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1 ……is a material used as electrical insulators.
A. capacitor
B. ceramic
C. resistor
D. rubber
2. Parallelogram with an area of 8cm2 and given height of 4cm2, calculate the base.
A.2
B.3
C.4
D.5
3. Machines that operate mainly with fluid are
A. hydraulic.
B. pneumatic.
C. milling.
D. gas.
4. The product made by combining two or more metallic elements is
A. an Aluminum.
B. an Alloy.
C. a Brass.
D. a Bronze.
5. Belt drives are driven by aid…
A. gear.
B. machine.
C. pulley.
D. shaft.
6. In a car gear system, the least number of teeth is found in gear
A. 1
B. 2
C. 3
D. 4
7. One of the following is a method of wood conversion.
A. Defect sawing
B. Line sawing
C. Straight sawing
D. Tangential sawing
8. An example of sanitary fitting in a building is
A. defects.
B. elbow.
C. urinal.
D.tap
9. An example of natural defect is
A. bow.
B. knot.
C. twisting.
D. wanes.
10. Metals are classified into pure metals and…..
A. alloy
B. carbon steel.
C. ferrous metals.
D. non-ferrous metals.
11. Pig iron contains….. as impurity.
A. aluminum
B. famous
C. steel
D. sulphur
12. Motions are classified into….types.
A. five
B. four
C. three
D. two
13. The machine used in banks for financial transaction is referred to as
A. Automated Teller Machine.
B. Automation Teller Machine.
C. Automating Teller Method.
D. Automated Teller Mechanical.
14. Which of the following persons is a Nigerian role model in mechanical engineering?
A. Dr. Philip Emeagwali
B. Dr.ChikeObi
C. Dr. ChinwaAchebe
D. Dr.AyodeleAwojobi
15. Which of these is used as head protection device in workshop.
A. Shield
B. Helmet
C. Gloves
D. Belt
16. The wood obtained from deciduous tree is called….
A. Sapwood.
B. Mahogany wood.
C. ardwood.
D. Cherrywood.
17. Which of the following is one example of non- ferrous metal?
A. Steel
B. Steel
C. Magnet
D. Copper
18. Tile used for walls and floors in building is a product from
A. metals.
B. glass.
C. concrete.
D. ceramics
19. Which of the following is a drug control agency?
A. CFC
B. NAFDAC
C. NDDC
D. UNICEF
20. Which of the following is a natural drug?
A. Aspirin
B. Panadol
C. Rob
D. Tobacco
Essay Questions on Basic Science and Technology
SECTION B (THEORY)
INSTRUCTION: Answer all questions. All questions carry equal marks.
1. Write short note on the following:
a. Equilateral triangle
b. Isosceles triangle
2 a. State five (5) characteristics of living things,
b. In a tabular form, classify the following living and non living matter;
Books, Pencils, Man, Table, Rat, Grass, Dog, Elephant, Soil, Housefly, Stone, Beads, Goat, Water, Ants, Biro, Rocks, Tree.
3 a. What is computer ethics.
b. List three computer room management ethics.
4 a. Define Physical fitness,
b. State four importance of physical fitness
Junior WAEC BST Objective Answers 2019
1. D
2. A
3. A
4. B
5. C
6. B
7. D
8. C
9. B
10.A
11.D
12.B
13.A
14.D
15.B
16.C
17.D
18.D
19.B
20.D
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