https://validator.w3.org/feed/docs/rss2.html The diagram below shows a bimetallic strip made of brass and steel .Brass expands more than steel when heated .Use the diagram to answer question 5. The bimetallic strip is heated for some. Which of the diagrams shows the strip immediately after heating? Home Page 2016 Food tests were carried out on a sample of food. The table below shows reagents used in the tests and the results of the tests. What conclusion can be made from the results? 2021 The following are some pre-natal stages of a baby, but not in the correct order. (i)Zygote (ii)Foetus (iii)Morula Which is the correct order of the stages? Which of the elements make up the structure of the substance shown below? The diagram below shows a cross-section of the heart. Its main chambers are labelled 1,2,3and 4. Which two chambers deoxygenated blood? The diagram shows a section through a human eye. What is the function of the part labelled F? An object falls from a tall building and hits the ground before it reaches terminal velocity Which of the following statements is correct about the object? Which of the following is not found in the bio-sphere? Which of the following is digested as the bolus passes along the oesophagus? Which hormone controls the development of a deep voice in boys? The diagram below shows a set-up used to investigate photosynthesis. Which of the following actions will increase the rate at which the gas bubbles are produced? The following are some signs of sexually transmitted diseases. i ii iii iv Which two signs would be observed on a person suffering from gonorrhoea? Which organ in the human digestive system stores bile? Which part of a three pin plug helps to protect the against electric shock? In the diagram below, which arrow line shows the path followed by the ray of light after striking the water? The chart below shows the flow of energy in an ecosystem .The organism in the ecosystem are represented by the letters J,K,L and M. Use the chart to answer question 3. Which the letter represent an omnivore? The diagram below shows a set-up used to investigate one of the factors affecting rusting .Test -tubes W,X,Y and Z are filled with equal amounts of different gases as shown in the diagram .Use it to answer question 39. Which test-tube would have the highestwater level after one month? Which of the following is a renewable source of energy? The structure of an element is shown below. which part is a proton? Which substance is not a raw material in the extraction of iron from its ore? Which of the following is a use of stainless steel? Which of the following quantities is a scalar? Use the information and the diagram below to answer question 40. The set-ups X,Y and Z below were used to investigate the breakdown of hydrogen peroxide to produce oxygen. In each set-up, 100g of raw potatoes of different sizes were reacted with 100ml of hydrogen peroxide. What is the correct order of the rate of breakdown in test-tubesX,Y and Z, starting with the highest? Highest rate………>Lowest rate The diagram below shows a tissue in a plant leaf. Use it to answer question 37.What is the name of the part labelled Z? The diagram below shows some of the apparatus used to prepare oxygen. Use it to answer question 10. Which of the following apparatus can be connected at position X to measure the volume of the gas produced? The diagram below shows two vehicles R and S, moving at the same speed in the same direction as shown by the arrows .Use it to answer question 33. Which statement is true about the air resistance acting on the vehicle? Use the information below to answer question 32.Which twoactivities increase the of dissolving? The table below shows the amount of nutrients and energy required by a non-pregnant woman. Use it to answer question 31. Which of the following amounts of nutrients and energy are most suitable for a pregnant woman? Which of the following is a pair of instruments used to determine the density of an irregularly shaped object? Use the information below to answer question 29. Test-tubeM, NandO?below show the behaivour of calcium, sodium and copper metals when they are put in water. The behaviour of the metals in water is as follows; . calcium reacts slowly with water sodium reacts violently with water copper does not react with water Which metals could be in test-tube M,N and O Test-tubeM NandO? The diagram below shows two hands around a flame. Use it to answer question 27. Through which process does the heat from the flame reach the bottom hand? The diagram below shows a carbon cycle. Use it to answer questions 22 and 23. What is the name of the process represented by the letter J? A pond snail is exposed to different conditions as shown in set-ups E,F,G and H below. Use the set-ups to answer question 19. In which set-up will the snail live longer? The diagram below shows a home located in a certain are. Use it to answer question 18. Which of the following diseases are people living in this area mostlikely to suffer from? Diagram X below shows the iris and the pupil of an eye. Diagram Y shows the same eye after a change in external conditions. Use the diagrams to answer question14. Which external condition caused the change shown in diagram Y Three identical bulbs are connected in different circuit combination as shown in diagrams P,Q,R and S. Use the diagrams to answer question 12. In which of the circuit diagrams would the bulbs show different levels of brightness? Use the information below to answer question 11. A cork is attached to a sinker of volume 25cm3. When the cork and the sinker are both dipped gently into a measuring cylinder containing 50 cm3 of water, the water level rises to 83cm3. What is the volume of the cork? The diagram below shows a set-up of an experiment which was used to investigate diffusion in gases .Nitrogen dioxide is dark brown in colour . The glass plate is removed. Which of the following correctly describe the colour of gas inside the gas jars after the set-up was left for 12hours? The table below shows boiling points of substances P,Q,R and S.. A mixture is composed of substances P,Q.R and S. The mixture is distilled. Which substances would be collected at a temperature of 83C? The graph below shows the change in temperature of a liquid mixture as it cools.br>Use it to answer question 39 Between which two stages does the mixture exist in solid form only ? Which process in the blast furnace removes silicon dioxide from iron ore? Which of the following elements is a non-metal? Use the information below to answer question 36. Iron and sulphur were mixed in a test-tube and then heated. During heating, the contents in the test-tube glowed and continued to do so even after the heat was removed. What conclusion can be made from the observation. The diagram below shows the structure of an allotrope of carbon. Use it to answer question 34. Which physical property does the allotrope have? The symbol of an atom of a certain element is 19/9 Y. What is the arrangement of electrons in the atom? The diagram below shows a cross section of a human heart. Use it to answer question 35. What are the names of the parts labelled Wand X