Second Term examination Basic Science Basic 9 (JSS 3) – Exam Questions

BASIC SCIENCE 

JUNIOR SECONDARY SCHOOLS

SECOND TERM EXAMINATION 

CLASS – BASIC 9 (JSS 3) 

Relevant exam questions

• Second Term examination Basic Science Basic 7 (JSS 1) – Exam Questions

• Second Term examination Basic Science Basic 8 (JSS 2) – Exam Questions

SECTION A

ANSWER ALL THE QUESTIONS IN THIS SECTION 

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. 

QUESTION 1

a. Define loadstone.

 

b. State any two laws of magnetism

 

QUESTION 2

a .What are electrons?

 

b. List two measuring instruments in electric currents.

 

QUESTION 3

a. In a diagram, illustrate parallel circuit

 

b. Mention two major ways of connecting electrical circuit.

QUESTION 4

a. Mention four reasons for skill acquisition.

b. Write three importance of skill acquisition.

 

QUESTION 5

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

 

b. List any five radioactive elements.

 

QUESTION 6

a. Define abortion.

 

b. List three types of radiation.

GOOD LUCK