1 ! "#$%&'()*+! SM POI LAM (SUWA) IPOH FINAL EXAMINATION 2022 BIOLOGY PAPER 2 DATE: 17.11.2022 TIME: 1145-1230 (45 minutes) Name: ________________________ Reg no: ______________ Class: S1LI, S1HE ___________________________________________________________________________ READ THESE INSTRUCTIONS FIRST 1. Please answer all questions. 2. This paper consists of 40 multiple choice questions. 3. Please answer in OMR sheet provided. 4. The total mark of this paper is 40%. This paper consists of 15 printed pages. Prepared by ： ……………………… (MS. WONG YAO WEN) Checked by： ………………… (MR. LOKE WAI CHUAN) Do not turn this page unless you are told to do so.
2 1. The table shows four substances and the parts of the plant to which they are transported. Substance Part of plants 1 Amino acids Flower buds 2 Carbon dioxide Leaf cells 3 Sucrose Root cells 4 Water stomata Which are examples of translocation? A. 1 B. 1 and 3 C. 2 and 4 D. 3 and 4 2. Which conditions of humidity, light and temperature make transpiration the slowest? Humidity/ % Light intensity Temperature (℃) A 10 High 4 B 10 Low 14 C 80 High 14 D 80 Low 4 3. What is the description of transpiration? A. Exchange of gases between the leaf and atmosphere B. Loss of water vapour from the leaves and stems of a plant C. Movement of water from roots to leaf D. Movement of water through the cells of leaf 4. What could increase the rate of water uptake by a shoot? A. Cover the shoot with a black plastic bag B. Cover the shoor with a clear plastic bag C. Remove the leaves from the shoots D. Shining bright light to the shoots
3 5. The table shows the rate of water flow through a tree over 12 hours period. Time of the day Rate of water flow/ cm per hour 7:00 100 9:00 120 11:00 140 13:00 250 15:00 300 17:00 260 19:00 180 What conclusion can be drawn from the table? A. Between 7:00 and 17:00, the rate of flow continuously increases B. The greatest increase in rate of flow in two-hour period is between 11:00 to 13:00 C. Water does not flow up a tree at night D. Water flow is affected by humidity 6. Some liquid is collected from xylem in the stem of a plant. What is present in the liquid? A. Cellulose B. Inorganic ions C. Starch D. Sugar 7. How many times does the blood pass through the heart on its way from kidney to aorta? A. One B. Two C. Four D. More than four
4 8. The plan shows the blood system of a mammal. What does X represent? A. Heart B. Kidney C. Liver D. Lungs 9. Which describes the aortic valve and bicuspid valves when the left ventricle is relaxing? Aortic valve Bicuspid valve A Closed Closed B Closed Open C Open Closed D Open Open 10. What shows the sequence of organs through which urea passes as it travels from where it is produced to where it is removed from the blood?
5 11. The photograph shows two blood cells, X and Y. What are the functions of cells X and Y? X Y A Phagocytosis Carry oxygen B Carry oxygen Produce antibodies C Produce antibodies Carry carbon dioxide D Produce antibodies Carry oxygen 12. Which blood vessel has a high carbon dioxide concentration, low oxygen concentration and high blood pressure? A. Aorta B. Pulmonary artery C. Pulmonary vein D. Vena cava 13. During the process of blood clotting, damage to blood vessels stimulates L, and M is converted to N. What are L, M and N? L M N A Fibrin Platelets Fibrinogen B Fibrinogen Platelets Fibrin C Platelets Fibrin Fibrinogen D Platelets Fibrinogen Fibrin X Y
6 14. The diagram with the structure labelled X shows a bacterium with proteins on its surface. The diagram labelled Y shows proteins made by the human body. Which row shows the correct combination for destroying the bacterium? Name of X Name of Y Correct shape of Y A Antigen Antibody B Antibody Antigen C Antigen Antibody D Antibody Antigen 15. Which of the following is not example of active immunity? A. Infection B. Vaccination C. Breastfeeding D. COVID-19 infection 16. Which of the following is not a transmissible disease? A. Meningitis B. Cancer C. AIDS D. COVID-19 17. From the graph, when did the person begin a period of vigorous exercise after resting?
