Singapore G3 Science Physics and Biology free practice questions with answers
Read question 1 and its full worked answer from paper 1 of our 20-paper Singapore G3 Science Physics and Biology set, then download the 4-page PDF. These are original practice questions, not official past papers. Page updated 3 November 2026.
Which of the following is a vector quantity? [1 mark]
A Speed
B Force
C Mass
D Time
Correct answer: B — Force
- Force has both size and direction.
- Why the other options are wrong:
- A (Speed): Not correct: Force has both size and direction.
- C (Mass): Not correct: Force has both size and direction.
- D (Time): Not correct: Force has both size and direction.
Force has both size and direction.
Your sample is downloading. Liked it? Singapore G3 Science Physics and Biology Paper 1 is the full paper: Paper 1 (40 multiple-choice questions, 40 marks) and a 65-mark structured paper for each science, each with a 55-mark Section A and a Section B choice of one from two; no practical Paper 5, with a worked solution for every question.
Get Paper 1 for A$11.99See all 20 papers from A$11.99More free Singapore Secondary (SEC G2 and G3) samples
Questions about this sample
What is in the Singapore G3 Science Physics and Biology free sample?
The first 3 questions from paper 1 of the set, in the real exam layout, followed by the step-by-step worked answers. It is a 4-page PDF; this page shows question 1 with its answer.
How many full Singapore G3 Science Physics and Biology papers are there?
20 original papers for Singapore secondary students preparing for SEC G3 Science (Physics, Biology) (K327) from 2027. Each is Paper 1 (40 multiple-choice questions, 40 marks) and a 65-mark structured paper for each science, each with a 55-mark Section A and a Section B choice of one from two; no practical Paper 5, with a worked solution for every question. Papers start at A$11.99 and download instantly as a PDF.
Are these official past papers?
No. The sample is taken from our own original practice paper and is not an official past paper or affiliated with any exam authority.