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Transcript

  • 1. SATs Revision quiz
  • 2. Which part of a plant cell is made of cellulose?
    • Answer
    • Cell wall
  • 3. Name the three parts of an animal cell?
    • Answers
    • Cell membrane
    • Cytoplasm
    • Nucleus
  • 4. Name three organelles only found in plant cells?
    • Answers
    • Cell wall
    • Chloroplasts
    • Vacuole
  • 5. How do root cells differ from leaf cells?
    • Answer
    • Chloroplasts
  • 6. What would plant cells be unable to do without chloroplasts?
    • Answer
    • Photosynthesis
    • Make glucose for energy
  • 7. Which part of the cell is described as the control centre?
    • Answer
    • Nucleus
  • 8. What would happen to a plant if it lost water from its vacuole?
    • Answer
    • It would wilt
  • 9. Where in the cell do you find the cell sap?
    • Answer
    • The vacuole
  • 10. Which parts of an animal cell have a membrane surrounding them?
    • Answers
    • The cell (cell membrane)
    • The nucleus (nuclear membrane)
  • 11. Match the cell to the activity?
    • Question Movement
    • Answer Muscle
    • Question Carrying oxygen
    • Answer Red blood cell
    • Question Carrying water
    • Answer Xylem
    • Question Sensitivity
    • Answer Nerve
  • 12. Which class of food provides materials for body building?
    • Answer
    • Proteins
  • 13. Give two foods rich in proteins
    • Answer
    • Fish
    • Meat
  • 14. Which class of food is easy to store in the body as an energy reserve?
    • Answer
    • Fat
  • 15. Which is the main class of food found in bread?
    • Answer
    • Carbohydrate
  • 16. Which is the main class of food found in chicken?
    • Answer
    • Protein
  • 17. Which is the main class of food found in butter?
    • Answer
    • Fat
  • 18. Why can food be described as our fuel?
    • Answer
    • Because we use it to release energy
  • 19. Explain why milk can described as an all- purpose food source?
    • Answer
    • Because it contains protein, carbohydrate, fat, minerals, vitamins and water.
  • 20. What class of food might cause malnutrition and make you overweight?
    • Answer
    • Fat
  • 21. Why might a person with a job involving a lot of muscular effort need more carbohydrate?
    • Answer
    • For more energy
  • 22. Sailors who went on long voyages in the 18 th Century suffered from scurvy, why?
    • Answer
    • Lack of vitamin C from fresh citrus fruit
  • 23. What is starvation?
    • Answer
    • This is when you do not have enough food to provide the body with energy
  • 24. What is malnutrition?
    • Answer
    • This is where you are not eating a balanced diet giving you all your daily requirements
  • 25. What happens to food when it is digested?
    • Answer
    • It is broken down into small food units such as glucose, amino acids or fatty acids
  • 26. Why does food have to be digested?
    • Answer
    • To make it soluble so that it can pass into the blood
  • 27. What is used in chemical digestion that is not used in mechanical digestion?
    • Answer
    • Digestive enzymes
  • 28. In humans, where does mechanical and chemical breakdown occur at the same time ?
    • Answer
    • In the mouth
  • 29. Why are red blood cells important?
    • Answer
    • They carry oxygen to cells around the body
  • 30. What useful materials does plasma carry to the cells?
    • Answer
    • Digested foods, vitamins, minerals and hormones
  • 31. How is blood used in getting rid of waste?
    • Answer
    • It transports urea to the kidneys and carbon dioxide to the lungs
  • 32. Give two ways in which blood protects you against disease?
    • Answer
    • White blood cells fight infection and platelets clot wounds
  • 33. List the jobs carried out by the skeleton?
    • Answer
    • Protection
    • Movement
    • Support
  • 34. What features are needed by all skeletons for them to be able to move?
    • Answer
    • Joints
  • 35. How does a ball and socket joint work?
    • Answer
    • It has multidirectional movement
  • 36. How does a hinge joint work?
    • Answer
    • It only has movement in one plane only
  • 37. What is the job of the ligaments?
    • Answer
    • They hold the bones in place
  • 38. What is the job of the tendons?
    • Answer
    • They join muscle to bone
  • 39. Give an example of a flexor muscle and explain?
    • Answer
    • The bicep it bends the arm
  • 40. Why are muscles arranged in antagonistic pairs?
    • Answer
    • This is because one pulls one way and the other pulls the other way
  • 41. Why is it an advantage for an animal to move?
    • Answer
    • To be able to search for food and escape from danger
  • 42. Where are human eggs stored before being released?
