Second Term examination Basic Science Basic 9 (JSS 3)

 

BASIC SCIENCE 

THEME – BASIC SCIENCE AND TECHNOLOGY 

CRN INTERNATIONAL SCHOOL 

SECOND TERM 

BASIC 9 (JSS 3) 

 

Relevant exam questions – Second Term examination Basic Science Basic 7 (JSS 1) and  Second Term examination Basic Science Basic 8 (JSS 2)

 

START

 

SECTION A – ANSWER ALL QUESTIONS

 

1. ______________ is transmitted through the air to our ears .

(a) Light

(b) Sound

(c) Breeze

(d) noise

 

2. The outer ear is called ______________.

(a) eardrum

(b) auditory meatus

(c) pinna

(d) canal

 

3. Radioactive elements are ______________ of atoms of elements.

(a) isotopy

(b) isotopes

(c) covalent

(d) ionic

 

4. The revolution of the moon round the earth causes ______________.

(a) day

(b) mouth

(c) season

(d) year

 

5. Some sounding instruments includes all except ______________.

(a) hard sticks

(b) talking drum

(c) whistle

(d) toothpaste

 

6. Like poles ______________ and unlike poles attract.

(a) contract

(b) repel

(c) dismantle

(d) disengage

 

7. Ammeters are measured in Ampere, while voltmeters are measured in ______________.

(a) ammeter

(b) volt

(c) vetter

(d) voter

8. ______________ is a natural oxide of iron.

(a) hydroxide

(b) peroxide

(c) sodium hydroxide

(d) loadstone

 

9. Elements in house circuit include all except ______________.

(a) circuit breaker

(b) meter box

(c) tester

(d) fuse box

 

 

10. The temperature at which a substance changes from liquid to vapour is ______________ Point.

(a) boiling

(b) freezing

(c) melting

(d) vapour

 

11. Loadstone was discovered in ______________ over 2000 years ago.

(a) India

(b) China

(c) America

(d) Korea

 

12. Apple fruit contains ______________ acid.

(a) citric

(b)  acetic

(c) ascorbic

(d) tartaric

 

13. The function of lipase is to digest ______________.

(a) starch

(b) proteins

(c) fats

(d) vitamins

 

14. ______________ energy are energy gotten due to electron flow.

(a) electrical

(b) potential

(c) mechanical

(d) nuclear

 

 

15. Which of the following blood group is a universal donor?

(a) AB

(b) O

(c) A

(d) B

 

16. ______________ is the spontaneous decay of the electron.

 

17. The sound waves make the thin membrane called the ______________ to vibrate.

 

18. ______________ field is the region of space where magnetic force could be felt.

 

19. ______________ starts to produce sex cells during puberty.

 

20. Induced abortion is a type of abortion. YES/NO.

 

 

    SECTION B: ANSWER FOUR (4) QUESTIONS ONLY. 

 

1a. Define loadstone.

b. State any two laws of magnetism

 

2a .What are electrons?

b. List two measuring instruments in electric currents.

 

3a. In a diagram, illustrate parallel circuit

b. Mention two major ways of connecting electrical circuit.

 

4a. Mention four reasons for skill acquisition.

b. Write three importance of skill acquisition.

 

5a. What is (i) Teenage pregnancy (ii) Radioactive

b. List any five radioactive elements.

 

6a. Define abortion.

b. List three types of radiation.

 

 

 

 

 

 

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