animals (Siput, Berudu, Haiwan kecil) E. Snail, Fish, Tadpole (Siput, Ikan, Berudu)

14. Diagram 2 shows the thinning of ozone layer in the earth’s stratosphere. Rajah 2 menunjukkan penipisan lapisan ozon dalam stratosfera bumi.

Diagram 2

Rajah 2 Which of the following substances causes this phenomenon?

Manakah antara bahan-bahan berikut menyebabkan fenomena ini?

A. Carbon dioxide (Karbon dioksida) B. Nitrogen dioxide (Nitrogen dioksida) C. Sulphur dioxide (Sulfur dioksida) D. Carbon monoxide (Karbon monoksida) E. Chlorofluorocarbon (Klorofluorokarbon)

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15. In classical physics and general chemistry, matter is any substance that has mass and takes up space by having volume. Which of the following is not a characteristic of a metal? Dalam fizik klasik dan kimia umum, perkara adalah bahan yang mempunyai massa dan mengambil ruang dengan jumlah. Antara berikut yang manakah bukan ciri logam?

A. Low melting point (Takat lebur rendah) B. Can conduct electricity (Boleh mengalirkan elektrik) C. Malleable (Mudah ditempa) D. Shiny (Berkilat) E. Ductile (Mulur)

16. Which is the correct pathway of carbon dioxide out of the lungs?

Yang mana satukah menunjukkan laluan bagi karbon dioksida keluar dari paru-paru? A. Trachea > bronchus > bronchioles > alveoli > nose

Trakea > bronkus > bronchioles > alveoli > hidung

B. Alveoli > bronchus > nose > trachea > bronchioles Alveoli > bronkus > hidung > trakea > bronchioles

C. Nostril > alveoli > bronchus > bronchioles > trachea

Nostril > alveoli > bronkus > bronchioles > trakea

D. Alveoli > bronchioles > bronchus > trachea > nose Alveoli > bronchioles > bronkus > trakea > hidung

E. Alveoli > trachea > bronchus > nose > bronchioles

Alveoli > trakea > bronkus > hidung > bronchioles

17. Why do stars seem to twinkle? Mengapakah bintang kelihatan berkelip-kelip? A. They are too hot

Kerana terlalu panas

B. Their size and colour vary Saiz dan warna berubah

C. They are covered with clouds Diselaputi dengan awan

D. Light bends as it passes through layers of atmosphere Cahaya bengkok apabila melalui lapisan atmosfera

E. None of the above (Tiada seperti di atas)

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18. Diagram 3 shows salt X is added into water. Rajah 3 menunjukkan garam X ditambah ke dalam air.

Diagram 3

Rajah 3 What is salt X? Apakah garam X? A. Iron(II) sulphate (Ferum(II) sulfat) B. Copper(II) nitrate (Kuprum(II) nitrat) C. Sodium chloride (Natrium klorida) D. Calcium carbonate (Kalsium karbonat) E. Potassium chloride (Kalium klorida)

19. Diagram 4 shows a man standing on one leg. His weight is 720 N and the surface

area of his shoe is 0.02 m2. Rajah 4 menunjukkan seorang lelaki sedang berdiri di atas sebelah kaki. Beratnya adalah 720 N dan luas permukaan tapak kasutnya adalah 0.02 m2.

Diagram 4

Rajah 4 What is the pressure exerted by the man? Apakah tekanan yang dikenakan oleh lelaki tersebut? A. 14.4 Pa C. 14 400 Pa E. 36 000 Pa B. 28.8 Pa D. 18 000 Pa

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20. Diagram 5 shows two identical balls, P and Q, moving towards each other with a velocity of v and 2v respectively. The collision between the two balls is an elastic collision. Rajah 5 menunjukkan dua biji bola yang serupa, P dan Q, bergerak ke arah satu sama lain dengan halaju masing-masing, v dan 2v. Perlanggaran di antara dua biji bola itu adalah perlanggaran kenyal.

Diagram 5

Rajah 5

Which statement is correct about the elastic collision? Pernyataan manakah yang betul tentang perlanggaran kenyal itu?

A. The momentum of ball P before the collision is equal to the momentum of ball Q

before the collision Momentum bola P sebelum perlanggaran itu adalah sama dengan momentum bola Q sebelum perlanggaran itu.

B. The total momentum before the collision is equal to the total momentum after

the collision Jumlah momentum sebelum perlanggaran itu adalah sama dengan jumlah momentum selepas perlanggaran itu.

C. The kinetic energy of ball P before the collision is equal to the kinetic energy of

ball Q before the collision Tenaga kinetik bola P sebelum perlanggaran itu adalah sama dengan tenaga kinetik bola Q sebelum perlanggaran itu.

