SECOND TERM EXAMINATION
CLASS: PRIMARY 4
SUBJECT: BASIC SCIENCE
NAME:……………………………………………………………………………………
- Pests are _____ which damage crops by feeding on them (a0 organisms (b) organs (c) cells
- __________ is a pest of yam (a) aluids (b) insects (c) beetle
- ________ is a disorder or an abnormality in the system of living things which prevents proper functioning. (a) disease (b) desease (c) deseese
- There are __________ methods of controlling pests and diseases (a) seven (b) three (c) four
- The teeth can be found in which part of our body? ____ (a) chest (b) hand (c) mouth
- There are _____ types of teeth (a) 3 (b) 4 (c) 5
- The first set of teeth in children is called _____ (a) milk teeth (b) milky teeth (c) millet teeth
- The _____ is used in biting and cutting of food into pieces (a) carines (b) molars (c) incisors
- The _____ is used for tasting food. (a) mouth (b) lips (c) tongue
- The ______ support food into and prevent it from pouring out of the mouth(a) stomach (b) lips (c) hands
- _____ is the topmost layer of the earth. (a) soil (b) water (c) sky
- There are ______ types of soil (a) 4 (b) 3 (c) 6
- ______ is the best soil for planting (a) clayey (b) sandy (c) loamy
- _____ is a liquid substance which is odourless, tasteless and transparent in its pure and undiluted form (a) water (b) atmosphere (c) sky
- ______ is a process of a liquid substance gradually changing into its gaseous form(a) evaporation (b) transmission (c) diffusion
- ______ 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
- ___________ are chemicals used to make water free from bacteria or germs(a) hypo (b) detergents (c) disinfectants
- There are ____ classes of food (a) 8 (b) 6 (c) 7
- ______ is a meal which contains all the classes of food in the right proportion (a)meal planning (b) table manner (c) balanced diet
- _________ 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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