Tuesday, 11 July 2023 14:05

Science Questions and Answers - Class 8 Mid Term 2 Exams 2023 Set 6

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  1. The diagram below represents parts of a flower.
    Which of the above parts labelled J, K, L and M represents the part that attracts insects and the part that protects the flower during bud stage respectively?
    1. L and J
    2. K and L
    3. M and L
    4. J and L
  2. Which part of a bean seed allows air and water into the seed during germination?
    1. Testa
    2. Hilum
    3. Micropyle
    4. Cotyledon.
  3. The diagram below shows interdependence between plants.
    The part marked X is a modified
    1. stem
    2. leaf
    3. bud
    4. flower.
  4. Class four pupils saw a weed which had the following characteristics.
    1. Had petal like leaves.
    2. Had pink flowers.
    3. It grows under a shade.
      The weed was likely to be
      1. Oxalis
      2. Pigweed
      3. Black jack
      4. Sodom apple.
  5. Which of the following statements is true about reproduction in human beings?
    1. Fertilization takes place in the ovary.
    2. A mature ovum is released after every 28 days.
    3. Ovulation is also called menstruation.
    4. Sperms are deposited in oviduct.
  6. The diagram below represents parts of mammalian heart.
    Which of the following statements is not true about the vessels marked R, S, U and T?
    1. Blood vessel U is the main vein.
    2. Blood vessel T carries blood rich in carbon dioxide.
    3. Blood vessel R carries blood rich in oxygen.
    4. Blood vessel S carries blood under low pressure
  7. Some pupils classified different crop pests as shown in the table below.
     Pupil   Storage pest   Field pest 
    Rats, weevil, white ant
    Termite, weaver birds, ant 
    Aphids, birds, cutworm
    Ant, aphids, cutworm
    Aphids, cutworm, weaver birds 
    Stalk borer, mice, termite
    Termite, ants, weevils
    Termite, aphid, cutworm 
    Who among them gave the correct classification?
    1. Njoki
    2. Joseph
    3. Jane
    4. John
  8. The following is a description of a certain type of tooth.
    1. Sharp.
    2. Chisel shaped.
    3. Has one root.
      The type of tooth described above is used for
      1. cutting and biting food
      2. tearing and piercing
      3. crushing and grinding food
      4. chewing and tearing food.
  9. In the human digestive system, absorption of water and mineral salts takes place in the
    1. ileum
    2. colon
    3. stomach
    4. rectum.
  10. In the human reproductive system, what is formed immediately after fertilisation?
    1. Embryo
    2. Foetus
    3. Baby
    4. Zygote.
  11. Which of the following vaccines is a baby given at birth and 14 weeks respectively?
    1. Polio and ant-measles.
    2. BCG and yellow fever.
    3. BCG and DPT.
    4. DPT and polio.
  12. The following are signs and symptoms of a certain communicable disease.
    1. Pain in joints
    2. Fever
    3. Vomiting
    4. Headache
    5. Loss of appetite.
      The disease described above can be prevented by
      1. draining all stagnant water in the compound
      2. maintaining high standards of cleanliness 
      3. drinking boiled water
      4. wearing protective clothes when working in muddy areas.
  13. Which of the following pairs consists of social effects of drug abuse only?
    1. Addiction and rape
    2. Impaired judgement and withdrawal
    3. Truancy and school drop out
    4. Marital conflict and fits.
  14. The best way of controlling sexually transmitted infections among married people is by
    1. abstinence
    2. being faithful
    3. use of condoms
    4. maintaining body hygiene.
  15. The most effective mode of campaign against the spread of HIV and AIDS is through
    1. television
    2. internet 
    3. radio
    4. pamphlets.
  16. The diagram below shows a certain type of soil erosion.
    The type of erosion shown above is
    1. sheet
    2. rill erosion
    3. gulley erosion
    4. splash erosion.
  17. The following are examples of compound fertilisers except
    1. Triple Supper Phosphate
    2. Mono Ammonium Phosphate
    3. Diamonium Phosphate
    4. Nitrogen Phosphorus and Potassium.
  18. The following are characteristics of a certain type of soil.
    1. Has fine texture.
    2. Has small air spaces.
    3. Has highest capillarity.
      The type of soil described above is also likely to
      1. be found in construction sides
      2. be water logged
      3. be good for agriculture
      4. have best drainage.
  19. The diagram below represents changes in the states of matter.
    The processes marked (i) and (iv) respectively are
    1. freezing and condensation
    2. melting and condensation
    3. freezing and evaporation
    4. evaporation and condensation
  20. Which of the following pairs of liquids will mix completely when put together?
    1. Water and cooking oil.
    2. Spirit and milk.
    3. Petrol and spirit.
    4. Kerosene and milk.
  21. Class seven pupils took a sufuria with water, added saw dust and placed it on a source of heat. What were the pupils investigating?
    1. Conduction in solids.
    2. Convection in gases.
    3. Convection in liquids.
    4. Radiation in liquids.
