Basic science 2nd term Exam
- 1. 1. ______ are infection caused by pathogens, Bacteria or virus transmitted through the air.
A) Land borne diseases
B) Airborne diseases
C) Waterborne diseases
- 2. 2. A ________ wind is dangerous and can destroy object.
A) Weak
B) Light
C) Strong
- 3. 3. Dirty water can be made clean by boiling, filtration or _______.
A) Adding of salt
B) Adding of chemical
C) Adding of seasoning
- 4. 4. Which of the following are ways of contaminating water _______.
A) Rainfall
B) Defecating on water bodies
C) Adding clean water in the river
- 5. 5. When air moves or blows strongly is called_________.
A) Whirlwater
B) Whirlwind
C) Whirlair
- 6. 6. Wind is a source of _________.
A) Energy
B) Water
C) Air
- 7. 7. A windmill is used to generate ________.
A) Air molecules
B) Electricity
C) Water pump
- 8. 8. The degree to which water is clean and safe for drinking, cooking, bathing, swimming etc is known as_______.
A) Water package
B) Water quality
C) Windlass
- 9. 9. Dumping of ______material in water bodies can contaminate water
A) Good
B) Waste
C) Water
- 10. 10. The following are examples of airborne diseases Except ________.
A) Malaria
B) Cough
C) Tuberculosis
- 11. 11. Water exist in a gaseous, liquid and _______ states.
A) Refuse
B) Solid
C) Sewage
- 12. 12. Polluted water can cause all of the following except ________.
A) Good health
B) Typhoid
C) Diarrhoea
- 13. 13. Which of the following prevent and control of airborne disease?
A) Improper ventilation
B) Vaccination
C) Bad hygiene practice
- 14. 14. There are ______ forms of water.
A) Three
B) Six
C) Two
- 15. 15. Which of the following are substance that contaminate water?
A) Additional of extra water
B) Avoid putting chemical
C) Oil spillage
- 16. 16. ______ water turns into vapor from the surface of oceans, rivers and lake.
A) Precipitation
B) Evaporation
C) Condensation
- 17. 17. When water vapor cools and forms a cloud is known as ________.
A) Precipitation
B) Evaporation
C) Condensation
- 18. 18. Water contamination is the water that are _______for drinking.
A) Good
B) Safe
C) Unsafe
- 19. 19. When water fall back to the earth as rain, snow or hail it is known as ______.
A) Condensation
B) Precipitation
C) Evaporation
- 20. 20. The following are methods of purifying water Except _______.
A) Drinking
B) Adding chemical
C) Filtration
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