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JSSCE Basic Science and Technology past questions.

346 real JSSCE (Junior WAEC / BECE) questions from 2023 to 2026, every one with a worked solution. Practise them timed, on the web, on Android, or offline on desktop.

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Questions held
346
Years covered
4
Questions per paper
50
Time allowed
60 min
Try 5

Sample Basic Science and Technology questions, answered.

Taken straight from the papers below — one from each of the most recent years, with the answer marked and the reasoning written out.

JSSCE Basic Science and Technology 2026 · Question 1
Why is fuse used in an electrical circuit?
  1. To increase voltage
  2. To reduce resistance
  3. To protect circuit from overload — correct answer
  4. To store electricity
Worked solution
A fuse melts and breaks the circuit when excess current flows, protecting the circuit and appliances from overload.
JSSCE Basic Science and Technology 2026 · Question 2
A technician wants to cut and twist electrical wires, the tool to be used is ...
  1. hammer
  2. pliers — correct answer
  3. chisel
  4. saw
Worked solution
Pliers (e.g. combination pliers) are used to grip, cut and twist electrical wires.
JSSCE Basic Science and Technology 2025 · Question 1
________ falsify their identities.
  1. Phishers — correct answer
  2. Computer viruses
  3. Spywares
  4. Camcorders
Worked solution
Phishers pretend to be trusted persons or organisations (falsify their identity) to trick victims into revealing sensitive information.
JSSCE Basic Science and Technology 2024 · Question 1
In a group discussion, students were asked to compare an acid with a base. They concluded that ____.
  1. both taste sour
  2. both taste bitter
  3. both undergo neutralization reaction — correct answer
  4. both have same appearance
Worked solution
Acids taste sour and bases taste bitter, but both take part in neutralization (acid + base → salt + water).
JSSCE Basic Science and Technology 2023 · Question 1
A boy collapsed in the class and was rushed to the school clinic. The following are the professionals that will attend to him in the clinic.
  1. Driver, nurse, doctor
  2. Nurse, laboratory technologist, doctor — correct answer
  3. Cleaner, attendant, doctor
  4. Nurse, teacher, laboratory technologist
Worked solution
Health professionals in a clinic include the nurse, the laboratory technologist and the doctor; drivers, cleaners and teachers are not health professionals.
Every paper we hold

JSSCE Basic Science and Technology, year by year.

2026
79 questions
2025
99 questions
2024
85 questions
2023
83 questions
Before you sit it

How JSSCE Basic Science and Technology is set.

JSSCE (Junior WAEC / BECE) sets 50 questions in Basic Science and Technology, answered in 60 minutes — about 72 seconds a question. Practising against that clock is the part most candidates skip, and it is the part that costs marks.

We hold 346 published Basic Science and Technology questions spanning 2023 to 2026. You can practise any single year’s paper, or sit a full timed mock that mirrors the real interface — the navigator, the flags and the auto-submit included.

Every question you get wrong comes back the next day, then at longer gaps until it sticks, and your home page leads with your weakest subjects.

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