20 Basic Technology questions for JSS3 third term, along with options and answers:
Question: What is the primary function of a multimeter in electronics?
A) Measuring temperature
B) Testing continuity
C) Cutting wires
D) Amplifying signals
Answer: B) Testing continuity
Question: In mechanics, what is the term for the force that opposes motion between two surfaces in contact?
A) Friction
B) Gravity
C) Tension
D) Inertia
Answer: A) Friction
Question: What is the purpose of a CNC machine in manufacturing?
A) Cutting metal manually
B) Controlling industrial processes automatically
C) Measuring precision angles
D) Generating electricity
Answer: B) Controlling industrial processes automatically
Question: Which type of energy is stored in an object due to its position above the Earth’s surface?
A) Kinetic energy
B) Thermal energy
C) Gravitational potential energy
D) Electrical energy
Answer: C) Gravitational potential energy
Question: What is the primary function of a 3D printer in modern manufacturing?
A) Cutting metal
B) Shaping wood
C) Creating three-dimensional objects layer by layer
D) Measuring electrical resistance
Answer: C) Creating three-dimensional objects layer by layer
Question: In computer hardware, what is the purpose of a graphics card?
A) Storing data
B) Displaying images on a monitor
C) Controlling network connections
D) Processing keyboard input
Answer: B) Displaying images on a monitor
Question: Which of the following is an example of a renewable energy source for electricity generation?
A) Coal
B) Natural Gas
C) Hydroelectric power
D) Petroleum
Answer: C) Hydroelectric power
Question: What is the function of a serger in sewing machines?
A) Cutting fabric
B) Sewing straight stitches
C) Creating decorative stitches
D) Finishing edges and preventing fraying
Answer: D) Finishing edges and preventing fraying
Question: In carpentry, what is the purpose of a coping foot for a jigsaw?
A) Measuring angles
B) Cutting straight lines
C) Creating intricate shapes
D) Sanding surfaces
Answer: C) Creating intricate shapes
Question: Which type of gear system changes the direction of rotation?
A) Spur gears
B) Bevel gears
C) Worm gears
D) Helical gears
Answer: B) Bevel gears
Question: What is the primary purpose of a heat sink in electronic devices?
A) Generating heat
B) Cooling the device by dissipating heat
C) Amplifying electrical signals
D) Controlling resistance
Answer: B) Cooling the device by dissipating heat
Question: In metalworking, what is the purpose of tempering?
A) Softening metal
B) Hardening metal
C) Shaping metal
D) Joining metal pieces together
Answer: B) Hardening metal
Question: Which of the following is a renewable energy source for heating?
A) Natural Gas
B) Geothermal energy
C) Coal
D) Propane
Answer: B) Geothermal energy
Question: What is the purpose of an oscilloscope in electronics?
A) Measuring temperature
B) Displaying electrical waveforms
C) Testing hardness of materials
D) Filtering signals
Answer: B) Displaying electrical waveforms
Question: In plumbing, what is the function of a check valve?
A) Controlling water pressure
B) Preventing backflow of water
C) Measuring water temperature
D) Filtering impurities in water
Answer: B) Preventing backflow of water
Question: Which of the following is a safety precaution when using power tools?
A) Removing safety guards
B) Operating tools with wet hands
C) Wearing loose clothing
D) Using tools with damaged cords
Answer: D) Using tools with damaged cords
Question: What is the purpose of a flywheel in a mechanical system?
A) Generating electricity
B) Controlling speed fluctuations
C) Cutting materials
D) Measuring distance
Answer: B) Controlling speed fluctuations
Question: In electronics, what does the term “breadboard” refer to?
A) A type of bread
B) A testing platform for building electronic circuits
C) A type of wire
D) A component in power supply systems
Answer: B) A testing platform for building electronic circuits
Question: What is the function of a ball bearing in machinery?
A) Controlling electricity flow
B) Reducing friction between moving parts
C) Generating heat
D) Transmitting signals
Answer: B) Reducing friction between moving parts
Question: In computer programming, what is a loop?
A) A piece of wire
B) A sequence of instructions that repeats
C) A type of keyboard
D) A device for measuring angles
Answer: B) A sequence of instructions that repeats.
FAQs
What topics usually appear in JSS3 Third Term Basic Technology past questions?
JSS3 Third Term Basic Technology exams usually cover topics that combine practical knowledge with basic technical theory. Common areas include simple machines, basic electricity, building construction, drawing and design, and safety in the workshop. Students may also encounter questions on materials such as wood, metals, and plastics, as well as the tools used to work with them. In some exams, topics like energy sources, technology and society, and basic mechanical systems also appear. Studying past questions helps students identify which topics are frequently repeated and understand how examiners frame their questions.
Why are past questions important for preparing for Basic Technology exams?
Past questions are valuable because they give students a clear idea of the exam format and the types of questions that are likely to appear. When students practice with past questions, they become familiar with how instructions are written and how answers should be structured. It also helps them discover topics they may not fully understand yet. By reviewing answers and explanations, students can improve their knowledge and confidence before the exam. Over time, consistent practice with past questions can greatly improve a student’s performance and time management during the examination.
How should students study JSS3 Basic Technology past questions effectively?
To study past questions effectively, students should first review their class notes and textbooks to understand the main concepts in Basic Technology. After that, they should attempt past questions without immediately checking the answers. This allows them to test their understanding. Once they finish, they can compare their answers with the correct solutions and identify areas where they made mistakes. Repeating this process regularly helps students strengthen weak areas and remember important definitions, diagrams, and explanations that frequently appear in the exam.
Are diagrams important in answering Basic Technology exam questions?
Yes, diagrams are very important in Basic Technology because the subject involves practical and visual concepts. Many questions require students to draw or label diagrams of tools, machines, or simple electrical circuits. For example, students may be asked to draw a simple lever system or label parts of a basic electrical circuit. Clear and correctly labeled diagrams can help students earn additional marks and demonstrate their understanding of the topic. Practicing how to draw these diagrams neatly and accurately is therefore an essential part of exam preparation.
Also Read: SS2 First Term Biology Past Questions and Answers
