CHS 2016 Bio Prelim P1 QP

Name: Index Number: Class: CATHOLIC HIGH SCHOOL Preliminary Examination 3 Secondary 4 BIOLOGY 5158/01 Paper 1 Multiple Choice Friday 16 September 2016 1 hour Additional Materials: Multiple Choice Answer Sheet READ THESE INSTRUCTIONS FIRST Write in soft pencil. Do not use staples, paper clips, glue or correction fluid. Write your name, index number and class on the Answer Sheet in the spaces provided unless this has been done for you. DO NOT WRITE ON THE MARGINS. There are forty questions on this paper. Answer all questions. For each question there are four possible answer A, B, C and D. Choose the one you consider correct and record your choice in soft pencil on the separate Answer Sheet. Read the instructions on the Answer Sheet very carefully. Each correct answer will score one mark. A mark will not be deducted for a wrong answer. Any rough working should be done in this booklet. The use of an approved scientific calculator is expected, where appropriate. For examiner’s use only: Paper 1 / 40 The number of marks is given in brackets [ ] at the end of each question or part question. This paper consists of 15 printed pages. [Turn over 83 This paper consists of This paper consists of 155printed pages.printed pages trendylinemarks is given in brackets [ ] at the end of each questioarks is given in brackets [ ] at the end o trendyline

1 The shaded area of the diagram represents structures found in both plant and animal cells. Which cell structure is from the shaded area? A cell membrane B cell wall C chloroplast D large vacuole 2 What is the correct order of increasing size of the following structures, from smallest to largest? A chromosome → liver → white blood cell B chromosome → white blood cell → liver C liver → chromosome → white blood cell D white blood cell → liver → chromosome 3 Which row describes a root hair cell? allows water to pass into the plant increases the surface area of the root loses water by transpiration A 9 9 9 B 9 9 8 C 9 8 9 D 8 9 9 4 The diagram shows an experiment on osmosis. Which arrow shows the direction of the net movement of water at the start of the experiment? 84

5 The graph shows the effect of oxygen concentration on the uptake of nitrate ions from the soil into a root hair cell. What can be concluded from this information? A Nitrate ions enter the root hair cell by active transport. B Nitrate ions enter the root hair cell by osmosis. C Nitrate ions leave the root hair cell by diffusion. D Nitrate ions leave the root hair cell in low oxygen concentrations. 6 Which biological molecules always contain the element nitrogen? A amino acids, cellulose, DNA B amino acids, DNA, lipids C enzymes, plasma proteins, DNA D membrane proteins, starch, lipids 7 Amylase solution is tested with Benedict’s solution, biuret solution and iodine solution. Which colours are obtained? Benedict’s solution biuret solution iodine solution A blue blue blue-black B blue blue brown C blue purple brown D red purple blue-black 85 trendyline

8 The diagrams show a protease enzyme catalysing the breaking of part of a protein molecule into smaller pieces. Which diagram has three correct labels? 9 Which graph shows the effect of temperature on the activity of an enzyme? 86

10The diagram shows a fat globule (P) in one part of the alimentary canal and the same globule (Q) as it appears in another part of the alimentary canal. In which parts of the alimentary canal are P and Q found? P Q A duodenum stomach B ileum oesophagus C oesophagus ileum D rectum ileum 11The diagram shows a villus. The arrows show the direction of flow within vessels associated with the villus. Which vessel carries blood to the liver? 12Which row shows what happens in photosynthesis? energy conversion immediate product of photosynthesis storage product of photosynthesis A chemical energy to light energy glucose starch B chemical energy to light energy starch glucose C light energy to chemical energy glucose starch D light energy to chemical energy starch glucose 87 trendylineof photosynthesishotos of emical energy to light energyemical energy to light energy glucoseglucose td liyeemical energy to light energymical energy to light energy starcharch yeht energy to chemical energyenergy to chemical energy glucoseglucoseyeht energy to chemical energy starch yyyye

13For the stomata of a leaf to open, the guard cells accumulate more potassium ions than the surrounding cells. Which row describes what happens? movement of potassium ions movement of water in relation to guard cells final state of the guard cells A active transport in turgid B active transport out flaccid C diffusion in plasmolysed D diffusion out no change 14The graph shows how the rate of photosynthesis of a plant varies with light intensity at two different carbon dioxide concentrations. The temperature is kept constant at 20°C. Which factor is limiting the rate of photosynthesis at point X? A availability of chlorophyll B availability of water C concentration of carbon dioxide D intensity of light 88 trendyline

15The diagrams show a cylindrical net packed with rubber balloons full of air. The structure is used by a teacher to explain wilting. What is represented by the parts of the structure shown? air balloons net rubber A cells cell sap cell walls epidermis B cell sap cells epidermis cell walls C cell walls epidermis cell sap cells D epidermis cell walls cells cell sap 16Which feature is a leaf adaptation for living in the desert? A large size B many stomata C rolled along its length D thin waxy cuticle 17The diagram shows the movement of blood through a tissue. At which labelled point is the pressure highest? 89 trendyline

18The diagram shows arteries and veins in the human forearm. Which statements apply to a vein in the human forearm? carries oxygenated blood has valves blood is returning to the heart A 9 9 8 key B 9 8 8 9 = yes C 8 9 9 8 = no D 8 8 9 19The graph shows pressure changes in the left atrium and in the left ventricle during one heartbeat. What is the state of the valves in the heart at time X? left atrio-ventricular valve (bicuspid) semi-lunar valve (in aorta) A closed closed B closed open C open closed D open open 90 trendylinet atrioa-ventricular valve (bicuspid)(bicuspid) semi--lunar valveluna (in aorta)(in aorta) d eclosedosed closedclosed trendddylineed eclosedosed openoped eopen closed

20Some factors associated with coronary heart disease are listed. 1 high blood pressure 2 high intake of fruit and vegetables 3 high intake of saturated fats 4 low blood cholesterol 5 low intake of processed foods Which factors decrease the risk of coronary heart disease? A 1, 2 and 3 B 1, 3 and 5 C 2, 3 and 4 D 2, 4 and 5 21The diagram represents some of the muscles involved with breathing. Which muscles are contracting during breathing in? A P and Q B Q and R C P and R D P, Q and R 22What helps oxygen to be absorbed rapidly into the blood in the lungs? A Air breathed in has less oxygen than air breathed out. B Alveoli have thick walls and a large surface area. C Alveoli have thin walls and a large surface area. D The concentration of oxygen in the blood is higher than in the alveoli. 91 trendyline

23The diagram shows changes in the volume of a person’s lungs over a period of two minutes. What could cause the change in the pattern of the graph between points X and Y? A changing from running to walking B changing from walking to running C increased frequency of contractions of the internal intercostal muscles D increased strength of contractions of the internal inte