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