Science

Systems Practice Questions

MOE-aligned Science practice questions on Systems for Singapore primary school students. Each question includes a full worked solution.

980 questions available

• Primary 5 · Advanced — In a parallel circuit with three bulbs (B1, B2, B3) and three switches (S1, S2, ...
• Primary 5 · Foundation — Which part of a plant cell contains chlorophyll and is where photosynthesis occu...
• Primary 5 · Standard — In which of the following circuits will the bulbs be the brightest? (All bulbs a...
• Primary 5 · Standard — Which of the following correctly describes the flow of blood that is rich in oxy...
• Primary 5 · Advanced — In a parallel circuit with three identical bulbs, if one bulb fuses, what happen...
• Primary 5 · Advanced — Study the circuit below. Which switch(es) must be closed for Bulb B1 to light up...
• Primary 5 · Foundation — Which part of the cell is known as the 'control centre' because it contains gene...
• Primary 4 · Standard — Siti removed a ring of bark from a stem, taking away the food-carrying tubes. Wh...
• Primary 5 · Standard — Siti went for a 2.4km run. Which of the following correctly describes the change...
• Primary 5 · Advanced — In a mixed circuit, two bulbs are in parallel and connected in series with a bat...
• Primary 5 · Foundation — Which part of a plant cell provides it with a fixed, regular shape?...
• Primary 5 · Standard — Which of the following correctly describes the transport of food and water in a ...
• Primary 4 · Standard — In which part of the human digestive system is most of the digested food absorbe...
• Primary 5 · Standard — Siti observed a cell under a microscope. She noticed it had a nucleus and a cell...
• Primary 5 · Foundation — What is the main function of the water-carrying tubes in a plant?...
• Primary 5 · Standard — Which of the following correctly describes the function of the water-carrying tu...
• Primary 5 · Advanced — Siti was exercising. Which of the following correctly shows the flow of blood th...
• Primary 5 · Standard — Which organ is responsible for pumping blood rich in oxygen to the rest of the b...
• Primary 4 · Standard — What is the primary function of the roots in a plant?...
• Primary 4 · Foundation — What is the main function of the leaves of a green plant?...