D. The total kinetic energy before the collision is not equal to the total kinetic

energy after the collision Jumlah tenaga kinetik sebelum perlanggaran itu tidak sama dengan jumlah tenaga kinetik selepas perlanggaran itu.

E. The total momentum before the collision is not equal to the total kinetic energy

after the collision Jumlah momentum sebelum perlanggaran itu tidak sama dengan jumlah tenaga kinetik selepas perlanggaran itu.

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QUESTION 21-30 IS 5 MARKS EACH

21. Diagram 6 shows a graph of volume of carbon dioxide gas against time. Curve K is obtained from an experiment of excess calcium carbonate chips with 25 cm3 of 0.1 mol dm-3 hydrochloric acid. Rajah 6 menunjukkan graf isipadu gas karbon dioksida melawan masa. Graf K diperoleh daripada tindak balas antara ketulan kalsium karbonat berlebihan dengan 25 cm3 asid hidroklorik 0.1 mol dm-3 .

Diagram 6

Rajah 6

Which of the following solutions will produce curve L when it is reacted with excess of calcium carbonate? Manakah antara larutan-larutan berikut akan menghasilkan graf L apabila bertindak balas dengan kalsium karbonat berlebihan? A. 25 cm3 of 0.15 mol dm-3 hydrochloric acid

25 cm3 asid hidroklorik 0.15 mol dm-3 B. 20 cm3 of 0.15 mol dm-3 hydrochloric acid

20 cm3 asid hidroklorik 0.15 mol dm-3 C. 15 cm3 of 0.15 mol dm-3 hydrochloric acid

15 cm3 asid hidroklorik 0.15 mol dm-3 D. 10 cm3 of 0.25 mol dm-3 hydrochloric acid

10 cm3 asid hidroklorik 0.25 mol dm-3

E. 5 cm3 of 0.15 mol dm-3 hydrochloric acid 5 cm3 asid hidroklorik 0.15 mol dm-3

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22. Two potatoes of equal mass were boiled, one in Gunung Tahan and one in Kuala Lumpur (KL). Where will the potato cook faster and why? Dua biji kentang yang sama jisim direbus, sebiji direbus di Gunung Tahan dan sebiji lagi di Kuala Lumpur (KL). Di tempat manakah kentang akan masak dengan lebih cepat dan kenapa? A. In Gunung Tahan, the higher the altitude the higher the temperature

Di Gunung Tahan, altitud yang lebih tinggi menghasilkan suhu lebih tinggi.

B. In Gunung Tahan, the higher the altitude the lower the temperature Di Gunung Tahan, altitud yang lebih tinggi menghasilkan suhu lebih rendah.

C. In KL, the lower the altitude the higher the temperature

Di KL, altitud yang lebih rendah menghasilkan suhu lebih tinggi.

D. In KL, the higher the altitude the lower the temperature Di KL, altitud yang lebih tinggi menghasilkan suhu lebih rendah.

E. None of the above Tiada seperti di atas

23. There are four things that cells do to maintain homeostasis, Terdapat empat perkara yang dilakukan oleh sel untuk mengekalkan homeostasis,

i. your cells need to be able to obtain and use energy, sel-sel anda perlu mendapatkan dan menggunakan tenaga,

ii. make new cells, buat sel baru,

iii. exchange materials, bahan pertukaran,

iv. eliminate wastes menghapuskan buangan

What is the center for homeostasis control? Apakah pusat kawalan homeostasis?

A. Lungs (Peparu) B. Kidney (Ginjal) C. Brain (Otak) D. Body Temperature (Suhu Badan) E. Hati (Liver)

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24. Pak Man is a beekeeper. One day he was stung by a bee while farming. Which substance can be used to relief the pain caused by the bee sting? Pak Man adalah seorang pembela lebah-lebah. Pada suatu hari dia disengat oleh lebah-lebah ketika sedang berkebun. Bahan manakah yang boleh digunakan untuk melegakan kesakitan yang disebabkan oleh sengatan lebah-lebah?

A. Vinegar (Cuka) B. Lemon (Lemon) C. Shampoo (Syampu) D. Carbonated drink (Minuman berkabonat) E. Ginger (Halia)

25. Table 1 shows the electron arrangement of element S and T. Jadual 1 menunjukkan susunan elektron bagi unsur S dan T.

Table 1 (Rajah 1) What is the formula and the type of bond of the compound formed from the reaction between S and T? Apakah formula dan jenis ikatan bagi sebatian yang terbentuk daripada tindak balas antara S dan T?