    • Answer
    • In the ovaries
  • 43. How many sperm are needed to fertilise an egg?
    • Answer
    • one
  • 44. Where does fertilisation take place?
    • Answer
    • In the oviduct
  • 45. What happens to the lining of the uterus just before the eggs are released?
    • Answer
    • It becomes richly supplied with blood
  • 46. What happens to an egg if it is not fertilised?
    • Answer
    • It passes out of the vagina with the lining of the uterus (menstruation)
  • 47. How long is a complete menstrual cycle in a woman?
    • Answer
    • About 28 days
  • 48. What is the job of the amnion?
    • Answer
    • It protects the embryo from jolts and bumps
  • 49. What joins embryo to the placenta?
    • Answer
    • The umbilical cord
  • 50. What signs of puberty are the same for both boys and girls?
    • Answer
    • Pubic hair
    • Hair under the armpits
    • Increase in growth rate
  • 51. When does puberty begin for most girls?
    • Answer
    • Between 12 and 14
  • 52. When does puberty begin for most boys?
    • Answer
    • Between 13 and 15
  • 53. Describe two changes to boys during adolescence?
    • Answer
    • The voice deepens
    • Pubic hair grows
    • Shoulders broaden
    • Penis enlarges
    • Hair under armpit
    • Testes enlarge
  • 54. In the lungs,which gas is taken into the blood?
    • Answer
    • Oxygen
  • 55. In the lungs,which gas is taken out of the blood?
    • Answer
    • Carbon dioxide
  • 56. State the features of the alveoli that make them good at their job?
    • Answer
    • Moist
    • Thin single celled wall
    • Large surface area
    • Rich supply of blood
  • 57. What is the name of the process by which gases pass in and out of blood capillaries?
    • Answer
    • Diffusion
  • 58. Name three lung diseases caused by smoking?
    • Answers
    • Bronchitis
    • Emphysema
    • Cancer
  • 59. Describe the lungs natural way of cleaning themselves?
    • Answers
    • Cilia trap dust and particles and prevent them from reaching the alveoli
  • 60. What happens to the lungs of smokers?
    • Answers
    • Cilia cannot trap dust and particles because the nicotine prevents the cilia from working properly
  • 61. Name a disease caused by the tar in cigarettes?
    • Answers
    • Cancer
  • 62. How can smokers damage the health of non-smokers?
    • Answers
    • Tobacco smoke can be inhaled by anyone near a smoker and cause lung cancer
  • 63. What is the difference between the terms respiration and breathing?
    • Answers
    • Respiration is the chemical release of energy
    • Breathing is the physical exchange of gases at a breathing surface by diffusion
  • 64. Where does respiration take place?
    • Answer
    • In all living cells
  • 65. State two ways in which aerobic respiration differs from anaerobic respiration?
    • Answers
    • Aerobic respiration uses more oxygen than anaerobic respiration
    • Aerobic respiration releases more energy
  • 66. Where does respiration take place?
    • Answer
    • In all living cells
  • 67. Name a breathing surface that some animals use instead of lungs?
    • Answers
    • Gills (fish)
    • Skin (frog)
  • 68. What chemical carries oxygen in the red blood cells?
    • Answer
    • Haemoglobin
  • 69. What is meant by diffusion?
    • Answer
    • A random movement of molecules from high concentration to low concentration
  • 70. Complete the word equation Oxygen + Haemoglobin  ?
    • Answer
    • Oxyhaemoglobin
  • 71. How much oxygen in the air breathed in?
    • Answer
    • 21%
  • 72. How much oxygen in the air breathed out?
    • Answer
    • 16%
  • 73. How much carbon dioxide in the air breathed in?
    • Answer
    • 0.04%
  • 74. How much carbon dioxide in the air breathed out?
    • Answer
    • 5%
  • 75. Why is it dangerous to drive a car after alcohol?
    • Answer
    • Alcohol slows down the reactions of the body
  • 76. What is meant by the word drug?
    • Answer
    • A chemical that alter behaviour and chemical reaction within the body
  • 77. What is meant by the the term addiction?
    • Answer
    • This is when a person becomes so dependent on a drug that their health and behaviour depend on that drug
  • 78. Which system of the body is affected by all drugs?
    • Answer
    • The nervous system
  • 79. What types of cells are responsible for natural immunity?
    • Answer
    • White blood cells
  • 80. What do these cells produce to react with antigens found on the microbes?
    • Answer
    • Antibodies
  • 81. What is meant by the term pathogen?
    • Answer
    • A disease causing microbe
    • Example: bacteria, viruses and some fungi
  • 82. Give the name of common childhood disease that rarely causes the disease twice?
