Integrated Science Final Examination

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Cheung Sha Wan Catholic Secondary School F.3 Integrated Science Final Examination(2010-11) Date: 7th June, 2011
Name: __________________ Class: _________

Time allowed : 1¼ hours
Class no.: _________

INSTRUCTIONS The total mark of this paper is 100. Answer ALL questions for Sections A and B. For Section A, write down your answers on the multiple choice answer sheet using an HB pencil only. You should use approximately 20 minutes for this part. For Section B, write down your answers in the spaces provided on the answer sheet (p. 6-11). You should use approximately 55 minutes for this part. Bonus marks will be awarded for questions in Section C. Write down your answers in the spaces provided on the answer sheet(p.12). For all drawings, please use HB pencil and ruler(if necessary). Please return BOTH the multiple choice answer sheet and the answer sheet after the examination.

CSWCSS F.3 Integrated Science Final Examination(2010-11)

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Section A: Multiple Choice Questions (40 marks)
All questions carry equal marks. Answer ALL questions. Write your answers on the multiple choice answer sheet using an HB pencil only. You should mark only ONE answer for each question. If you mark more than one answer, you will receive NO MARKS for that question. No marks will be deducted for wrong answers. 1. The following are some processes occurring in humans. proteins in a meal (1) proteins in the mouth (2) amino acids in the small intestine (3) amino acids in the blood vessels (4) amino acids in the body cells What are the processes (1) to (4)? (1) (2) A. absorption assimilation B. assimilation absorption C. ingestion absorption D. ingestion digestion 2.

Which of the following statements about peristalsis is INCORRECT? A. It takes place in the oesophagus. B. It is under voluntary control. C. It is stimulated by dietary fibre. D. It refers to the periodic contraction and relaxation of the smooth muscles along the alimentary canal. Which of the following is NOT the physical digestion? A. chewing by teeth B. churning in the stomach C. peristalsis along the alimentary canal D. breakdown of lipids into glycerol and fatty acids Which of the following produces digestive enzymes? (1) salivary gland (2) liver (3) gastric gland A. (1) and (2) only B. (1) and (3) only C. (2) and (3) only D. (1), (2) and (3) only

3.

4.

CSWCSS F.3 Integrated Science Final Examination(2010-11)

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(3) digestion ingestion digestion absorption

(4) ingestion digestion assimilation assimilation

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5.

Which of the following is the most abundant metal in the Earth’s crust? A. Aluminium B. Oxygen C. Iron D. Silicon Which of the following diagrams can represent a mixture of two elements? (In these diagrams, and represent a nitrogen atom and an oxygen atom respectively.)

6.

7.

Which of the following is a chemical property of carbon dioxide? A. It is a colourless gas. B. It is denser than air. C. It can be cooled to make dry ice. D. It turns limewater from colourless to milky. Which of the following is NOT a physical change? A. Electrolysis of water to give hydrogen and oxygen B. Dissolving salt in water to give a salt solution C. Condensing water vapour to water D. Melting of wax in a burning candle

8.

9. The correct chemical symbols for gold, silver and copper are: Silver Copper Gold A. Go Si Co B. Au Ag Cu C. Go Ag Cr D. Au Si Cu 10. Consider the following properties of three elements, X, Y and Z. Element Melting Boiling Electrical point (°C) point (°C) conductivity 959 2 850 good conductor X –7 58 non-conductor Y –210 –196 non-conductor Z Which of the following statements are correct? (1) Element X is a metal. (2) Element Y is a non-metal. (3) Element Z is a gas at room temperature and pressure. A. (1) and (2) only B. (1) and (3) only C. (2) and (3) only D. (1), (2) and (3)

CSWCSS F.3 Integrated Science Final Examination(2010-11)

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11. A student found a pair of scissors in his drawer. He...
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