Examination on Basic Technology
Class: JSS 2
Term: First Term
Time: 1 Hour
Total Marks: 70

SECTION A: OBJECTIVES (40 Marks)
Instruction: Answer all questions.

1. ________ is a set of rules and precautions taken to ensure a safe working environment. (a) Workshop management (b) Workshop safety (c) Workshop design (d) Workshop training
2. The main reason for observing workshop safety is to ________. (a) impress visitors (b) prevent accidents (c) make the workshop look neat (d) complete work quickly
3. Which of these is a safety gadget used in the workshop? (a) Hammer (b) Safety goggles (c) Screwdriver (d) Ruler
4. All of these are materials for workshop safety except ________. (a) fire extinguisher (b) sand bucket (c) first aid box (d) electric saw
5. The immediate care given to an injured person before professional medical help arrives is called ________. (a) surgery (b) first aid (c) rehabilitation (d) diagnosis
6. Which of the following is NOT a characteristic of a good first aid personnel? (a) Calm (b) Resourceful (c) Panicky (d) Observant
7. An example of a first aid material is ________. (a) paint (b) bandage (c) cement (d) timber
8. To stop bleeding from a minor cut, one should apply ________. (a) oil (b) pressure with a clean cloth (c) sand (d) water
9. Rescue operation refers to the act of saving someone or something from a dangerous or difficult ________. (a) building (b) situation (c) place (d) accident
10. Which is NOT an aspect of rescue operation? (a) Search (b) Evacuation (c) Construction (d) Stabilization
11. The first step involved in rescue operations is usually ________. (a) treatment (b) assessment (c) demolition (d) reconstruction
12. Wood is commonly used for making ________. (a) car engines (b) furniture (c) electrical wires (d) glass bottles
13. Which of these is an item typically made from metal? (a) Door (b) Window frame (c) Cooking pot (d) Chair
14. The main reason for using metal in construction is its ________. (a) light weight (b) flexibility (c) strength and durability (d) low cost
15. All of these are common uses of wood except ________. (a) building houses (b) making paper (c) making car tires (d) fuel
16. Ceramics are often used for making ________. (a) car bodies (b) electric cables (c) tiles and pottery (d) bicycle tires
17. Which of the following is an item made from glass? (a) Water bottle (b) Window pane (c) Rubber band (d) Plastic chair
18. Rubber is primarily known for its ________. (a) brittleness (b) elasticity (c) transparency (d) hardness
19. An example of a plastic material is ________. (a) clay (b) PVC pipe (c) copper wire (d) wool
20. A straight path extending infinitely in both directions is known as a ________. (a) point (b) line (c) curve (d) angle
21. Which type of line is used to represent the visible edges of an object in a drawing? (a) Hidden line (b) Centre line (c) Continuous thick line (d) Dimension line
22. The process of dividing a line into two equal parts is called ________. (a) division (b) extension (c) bisection (d) intersection
23. All of these are types of lines except ________. (a) parallel lines (b) perpendicular lines (c) curved lines (d) rough lines
24. The space between two intersecting lines or surfaces at or near the point where they meet is called an ________. (a) arc (b) vertex (c) angle (d) segment
25. An angle that measures exactly 90 degrees is known as a ________. (a) acute angle (b) obtuse angle (c) right angle (d) reflex angle
26. Which of these is not a type of angle? (a) Straight angle (b) Complete angle (c) Narrow angle (d) Reflex angle
27. The correct step to construct a 90° angle involves using a ________. (a) protractor only (b) compass and straightedge (c) ruler only (d) set square only
28. To bisect an angle means to divide it into ________. (a) three equal parts (b) two equal parts (c) four equal parts (d) unequal parts
29. A polygon with three sides and three angles is called a ________. (a) square (b) rectangle (c) triangle (d) circle
30. Which type of triangle has all three sides of equal length? (a) Isosceles triangle (b) Scalene triangle (c) Equilateral triangle (d) Right-angled triangle
31. The point where two sides of a triangle meet is called a ________. (a) base (b) vertex (c) height (d) hypotenuse
32. All of these are types of triangles except ________. (a) acute-angled (b) obtuse-angled (c) curved-sided (d) right-angled
33. The process of drawing a circle outside a triangle such that it touches all three vertices is called ________. (a) inscribing (b) escribing (c) circumscribing (d) tangential
34. A circle that touches all three sides of a triangle internally is said to be ________. (a) circumscribed (b) inscribed (c) escribed (d) tangential
35. The set of all points in a plane that are equidistant from a given point (the center) is called a ________. (a) square (b) triangle (c) circle (d) line
36. Which of these is a part of a circle? (a) Apex (b) Chord (c) Base (d) Hypotenuse
37. A line that touches a circle at only one point is called a ________. (a) secant (b) diameter (c) radius (d) tangent
38. The distance from the center of a circle to any point on its circumference is known as the ________. (a) diameter (b) chord (c) radius (d) arc
39. The main reason for constructing tangents to circles is for ________. (a) aesthetic appeal (b) calculating area (c) joining circular parts (d) finding the center
40. Which of the following is a type of circle based on its relation to a polygon? (a) Large circle (b) Small circle (c) Inscribed circle (d) Half circle

