F3 Science 1 Past Paper PDF October/November 2019

EXAMINATIONS COUNCIL OF ESWATINI Junior Certificate Examination SCIENCE 414/01 Paper 1 Multiple Choice October/Nov...

EXAMINATIONS COUNCIL OF ESWATINI Junior Certificate Examination SCIENCE 414/01 Paper 1 Multiple Choice October/November 2019 1 hour Additional Materials: Multiple Choice Answer Sheet Electronic calculator Soft clean eraser Soft pencil (type B or HB recommended). READ THESE INSTRUCTIONS FIRST Write in soft pencil. Write your Centre number, candidate number and name on the Answer Sheet in the spaces provided unless this has been done for you. There are forty questions on this paper. Answer all questions. For each question there are four possible answers A, B, C and D. Choose the one you consider correct and record your choice in soft pencil on the separate Answer Sheet. Read and follow the instructions on the separate Answer Sheet carefully. Each correct answer will score one mark. A mark will not be deducted for a wrong answer. Any rough work should be done on this Question Paper and not on the Answer Sheet. The total of the marks for this paper is 40. This document consists of 16 printed pages © ECESWA 2019 [Turn over  2 1 Fig. 1.1 shows how Musa measures the external diameter of a ring. wood block ring Fig. 1.1 What is the external diameter of the ring? A 1.3 cm B 3.5 cm C 5.6 cm D 7.7 cm 2 What are the uses of mild steel? A cutlery and kitchen sinks B machinery and car bodies C machinery and chemical plants D surgical instruments and car bodies © ECESWA 2019 414/01/O/N/2019 [Turn over  3 3 A boy accidentally steps on a nail in the garden and he quickly lifts his foot from the nail. What name is given to this response? A stimulus B reflex action C reaction time D voluntary action 4 Which pair of metals A, B, C or D occur in a pure state? A silver and lead B gold and copper C aluminium and iron D potassium and zinc 5 The diagram below shows a beam of light incident on a diverging lens. Which diagram shows the correct path of light rays after passing through the lens? © ECESWA 2019 414/01/O/N/2019 [Turn over  4 6 Fig. 6.1 shows a group of muscle cells. What is the name of the group of cells in the muscles? Fig. 6.1 A organ B tissue C system D organism 7 Which term is used to describe a mixture of oil and water? A solution B miscible C insoluble D immiscible 8 A force has an effect on a body. Which change is not an effect of force on a body? A change in shape B change in size C change in mass D change in speed © ECESWA 2019 414/01/O/N/2019 [Turn over  5 9 Fig. 9.1 shows organisms that are found in different habitats. organism 1 organism 2 Fig. 9.1 To which groups do the organisms belong? organism 1 organism 2 A insect crustacean B crustacean arachnid C arachnid myriapod D myriapod insect 10 Which factor decreases the rate of transpiration in a plant? A increase humidity B increase temperature C increase in light intensity D increase in wind movements 11 A magnet is tied with a cotton thread and suspended horizontally such that it swings freely. In which direction does it come to rest? A east - north direction B north - south direction C south - east direction D west - east direction © ECESWA 2019 414/01/O/N/2019 [Turn over  6 12 Aluminium is used to make food packages. Which property of aluminium makes it suitable for use in food packaging? A is malleable B conducts electricity C resistant to corrosion D has a low boiling point 13 A student wants to view onion cells under a microscope. Which part of the microscope should be adjusted to make the cells clearer? A handle B eyepiece C light source D focusing knob 14 Atoms are made of electrons, protons and neutrons. What is the relative charge of an electron? A +1 B -1 C -2 D 0 © ECESWA 2019 414/01/O/N/2019 [Turn over  7 15 A burning candle is put in a closed bottle. After a few minutes it stops burning. What stops the candle from continuing to burn? A water vapour in the bottle B it is too hot inside the bottle C carbon dioxide in the bottle is used up D oxygen in the bottle has been used up 16 Which cells carry information about the characteristics that are passed on from parents to their offspring? A sex cells B red blood cells C white blood cells D epidermal cells 17 Which statement best describes electric current? A rate of flow of atoms in a conductor B rate of flow of protons in a conductor C rate of flow of neutrons in a conductor D rate of flow of electrons in a conductor © ECESWA 2019 414/01/O/N/2019 [Turn over  8 18 Fig. 18.1 shows apparatus used in the preparation of a gas in a laboratory. hydrochloric acid measuring cylinder water metal Fig. 18.1 Which gas is prepared in Fig. 18.1? A oxygen B nitrogen C hydrogen D carbon dioxide 19 Fig. 19.1 shows a plant cell. What is the name given to this type of