Formula/formula Type of bond/ jenis ikatan

A. ST2 Covalent (kovelan) B. S2T Covalent (kovelan) C. ST2 Ionic (ion) D. S2T Ionic (ion) E. ST Ionic (ion)

26. Diagram 7 shows a car with a mass of 1 000 kg moving with an acceleration of 2 ms-2. There is a frictional force of 900 N acting on the car. Rajah 7 di bawah menunjukkan sebuah kereta berjisim 1 000 kg sedang bergerak dengan pecutan 2 m s-2. Daya geseran sebanyak 900 N bertindak ke atas kereta itu.

Diagram 7 (Rajah 7)

What is the force exerted by the engine of the car in Diagram 7? Berapakah daya yang dikenakan oleh enjin kereta dalam Rajah 7?

A. 900 N B. 1 100 C. 2 000 N D. 2 400 N E. 2900 N

Element S Element T 2.4 2.6

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27. Diagram 8 shows three springs arrangements, P, Q and R. All spring used are identical. Rajah 8 menunjukkan tiga susunan spring, P, Q dan R. Semua spring yang digunakan adalah serupa.

Diagram 8

Rajah 8

Which comparison of the length of spring arrangements, P, Q and R is correct when weight of 1 kg is hung? Perbandingan bagi pemanjangan susunan spring, P, Q, R, manakah yang betul apabila beban 1 kg digantung? A. P > Q > R C. R > P > Q E. Q > R > P B. P > R > Q D. R > Q > P

28. A group of students conducted an investigation to estimate the size of the lice population in their school park. Table 2 shows the data obtained from the investigation. Sekumpulan pelajar telah menjalankan satu penyiasatan untuk menganggar saiz populasi kutu kayu di taman sekolah mereka. Jadual 2 menunjukkan data yang diperolehi daripada penyiasatan tersebut.

Capture tangkapan

First capture Tangkapan pertama

Second capture Tangkapan kedua

Number of wood lice Bilangan kutu kayu 296

Marked Ditanda

Unmarked Tidak ditanda

98 202 Table 2 Jadual 2

Calculate the size population of the woodlice. Hitungkan saiz populasi bagi kutu kayu tersebut. A. 609 B. 709 C. 906 D. 970 E .980

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29. Table 3 shows the nutrient content in 100g of various types of food. Jadual 3 menunjukkan kandungan nutrient dalam 100g bagi beberapa jenis makanan.

Food

Makanan Nutrient content

Kandungan nutrien Protein/g Lipid/g Carbohydrate/g Calcium/mg Iron/g

White bread/roti putih

8.0 1.7 54.3 100 1.7

Apple/epal 0.3 0 12.0 4 0.3 Butter/mentega 0.5 82.5 0 15 0.2

Rice/nasi 6.2 1.0 86.8 4 0.4 Eggs/telur 12.3 10.9 50 56 2.1

Table 3 Jadual 3

A student bled and fractured his bone during school sport practice. Based on Table 3, which types of food are suitable for student for fast recovery? Seorang murid mengalami luka dan patah tulang semasa menjalani latihan sukan. Berdasarkan Jadual 3, jenis makanan yang manakah sesuai diambil oleh murid itu supaya cepat sembuh? A. Apple, rice, butter (Epal, nasi, mentega) B. White bread, eggs, rice (Roti putih, telur, nasi) C. Eggs, apple, butter (Telur, epal, mentega) D. White bread, butter, apple (Roti putih, mentega, epal) E. Apple, eggs, rice (Epal, telur, nasi)

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30. Diagram 9 shows the change in the thoracic cavity during the mechanism of breathing in a human. Rajah 9 menunjukkan perubahan di dalam rongga toraks semasa mekanisme pernafasan manusia.

Diagram 9

Rajah 9 Which of the following is not true about process R and S? Yang manakah di antara berikut tidak benar tentang proses-proses R dan S?

R S A. Ribcage move upward and outward

Sangkar rusuk bergerak ke atas dan keluar

Ribcage move downward and inward Sangkar rusuk bergerak ke bawah dan kedalam

B. Diaphragm returns to its original position Difragma ke bentuk asal kubah

Diaphragm lowered and flattened Diafragma rendah dan mendatar

C. Volume of the thoracic cavity increases Rongga toraks bertambah

Volume of the thoracic cavity decreases Rongga toraks berkurang

D. Air flows in udara bergerak masuk

Air flows out udara mengalir keluar

E.

Volume of the thoracic cavity decreases Rongga toraks berkurang

Volume of the thoracic cavity increases Rongga toraks bertambah

END OF QUESTION PAPER

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ANSWERS 1. C 7. B 13. D 19. E 25. A 2. C 8. D 14. E 20. B 26. E 3. B 9. A 15. A 21. C 27. A 4. D 10. D 16. D 22. C 28. C 5. C 11. B 17. D 23. B 29. B 6. C 12. D 18. B 24. A 30. B,E