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Second Term Examination Basic Science Basic 4

CRN’s INTERNATIONAL SCHOOL

SECOND TERM EXAMINATION 

BASIC 4

SECTION A 

BASIC SCIENCE 

Choose the correct answer from the options.

1. The atmosphere condition of a place at a given period of time is ___________________.

[a] atmosphere

[b] weather

[c] rain

2. The burning of candle stick is a good examples of ___________________ change.

[a] political

[b] temporary

[c] permanent

3. Substance that provide essential nourishment for the soil are ___________________.

[a] nutrients

[b] acid

[c] poison

4. Which of these is not found in the soil ?

[a] air

[b] water

[c] cloud

5. Which of these does not give nutrient to the soil?

[a] leaf litters

[b] dead animals

[c] small rocks

6. A ___________________ is a wild plant growing where, it is not wanted

[a] cassava

[b] farm

[c] weed

7. ___________________ is not an example of common pests.

[a] fish

[b] bird

[c] monkey

8. A mixture of decayed organic matter is ___________________.

[a] fertilizer

[b] compost

[c] watering

9. Using chemical to control crop plant diseases can lead to food poison.

[a] true

[b] false

[c] none of the above

10. Casual agents of diseases do not include ___________________.

[a] fungi

[b] normal rainfall

[c] bacteria

11. Which of these comes first?

[a] planting

[b] soil preparation

[c] harvesting

12. ___________________ is a colourless transparent liquid compound of oxygen and hydrogen.

[a] hydrocarbon

[b] weather

[c] water

13. The feeding system did not not comprise the ___________________.

[a] chin

[b] teeth

[c] tongue

14. ___________________ is the organ of taste.

[a] skin

[b] nose

[c] tongue

15. How many food group do we have?

[a] 7

[b] 4

[c] 3

SECTION B

Attempt all questions. 

1. Define harmful food.

___________________________________________________________________

b. Give 2 examples of harmful food.

I. ________________________________

II. ________________________________

2. What is adequate diet?

___________________________________________________________________

b. Write 3 group of food.

I. ________________________________

II. ________________________________

III. ________________________________

3. Define weed.

___________________________________________________________________

b. Mention 2 ways of controlling it.

I. _______________________________

II. ________________________________

4. State the chemicals used for controlling pest and diseases in the farm.

___________________________________________________________________

___________________________________________________________________

b. Mention 4 common pest you know.

I. ________________________________

II. ________________________________

III. ________________________________

IV. ________________________________

5. Define CROP.

___________________________________________________________________

b. List 4 constituents of soil.

I. ________________________________

II. ________________________________

III. ________________________________

IV. ________________________________

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