Third Term Examination Basic Science JSS 2 (Basic 8) – Exam Questions

BASIC SCIENCE 

THIRD TERM EXAMINATION 

JUNIOR SECONDARY SCHOOLS 

JSS 2 (BASIC 8)

SECTION A 

Answer all questions. 

1. ___________ is not a form of Energy.

(a) Sound

(b) Electric

(c) Nuclear

(d) Noise

2. The state of matter with indefinite shape is referred to as ___________.

(a) liquid

(b) gas

(c) solid

(d) none of the above

3. ___________ is not a way of drug use.

(a) Injecting

(b) Smoking

(c) Inhaling

(d) Operating

4. ___________ is the monthly flow of blood.

(a) Menstruation

(b) Mensuration

(c) Ovulation

(d) Fertilization

5. Robert ___________ discovered Brownian motion.

(a) brown

(b) purple

(c) white

(d) black

6. H2O melts at ___________ ° c.

(a) 100

(b) 50

(c) 0

(d) 1

7. A pressing iron converts ___________ to heat energy.

(a) mechanical

(b) electrical

(c) potential

(d) solar

8. All are modes of heat transfer except ___________.

(a) convection

(b) radiation

(c) conversion

(d) gamma ray

9. ___________ is present in the breast feeding milk.

(a) Colour

(b) Dano

(c) Colostrum

(d) Vitamin

10. All these genotypes can be together except ___________.

(a) AS & AS

(b) SS & SS

(c) AA & AA

(d) AA &AS

11. Crude oil can be heated to about ___________ ˚c to …………….. ˚c.

(a) 400 – 500

(b) 500 – 600

(c) 600 – 700

(d) 700 – 800

12. ___________ is the major source of heat energy in our environment.

(a) Moon

(b) Sun

(c) Electricity

(d) Generator

13. Kerosene is produced at ___________. °c.

(a) 20

(b) 70

(c) 120

(d) 170

14. Insecticides are good examples of the following classification.

(a) Pharmaceuticals

(b) Cosmetics

(c) Laboratory

(d) Agrochemical

15. ___________ is an element.

(a) B

(b) NACl

(c) NaOH

(d) HCl(2)

16. The relationship where one organism benefits while the other is harmed is called ___________.

(a) saprophytism

(b) parasitism

(c) mutualism

(d) commensalism

17. Which of these is a pharmaceutical?

(a) Perfumes

(b) Fertilisers

(c) Drugs

(d) Face cream

18. Crude oil is transported from oil wells to the refineries through ___________.

(a) pipelines

(b) powerlines

(c) truck

(d) tax

19. The full meaning of PMS is ___________.

(a) premium motor spirit

(b) premium monitor spirit

(c) premium motor spleen

(d) premium motor speed

20. ___________ helps to prevent unwanted pregnancy.

(a) Malaria

(b) Panadol

(c) Sex

(d) Abstinence

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Section B

Answer all questions.

 

QUESTION 1

A. What is crude oil?

B. Highlight any five products obtained from crude oil.

QUESTION 2

A. What is the full meaning of NDLEA?

B. List three pharmaceutical and two cosmetic examples.

QUESTION 3

Write the 1st 20 elements.

QUESTION 4

A. Define abstinence.

B. Draw any danger symbol placed on containers of chemicals and its meaning.

QUESTION 5

A. List the three types of heat transfer and explain one.

B. Match the following genotypes correctly:

I. AA & SS

II. AS & AS