  22. Class five pupils set the experiment as shown below.
    The pupils were investigating whether
    1. liquids occupy space
    2. air exerts pressure
    3. gases expand when heated
    4. gases occupy space.
  23. Sound travels poorest in
    1. vacuum
    2. liquids
    3. gases
    4. solids.
  24. The experiment below was set by pupils to investigate good and poor conductors of electricity.
    Which materials when placed at point X will not make the bulb light?
    1. Nail
    2. Dry wood
    3. Coin
    4. Graphite
  25. A card with the word FISH was placed infront of a plane mirror. How did it appear?
  26. Which of the following sources of current electricity pollutes the environment the least?
    1. Dry cells
    2. Car battery
    3. Generators
    4. Solar panel.
  27. Which of the following is not true about the type of cloud shown below? It
    1. covers the whole sky
    2. is white in colour
    3. appears low in the sky 
    4. brings heavy rain.
  28. Which of the following weather instruments is used to measure two aspects of wind?
    1. Liquid thermometer
    2. Windvane
    3. Windsock
    4. Barometer.
  29. Which of the following is the second step when modelling the solar system?
    1. Draw the eight orbits.
    2. Paste the manilla on the soft board.
    3. Putting name tags.
    4. Mounting the planets on their orbits.
  30. Which of the following animals is correctly matched with its product?
    1. Pig-Mutton
    2. Sheep-Mohair
    3. Layers - Eggs
    4. Goat-Wool.
  31. The following animals have a moist skin and live partly in water and partly on dry land. Which one does not?
    1. Frog
    2. Seal
    3. Salamander
    4. Toad
  32. Which of the following animal feeds consists of proteins only?
    1. Glycine, lucern, clover.
    2. Sunflower seeds, oats, napier.
    3. Salt lick, bone meal, lucern.
    4. Clover, napier grass, hay.
  33. Which one of the following is not a rotational method of grazing?
    1. Tethering
    2. Strip grazing
    3. Herdin
    4. Paddocking.
  34. Which of the following parasites destroys wool in a sheep?
    1. Louse
    2. Flea
    3. Tick
    4. Mite.
  35. The following are ways of maintaining simple tools. Which one is not?
    1. Oiling them.
    2. Washing them.
    3. Repairing them.
    4. Using them regularly.
  36. The following are industrial uses of water except
    1. washing coffee berries
    2. making pulp
    3. making fountains
    4. rearing fish.
  37. The following are waterborne diseases except
    1. malaria
    2. typhoid
    3. cholera
    4. bilharzia.
  38. The following are major components of environment except
    1. animals
    2. light
    3. air
    4. soil.
  39. Which of the following does not pollute air?
    1. Smoking.
    2. Fumes from industries.
    3. Dead animals.
    4. Spraying pesticides.
  40. Which of the following groups of food consists of body building food only?
    1. Groundnuts, locust, eggs.
    2. Fish, rice, sukuma.
    3. Pawpaw, peas, beans.
    4. Soya beans, ugali, chicken.
  41. A person suffering from marasmus should be fed on
    1. proteins
    2. diet rich in iron
    3. enough balanced diet
    4. vitamins.
  42. Which of the following methods of preserving food preserves food by making bacteria inactive?
    1. Smoking
    2. Use of honey
    3. Drying
    4. Use of low temperature.
  43. It is advisable to include water in the diet for all the following reasons except to
    1. cool the body
    2. make the food bulky
    3. help in the formation of fluids
    4. help in absorption of digested food.
  44. What is the importance of charcoal in the home made filter? To
    1. kill germs in the water
    2. filter tiny soil particles
    3. absorb the colour of the dirty water
    4. warm the water.
  45. The following are uses of moving air except
    1.  felling trees
    2. sailing boats
    3. moving wind mills
    4. winnowing.
  46. The following are ways through which water is polluted. Which one is not? Through
    1. floods
    2. oil spillage
    3. mulching
    4. excess use of farm chemicals.
  47. A beam balance is used to
    1. measure force
    2. compare masses of different objects 
    3. measure volume
    4. measure energy.
  48. The type of air used by green plants in making food is also used in
    1. electric bulbs
    2. making proteins by leguminous plants
    3. burning
    4. preserving fizzy drinks.
  49. The diagram below shows a lever in use.
    Which of the following correctly represents the parts marked M, K and L respectively?
             M         K          L 
     A. Load 
     B. Fulcrum 
     C. Load
     D. Effort
  50. Which of the following materials has definite mass only?
    1. Water vapour
    2. Flour
    3. Ice
    4. Wax.


  1. D
  2. C
  3. A
  4. A
  5. B
  6. D
  7. C
  8. A
  9. B
  10. D
  11. C
  12. A
  13. C
  14. B
  15. C
  16. C
  17. A
  18. B
  19. A
  20. B
  21. C
  22. B
  23. C
  24. B
  25. B
  26. D
  27. B
  28. C
  29. B
  30. C
  31. B
  32. A
  33. C
  34. D
  35. D
  36. D
  37. A
  38. B
  39. C
  40. A
  41. C
  42. D
  43. B
  44. C
  45. A
  46. C
  47. B
  48. D
  49. B
  50. A
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