CHIJ St Nicholas 2016 Bio Prelim P1 QP

2 5158/01/Prelim/2016 1. Which of the following correctly identifies the level or organisation of these components of the human body? 1) blood 2) brain and spinal cord 3) eye 4) ovum cell tissue organ organ system A 1 4 2 3 B 1 4 3 2 C 4 1 2 3 D 4 1 3 2 2. The diagram shows parts of an animal cell. What is the order in which the various organelles are involved when the cell secretes a peptide hormone? A6 Æ 2 Æ 4 Æ 1 B6 Æ 3 Æ 2 Æ 1 C5 Æ 3 Æ 4 Æ 1 D5 Æ 6 Æ 2 Æ 1 125 trendylineee?? ÆÆ1 ÆÆ1 Æ1

3 5158/01/Prelim/2016 3. The diagram shows 4 cells with different solute concentrations. Which of the following correctly states what would happen in the cells immediately after they were placed next to each other? 1) Solutes would move from cell 1 to cell 4 via diffusion 2) Solutes would move from cell 4 to cell 1 via diffusion 3) Water would move from cell 2 to cell 3 via osmosis 4) Water would move from cell 3 to cell 2 via osmosis A1 and 2 C2 and 3 B1 and 4 D3 and 4 4. The diagram shows the appearance of a plant cell in an isotonic solution. Which of the following best illustrates the cell after it was immersed in a hypertonic solution for 15 minutes? 126 y

4 5158/01/Prelim/2016 5. Which of the following statements are true about the importance of water in the human body? 1) Acts as reactant in hydrolysis 2) Aids in transport of carbon dioxide 3) Enables survival in extreme cold 4) Protects growing foetus A1 and 2 C1, 2 and 4 B2 and 3 D2, 3 and 4 6. Two different patients with different medical conditions are shown below: Patient X: gall bladder removal surgery due to gallstones Patient Y: kidney failure due to long-term diabetes Which of the following correctly shows the results of food tests performed on the urine and faecal sample of these two patients? Benedict’s test Biuret test Ethanol emulsion test X Y X Y X Y A + + + + + + B + - + - - - C - + - + + - D - - - - + - +: positive result –: negative result 7. The diagram shows changes made to a nutrient present in the human body. Which of the following substances may play a role in causing this change? 1) amylase 2) insulin 3) glucagon 4) lipase A1 and 2 C2 and 3 B1 and 3 D2 and 4 127 n gongon CC trendyline2 and 3

5 5158/01/Prelim/2016 8. Which of the following graphs represents the effect on temperature, enzyme concentration and pH respectively on enzyme activity? temperature enzyme concentration pH A B C D 9. Which function of the liver is correctly paired with the chemical involved? function chemical A deamination glycogen B detoxification alcohol C excretion urea D storage starch 128 trendyline

6 5158/01/Prelim/2016 10.The diagram shows an investigation about the action of digestive enzymes. Which of the following substances when added inside the beaker will cause the greatest reduction in the length of the egg white strip? Apepsin + distilled water Bpepsin + hydrochloric acid Cboiled pepsin + distilled water Dboiled pepsin + hydrochloric acid 11.The g