SECOND TERM EXAMINATION PRIMARY 4 BASIC SCIENCE

 

SECOND TERM EXAMINATION 

CLASS: PRIMARY 4

SUBJECT: BASIC SCIENCE

NAME:……………………………………………………………………………………

  1. Pests are _____ which damage crops by feeding on them (a0 organisms (b) organs (c) cells
  2. __________ is a pest of yam (a) aluids (b) insects (c) beetle
  3. ________ is a disorder or an abnormality in the system of living things which prevents proper functioning. (a) disease (b) desease (c) deseese
  4. There are __________ methods of controlling pests and diseases (a) seven (b) three (c) four
  5. The teeth can be found in which part of our body? ____ (a) chest (b) hand (c) mouth
  6. There are _____ types of teeth (a) 3 (b) 4 (c) 5
  7. The first set of teeth in children is called _____ (a) milk teeth (b) milky teeth (c) millet teeth
  8. The _____ is used in biting and cutting of food into pieces (a) carines (b) molars (c) incisors
  9. The _____ is used for tasting food. (a) mouth (b) lips (c) tongue
  10. The ______ support food into and prevent it from pouring out of the mouth(a) stomach (b) lips (c) hands
  11. _____ is the topmost layer of the earth. (a) soil (b) water (c) sky
  12. There are ______ types of soil (a) 4 (b) 3 (c) 6
  13. ______ is the best soil for planting (a) clayey (b) sandy (c) loamy
  14. _____ is a liquid substance which is odourless, tasteless and transparent in its pure and undiluted form (a) water (b) atmosphere (c) sky
  15. ______ is a process of a liquid substance gradually changing into its gaseous form(a) evaporation (b) transmission (c) diffusion
  16. ______ is described as the process of vapour changing back to water, when it comes in contact with a cooler surface (a) evaporation (b) condensation (c) osmosis
  17. ___________ are chemicals used to make water free from bacteria or germs(a) hypo (b) detergents (c) disinfectants
  18. There are ____ classes of food (a) 8 (b) 6 (c) 7
  19. ______ is a meal which contains all the classes of food in the right proportion (a)meal planning (b) table manner (c) balanced diet
  20. _________ are infected foods which make us sick or cause diseases in the body if they are consumed (a) harmful foods (b) hammer food (c) hunger food

 

 

Section B:


(1) Mention three causes of diseases

(a) ________________________________ (b) ________________________________

(c) ________________________________

b.) List four common diseases in plants

(a) ________________________________ (b) ________________________________

(c) ________________________________ (d) ________________________________

(2) Explain agents of diseases

b.) List four diseases casual agents in plants

(a) ________________________________ (b) ________________________________

(c) ________________________________ (d) ________________________________

(3) Name the types of teeth

(a) ________________________________ (b) ________________________________

b.) State the uses of each tooth

(4) List the types of soil and state one property of each

b.) Define solvent________________________________________________________________

(5) State three uses of water

(a) ________________________________ (b) ________________________________

(c) ________________________________

b.) Explain purification of water

 

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