7 18. What are the functions of the diaphragm and the cilia in the human gas exchange system? Diaphragm Cilia A Contracts to cause breathing in Carry mucus to throat B Contracts to cause breathing out Trap bacteria in air C Relaxes to cause breathing in Filter dust from air D Relaxes to cause breathing out Produce mucus 19. A girl holds her breath for 30 seconds, breathes out, and then breathes in. Compared with the air she breathes out, the air she breathes in contains less A. carbon dioxide and water vapour. B. nitrogen and water vapour. C. oxygen and carbon dioxide. D. oxygen and nitrogen. 20. Which substance is lost from the body by the kidneys, lungs and skin? A. carbon dioxide B. excess ions C. urea D. water 21. Which row is correct for anaerobic respiration? Amount of energy released per glucose molecule Chemical reaction Releases carbon dioxide A High Always the same Sometimes B Low Different in different organisms Sometimes C High Different in different organisms Always D Low Always the same Always
8 22. In an experiment to investigate anaerobic respiration, two bottles are set up in a warm room, as shown in the diagram. What would happen to each balloon after one day? 23. An athlete runs a race. The graph shows how the concentration of lactic acid in his leg muscles changes. For how long did the athlete run? A. 2 minutes B. 4 minutes C. 6 minutes D. 10 minutes
9 24. The diagram shows two experiments on the gaseous exchange in small aerobic crustaceans. Soda-lime absorbs carbon dioxide. Which way does the liquid marker move? P Q A Left Right B Left Stay still C Right Left D Right Stay still 25. Blood is filtered in the kidneys. After this filtration, some substances are reabsorbed into the blood and other substances pass out of the body in the urine. Which line shows the correct movement of substances in a healthy person? Substances reabsorbed into the blood Substances pass out of the body in urine A Glucose, some salts, urea Glucose, some salts, some water B Glucose, some salts, some water Some salts, some water, urea C Some salts, some water, urea Glucose, some water, urea D Some salts, some water, urea Glucose, some salts, some water 26. Which row shows substances that are present in each of these structures in a healthy person? Renal artery Renal vein Ureter Bladder A Glucose Glucose Salts Urea B Protein Salts Water Protein C Salts Water Protein Water D Urea Glucose Protein Salts
10 27. Which function does not occur in the kidneys? A. breakdown of alcohol B. removal of excess salts from the blood C. removal of excess water from the blood D. removal of urea from the blood 28. The diagram shows a kidney and its blood vessels. In a healthy person, which structures transport glucose? A. artery only B. artery and ureter C. artery and vein D. ureter and vein 29. Where are hormones removed from the blood and broken down in the human body? A. gall bladder B. kidneys C. liver D. stomach 30. A bright light suddenly shines into a person’s eyes. What happens? A. The lenses become more concave. B. The lenses become more convex. C. The pupils become larger. D. The pupils become smaller.
11 31. The diagram shows the apparatus used to investigate the effect of light on the growth of three plant shoots. Which diagram shows the likely result after one day? 32. The diagram shows a neurone carrying an impulse. Which row describes the type of neurone and the direction of impulse? Type of neurone Direction of impulse A Motor Towards the spinal cord B Motor Away from spinal cord C Sensory Towards the spinal cord D Sensory Away from spinal cord
12 33. The diagram shows blood vessel P which carries digested food from the small intestine to the liver. Which row describes the level of glucose in blood vessel P and the level of glycogen in the liver, shortly after a meal containing carbohydrates? Glucose in blood vessel P Glycogen in liver A High Decreasing B High Increasing C Low Decreasing D Low Increasing 34. The diagram shows a section through part of the human eye. When a person looks at an object which is close to their eye, which of the following takes place? Suspensory ligaments Lens A Slacken Fatter B Slacken Thinner C Tighten Fatter D Tighten Thinner
13 35. The diagram represents some human organs and their blood vessels. Immediately after taking an alcoholic drink, how would the levels of alcohol compare in blood vessels P, Q and R? P Q R A High Medium High B Medium High Low C Low Low Medium D High Low Low 36. The graph shows the effects of an antibiotic treatment on bacterial populations in blood. What conclusion can be drawn from the graph? A. Antibiotics are effective against viral and bacterial infections. B. Antibiotics cause reduction division in bacteria C. Antibiotics take ten days to kill all bacteria D. Before the start of antibiotic treatment the bacterial population was rising
14 37. Which method of birth control works by preventing an egg from being released? A. condom B. contraceptive pill C. rhythm method D. vasectomy 38. The graphs show changes that occur in a woman during the menstrual cycle. Which statement is supported by evidence in the graphs? A. A large increase in progesterone concentration always results in thickening of the uterus lining. B. At ovulation, the uterus lining is at its thickest. C. Each time the oestrogen concentration rises, the uterus lining becomes thicker. D. Within 5 days of ovulation, the uterus lining gets thinner. 39. In addition to a suitable temperature, what else is always necessary for seed germination? A. carbon dioxide and sunlight B. mineral ions C. sunlight and water D. water and oxygen
15 40. The diagram shows a timeline of a woman’s menstrual cycle, which lasts for 28 days. On which days of the menstrual cycle is a woman most likely to become pregnant? A. days 1-4 B. days 7-10 C. days 13-16 D. days 20-23