cell? Fig. 19.1 A xylem cell B guard cell C palisade cell D root hair cell © ECESWA 2019 414/01/O/N/2019 [Turn over  9 20 A hotel chef wants to buy glasses of wine. He is given different designs to choose from. Which design would be most stable? A B C D 21 Which property is a characteristic of hydrogen? A has a low density B highly flammable C has a choking smell D supports combustion 22 The diagram shows a food chain found in a certain habitat. lettuce snail chicken man Which organism is a producer? A man B snail C lettuce D chicken 23 Zandi is cold and she decides to sit some distance away from a fire place. After sometime she feels warmer. What is the mode of heat transfer from the fire to Zandi? A by radiation only B by convection only C by radiation and convection D by radiation and conduction © ECESWA 2019 414/01/O/N/2019 [Turn over  10 24 A student prepares carbon dioxide in a conical flask. She then pours the gas into a beaker with limewater. The limewater turns milky. Which property of carbon dioxide makes it possible to be poured into the beaker? A is denser than air B dissolves in water C is less dense than air D does not support combustion 25 What is the main function of the phloem in a plant? A site for photosynthesis in a plant B transports water and mineral salts C strengthens and supports the plant D transports sugars made in photosynthesis 26 Fig. 26.1 shows a diagram with ice cubes in water being heated. Heat is applied next to the mouth of the test-tube as shown in Fig. 26.1. water vapour wire gauze Bunsen burner ice cubes Fig. 26.1 What causes the ice at the bottom of the test-tube not to melt? A heat is conducted downwards B the ice is denser than water C convection currents transfer heat upwards D the wire gauze prevents heat from reaching the ice © ECESWA 2019 414/01/O/N/2019 [Turn over  11 27 A student puts a piece of universal indicator paper in lemon juice. The indicator turns orange. Which pH value could be that of lemon juice? A pH 2 B pH 5 C pH 8 D pH 12 28 A boy eats banana for lunch. What will be the product of digestion of the banana in the mouth? A maltose B glucose C fatty acids D amino acids 29 Fig. 29.1 shows a wave diagram. A B C D Fig. 29.1 Which feature A, B, C or D is the amplitude of the wave? 30 Metals are good conductors of electricity. Which statement describes why metals are good conductors of electricity? A they have free protons B they have fixed protons C they have free electrons D they have fixed electrons © ECESWA 2019 414/01/O/N/2019 [Turn over  12 31 In the extraction of iron from iron ore, one of the reactions is: iron(III) oxide + carbon iron + carbon dioxide. Which statement describes reduction in this reaction? A iron(III) oxide loses oxygen B iron(III) oxide gains oxygen C carbon gains oxygen D carbon loses oxygen 32 Which statement describes melting? A Particles move slower and further apart. B Particles expand and occupy more space. C Particles move slower and closely packed. D Particles vibrate faster and leave their fixed positions. 33 Which statement is correct about sound waves? A Sound waves are transverse in nature. B Sound waves are longitudinal in nature. C Waves cannot travel through solids sound. D Sound waves can travel through a vacuum. 34 Which conditions are most suitable for rusting to occur? A oxygen and water B carbon dioxide and water C carbon dioxide and water D oxygen and carbon dioxide © ECESWA 2019 414/01/O/N/2019 [Turn over  13 35 Fig. 35.1 shows an incident ray and a reflected ray. F G H J Fig. 35.1 Which angles must always be equal? A F and G B G and H C H and J D G and J 36 Which element is used to make brass? A tin B iron C zinc D carbon © ECESWA 2019 414/01/O/N/2019 [Turn over  14 37 Fig. 37.1 shows part of the alimentary canal with associated organs. K Fig. 37.1 What is the name of the part labelled K? A stomach B pancreas C small intestine D large intestine © ECESWA 2019 414/01/O/N/2019 [Turn over  15 38 Fig. 38.1 shows a crowbar used to lever up a large stone. M N L Fig. 38.1 Assuming the force is the same as the effort, what are the names of the points labelled L, M and N? L M N A effort load fulcrum B fulcrum load effort C load fulcrum effort D effort fulcrum load 39 Which quantities show the correct composition of air? A 21% oxygen, 78% nitrogen, 0.3% carbon dioxide B 78% oxygen, 21% nitrogen, 0.03% carbon dioxide C 21% oxygen, 78% nitrogen, 0.03% carbon dioxide D 0.03% oxygen, 78% nitrogen, 21% carbon dioxide © ECESWA 2019 414/01/O/N/2019 [Turn over  16 40 The diagram shows a motor neurone. P What is the name of the part labelled P? A axon B nucleus C cytoplasm D cell membrane 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 (ECESWA) 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. © ECESWA 2019 414/01/O/N/2019 [Turn over