    • Answer
    • Chikenpox
  • 83. Name two diseases that can be avoided by immunising with a weakened microbe?
    • Answers
    • Tuberculosis
    • Rubella
    • Polio
  • 84. Name two diseases that can be avoided by immunising with a dead microbe?
    • Answers
    • Whooping cough
    • Cholera
  • 85. What disease has been totally eliminated from the world as a result of mass immunisation?
    • Answer
    • Smallpox
  • 86. What does an antigen react with to produce immunity?
    • Answer
    • An antibody
  • 87. Name three chemicals needed for photosynthesis?
    • Answers
    • Carbon dioxide
    • Water
    • Chlorophyll
  • 88. What is the main energy change in photosynthesis?
    • Answer
    • Light energy to chemical energy
  • 89. Which of the chemicals needed for photosynthesis are found in the soil?
    • Answer
    • Water
  • 90. Which of the chemicals needed for photosynthesis are found in the air?
    • Answer
    • Carbon dioxide
  • 91. Give two examples of plant organs?
    • Answers
    • Leaf
    • Stem
    • Root
    • Flower
  • 92. What has to happen to a cell before it grows into a tissue?
    • Answers
    • It has to divide
  • 93. What do we call the change from solid to liquid?
    • Answers
    • Melting
  • 94. What do we call the change from liquid to a gas?
    • Answers
    • Evaporation (boiling)
  • 95. What do we call the change from gas to liquid?
    • Answers
    • Condensation
  • 96. What do we call the change from liquid in to a solid
    • Answers
    • Freezing (solidification)
  • 97. When salt dissolves in water it forms a ?
    • Answers
    • Solution
  • 98. The salt that dissolves is called ?
    • Answers
    • Solute
  • 99. The water that the salt dissolves in is called the?
    • Answers
    • Solvent
  • 100. If we add more salt or less water we say that the solution is?
    • Answers
    • Concentrated
  • 101. If a substance will not dissolve we say it is ?
    • Answers
    • insoluble
  • 102. All elements have a chemical symbol, what is the symbol for gold ?
    • Answers
    • Au (aurum)
  • 103. All elements have a chemical symbol, what is the symbol for Copper ?
    • Answers
    • Cu (cuprum)
  • 104. All elements have a chemical symbol, what is the symbol for Silver ?
    • Answers
    • Ag (Argentinium)
  • 105. All elements have a chemical symbol, what is the symbol for Carbon ?
    • Answers
    • C
  • 106. All elements have a chemical symbol, what is the symbol for Aluminium ?
    • Answers
    • Al
  • 107. The symbol is Pb what is the element ?
    • Answers
    • Lead (plumbumium)
  • 108. The symbol is Na what is the element ?
    • Answers
    • Sodium (Natrium)
  • 109. The symbol is Li what is the element ?
    • Answers
    • Lithium
  • 110. The symbol is F what is the element ?
    • Answers
    • Fluorine
  • 111. The formula is CO 2 what is the Compound ?
    • Answers
    • Carbon dioxide
  • 112. The formula is NH 3 what is the Compound ?
    • Answers
    • Ammonia
  • 113. The formula is HCl what is the Compound ?
    • Answers
    • Hydrochloric acid
  • 114. The formula is H 2 SO 4 what is the Compound ?
    • Answers
    • Sulphuric acid
  • 115. The formula is HNO 3 what is the Compound ?
    • Answers
    • Nitric acid
  • 116. How can we separate coloured mixtures?
    • Answers
    • Chromatography
  • 117. How can we separate mixtures with different boiling points?
    • Answers
    • Distillation
  • 118. How can we separate mixtures with different solubility's?
    • Answers
    • Filtration
  • 119. What do we make when we burn magnesium in oxygen?
    • Answers
    • Magnesium oxide
  • 120. What do we make when we mix zinc with hydrochloric acid?
    • Answers
    • Zinc chloride + Hydrogen
  • 121. What do we make when we mix an acid with an alkali?
    • Answers
    • Salt + Water
  • 122. What do we make when we mix a reactive metal with an acid?
    • Answers
    • Metal hydroxide + Hydrogen
  • 123. What do we make when we mix a reactive metal like zinc with steam?
    • Answers
    • Zinc oxide + Hydrogen
  • 124. What do we call the hydroxides and oxides of metals?
    • Answers
    • Bases
  • 125. What is the combustion formula, Fuel + Oxygen 
    • Answers
    • Carbon dioxide + Water + Heat
  • 126. What does carbon, sulphur or nitrogen dioxides make in water?
    • Answers
    • Acid rain