UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS General Certificate of Education Ordinary Level

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1 **T** * * UNIVERSITY OF MRIGE INTERNTIONL EXMINTIONS General ertificate of Education Ordinary Level HUMN N SOIL IOLOGY 5096/01 Paper 1 Multiple hoice May/June 2008 dditional Materials: Multiple hoice nswer ooklet Soft clean eraser Soft pencil (type or H is recommended) 1 hour RE THESE INSTRUTIONS FIRST Write in soft pencil. o not use staples, paper clips, highlighters, glue or correction fluid. Write your name, entre number and candidate number on the nswer Sheet in the spaces provided unless this has been done for you. There are forty questions on this paper. nswer all questions. For each question there are four possible answers,, and. hoose the one you consider correct and record your choice in soft pencil on the separate nswer Sheet. Read the instructions on the nswer Sheet very carefully. Each correct answer will score one mark. mark will not be deducted for a wrong answer. ny rough working should be done in this booklet. This document consists of 15 printed pages and 1 blank page. I08 06_5096_01/RP ULES 2008 [Turn over

2 1 When fuel burns in the engine of a car, energy is released. Which process that occurs in living organisms is most similar to this? 2 excretion movement nutrition respiration 2 What do all viruses and bacteria have in common? They are parasites. They can exist as chemicals to later infect a host. They contain nucleic acid. They have a nucleus. 3 Which statement about osmosis is true? It is the movement of any molecules from high to low concentration. It is the movement of any gas molecules into a cell. It is the movement of water molecules from a dilute to a concentrated solution. It is the movement of solute molecules into a solvent. 4 The diagrams show four types of organisms. Which is the vector for malaria? head thorax wings one cell animal non cellular mycelium abdomen red blood cell host cell hypha magnification ULES /01/M/J/08

3 5 The arrows represent chemicals entering and leaving the leaf during photosynthesis. 3 X What is chemical X? carbohydrate carbon dioxide oxygen water 6 The diagram shows a carbon cycle. carbon dioxide in atmosphere fossil fuel plants 1 6 dead organic matter animals Which arrows represent processes that cause the carbon dioxide content of the air to increase? 1, 2 and 3 only 3, 4 and 5 only 2, 3, 4 and 5 1, 2, 3 and 5 ULES /01/M/J/08 [Turn over

4 7 The table shows the results of tests carried out on a food sample. 4 test biuret iodine enedict s grease spot result positive positive negative negative What does the food sample contain? fat and reducing sugar fat and starch protein and reducing sugar protein and starch 8 baby fed on cow s milk should also be given orange juice and cod liver oil to provide sufficient calcium and iron. calcium and vitamin. iron and vitamin. vitamin and vitamin. 9 Why should iron be included in the diet of a pregnant woman? for development of strong bones for formation of the baby s red blood cells so that the mother s epidermal cells stay healthy to prevent dental decay in the mother ULES /01/M/J/08

5 5 10 The diagram shows an experiment to investigate the action of salivary amylase. The contents of the tubes were tested with iodine solution after one hour water at 37 1 cm 3 saliva and 5 cm 3 starch solution 1 cm 3 saliva and 5 cm 3 glucose solution 1 cm 3 water and 5 cm 3 starch solution 1 cm 3 boiled saliva and 5 cm 3 starch solution The contents of which tubes will show a brown colour as a result of this test? 1 and 2 1 and 3 2 and 3 3 and 4 11 The diagram shows a section through a villus in the small intestine. Which arrow shows the site of absorption for the named substances? amino acids calcium & vitamin fatty acids & glycerol glucose epithelium blood capillary lacteal ULES /01/M/J/08 [Turn over

6 12 The diagrams show sections through the left side of the heart. 6 In which diagram are the valves shown as they are during the pumping of blood out of the heart by contraction of the ventricle? valves valves valves valves left atrium left atrium left atrium left atrium left ventricle left ventricle left ventricle left ventricle 13 The diagram shows the blood supply of the liver. ileum 1 liver 2 aorta vena cava 3 What are blood vessels 1, 2 and 3? hepatic artery hepatic portal vein hepatic vein hepatic artery hepatic vein hepatic portal vein hepatic portal vein hepatic artery hepatic vein hepatic portal vein hepatic vein hepatic artery ULES /01/M/J/08

7 14 The table shows the composition of blood as it leaves some organs of the body. Which row in the table represents blood leaving the liver? 7 carbon dioxide concentration oxygen concentration urea concentration low high high high low low high low high low high low 15 What changes cause inspiration (breathing in) to take place? diaphragm muscle volume of thorax pressure in thorax contracts decreases increases contracts increases decreases relaxes decreases increases relaxes increases decreases 16 student breathes normally, then takes the deepest possible breath in and then breathes out as much as possible before resuming normal breathing. The graph shows the volume of air breathed into and out of the lungs of this student. 6 5 volume of air in lungs / dm time / seconds What is the vital capacity of the lungs? 0.5 dm dm dm dm 3 ULES /01/M/J/08 [Turn over

8 17 What is mainly responsible for the hardness of bone matrix? 8 calcium phosphate collagen fibres iron compounds protein molecules 18 etween which bones is there a ball and socket joint? humerus and scapula humerus and ulna radius and scapula radius and ulna 19 What cannot pass from the glomerulus into the owman s capsule in the kidney of a healthy person? glucose protein salt urea ULES /01/M/J/08