SECTION B: THEORY (30 Marks)
Instruction: Answer any THREE questions.

1. (a) Define workshop safety. (2 marks)
(b) State three (3) importance of workshop safety. (3 marks)
(c) List three (3) materials or items found in a first aid box and state one use for each. (3 marks)
(d) Briefly explain what is meant by a rescue operation. (2 marks)

2. (a) Differentiate between wood and metal based on two (2) properties. (2 marks)
(b) Give three (3) examples of items made from plastic. (3 marks)
(c) State three (3) common uses of ceramics. (3 marks)
(d) Mention two (2) items made from rubber. (2 marks)

3. (a) Define a line in geometric construction. (2 marks)
(b) List three (3) types of lines used in technical drawing. (3 marks)
(c) Explain the difference between bisection of a line and division of a line. (3 marks)
(d) State two (2) uses of angles in real life. (2 marks)

4. (a) Define an angle. (2 marks)
(b) List three (3) types of angles based on their magnitude. (3 marks)
(c) Describe the basic steps to construct a 60° angle using a compass and straightedge. (3 marks)
(d) What is the main difference between circumscribing and inscribing a circle in relation to a triangle? (2 marks)

Objective Marking Scheme

Question 1 – ✅ (b) Workshop safety
Question 2 – ✅ (b) prevent accidents
Question 3 – ✅ (b) Safety goggles
Question 4 – ✅ (d) electric saw
Question 5 – ✅ (b) first aid
Question 6 – ✅ (c) Panicky
Question 7 – ✅ (b) bandage
Question 8 – ✅ (b) pressure with a clean cloth
Question 9 – ✅ (b) situation
Question 10 – ✅ (c) Construction
Question 11 – ✅ (b) assessment
Question 12 – ✅ (b) furniture
Question 13 – ✅ (c) Cooking pot
Question 14 – ✅ (c) strength and durability
Question 15 – ✅ (c) making car tires
Question 16 – ✅ (c) tiles and pottery
Question 17 – ✅ (b) Window pane
Question 18 – ✅ (b) elasticity
Question 19 – ✅ (b) PVC pipe
Question 20 – ✅ (b) line
Question 21 – ✅ (c) Continuous thick line
Question 22 – ✅ (c) bisection
Question 23 – ✅ (d) rough lines
Question 24 – ✅ (c) angle
Question 25 – ✅ (c) right angle
Question 26 – ✅ (c) Narrow angle
Question 27 – ✅ (b) compass and straightedge
Question 28 – ✅ (b) two equal parts
Question 29 – ✅ (c) triangle
Question 30 – ✅ (c) Equilateral triangle
Question 31 – ✅ (b) vertex
Question 32 – ✅ (c) curved-sided
Question 33 – ✅ (c) circumscribing
Question 34 – ✅ (b) inscribed
Question 35 – ✅ (c) circle
Question 36 – ✅ (b) Chord
Question 37 – ✅ (d) tangent
Question 38 – ✅ (c) radius
Question 39 – ✅ (c) joining circular parts
Question 40 – ✅ (c) Inscribed circle