9 20 Which graph shows the blood sugar level in a diabetic who received an insulin injection? 9 blood sugar level blood sugar level time after injection time after injection blood sugar level blood sugar level time after injection time after injection 21 What makes the skin sensitive to temperature changes? blood capillaries outer epidermis receptor cells sweat glands 22 student is looking at a lorry coming towards him. Which changes occur in his eyes as the lorry gets closer? tension in suspensory ligaments ciliary muscle lens becomes decreases contracts thicker decreases relaxes thinner increases contracts thicker increases relaxes thinner ULES /01/M/J/08 [Turn over

10 10 23 The diagram shows a simple reflex arc. spinal cord W sensory neurone activated pin prick X receptor stimulated Z motor neurone activated Y muscle stimulated What is the order of events? first last X W Z Y X W Y Z Y Z W X Y Z X W 24 Which correctly shows what happens during drug dependence? amount of drug required for person to feel well effect of drug on metabolism of body craving for drug when it has not been taken for a while decreases decreases decreases decreases increases increases increases increases increases increases increases decreases ULES /01/M/J/08

11 11 25 The diagram shows variations in the thickness of the lining of the uterus during the menstrual cycle. t which point does menstruation start? thickness of uterus lining time 26 What is passed through the placenta from the mother to the fetus? amniotic fluid antibodies fibrin glycogen 27 contraceptive pill contains the hormones progesterone and oestrogen. How does this pill prevent conception? changing the length of the menstrual cycle inhibiting menstruation preventing the release of eggs stopping implantation of the embryo 28 Why is coronary heart disease described as a degenerative disease? It is made worse by a vitamin deficiency. It is transmitted by a vector. It becomes worse with time. It is the result of a genetic disorder. ULES /01/M/J/08 [Turn over

12 12 29 What is caused by a diet low in vitamin? lood clots more slowly. alcium ions are not absorbed from the gut. hildren develop sickle cell anaemia. Wounds heal more slowly. 30 How are carriers of typhoid best identified? Examine their skin for signs of a rash. Examine their urine for the presence of bacteria. Take their core temperature to see if they have a fever. Test their faeces for the presence of bacteria. 31 The diagram shows a house in a tropical region. latrine fly-infested refuse long grass pond shallow open well Which diseases are the people living in this house most at risk from as a result of the features shown? cholera malaria ringworm malaria influenza cholera tuberculosis typhoid cholera typhoid cholera malaria 32 Which is a fungal infection? cholera influenza malaria ringworm ULES /01/M/J/08

13 13 33 culture dish containing nutrient agar was inoculated with bacteria. t the same time, one drop of substance X was placed on the plate as shown in diagram 1. no bacterial growth one drop of substance X bacterial growth 1 - before incubation 2 - after incubation What is substance X most likely to contain? antibiotic antibody antiserum bacterial culture 34 Which statement is true for acillus thuringiensis? It breeds inside filter-feeding larvae and kills them. It is a fish that eats the aquatic stages of the mosquito. It is a protozoan that causes a disease in humans. It is used to kill malarial parasites in their host. 35 The diagram shows stages in the life cycle of the mosquito. water surface t which stages would insecticide be effective in controlling the numbers of mosquitoes? 1 and 3 2 and 3 2 and 4 3 and 4 ULES /01/M/J/08 [Turn over

14 14 36 What helped to eliminate smallpox worldwide by vaccination? 1 people were willing to be vaccinated 2 each person received several vaccinations (boosters) 3 smallpox did not infect any other animals The diagram shows a pit latrine. What prevents the latrine from working properly? screen to prevent flies from entering concrete base to stop entry of rats disinfectant to destroy microorganisms sewage permeable (porous) soil to allow drainage ULES /01/M/J/08

15 15 38 What is not used in sewage disposal? chlorination filtration screening sedimentation 39 The disposal of household refuse involves burying the refuse. What does this burying prevent? bacterial action on organic waste flies laying eggs on food scraps food material decomposing the formation of methane gas 40 Events 1 to 4 occur when fertilisers such as nitrates and phosphates are washed into lakes from farmland. 1 massive growth of algae near the surface of the lake 2 aquatic animals die because of anaerobic conditions 3 light cut off from aquatic plants which die 4 plants decomposed by bacteria that respire and use up oxygen in the water What is the order of these events? first last ULES /01/M/J/08

16 16 LNK PGE Permission to reproduce items where third-party owned material protected by copyright is included has been sought and cleared where possible. Every reasonable effort has been made by the publisher (ULES) to trace copyright holders, but if any items requiring clearance have unwittingly been included, the publisher will be pleased to make amends at the earliest possible opportunity. University of ambridge International Examinations is part of the ambridge ssessment Group. ambridge ssessment is the brand name of University of ambridge Local Examinations Syndicate (ULES), which is itself a department of the University of ambridge. 5096/01/M/J/08

UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS General Certificate of Education Ordinary Level HUMAN AND SOCIAL BIOLOGY

UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS General Certificate of Education Ordinary Level HUMAN AND SOCIAL BIOLOGY UNIVERSITY OF MRIGE INTERNTIONL EXMINTIONS General ertificate of Education Ordinary Level HUMN N SOIL IOLOGY 5096/01 Paper 1 Multiple hoice October/November 2005 dditional Materials: Multiple hoice nswer