P3 Science CA1 2025 — Red Swastika

P3 Science 2025 CA1 12 questions 30 marks

Source: Red Swastika, 2025

This P3 Science CA1 paper from Red Swastika (2025) covers animals and life cycles, classification and plants across 12 questions worth 30 marks. Practise Science the way it's tested at P3 level in Singapore, with step-by-step answers on LearnBuddy.

Q1 MCQ 2 marks 🖼 Visual
Look at the table below. | Living things | Non-living things | | fire | cup | | butterfly | car | Which item in the table is grouped wrongly?
Q2 MCQ 2 marks
Which of the following is a characteristic of mammals?
Q3 MCQ 2 marks 🖼 Visual
James spotted a bird's nest fern as shown below. Which of the following statements about the bird's nest fern is incorrect?
Q4 MCQ 2 marks 🖼 Visual
Study the diagrams below. Which of the following are the most suitable headings for groups X and Y?
Q5 MCQ 2 marks 🖼 Visual
Rina observed that the leaves of a tree open up in the day but close up at night as shown below. Which characteristic of living things is shown by the leaves above?
Q6 MCQ 2 marks 🖼 Visual
Study the flowchart below. What could M and N most likely be?
Q7 MCQ 2 marks 🖼 Visual
The table below shows the characteristics of animals A, B, C and D. | | Has dry skin | Has hair | | Lives in water | A | B | | Does not live in water | C | D | The diagram below shows a dolphin. Which letter in the table above represents the dolphin?
Q8 MCQ 2 marks 🖼 Visual
The table below shows the characteristics of four animals, W, X, Y and Z. | Characteristics | W | X | Y | Z | | Has hair | | ✓ | ✓ | | | Has wings | ✓ | ✓ | | | | Has a hard outer covering | | | | ✓ | Which animal is most likely an insect?
Q9 MCQ 2 marks 🖼 Visual
Nadia found four different plants, A, B, C and D. She recorded her observations of their characteristics in the table below. | Characteristics | A | B | C | D | | Bears fruits | No | No | Yes | Yes | | Grows on land | Yes | No | Yes | No | Using the information in the table above, Nadia wants to classify the four plants into the classification chart below. Which plant, A, B, C or D, can be classified under P?
Q10 Structured 4 marks 🖼 Visual
Ahmad saw two animals, A and B, as shown below. (a) State the animal groups that animals A and B belong to. (2m) Animal A: ____ Animal B: ____ (b) State a similarity in the way animals A and B reproduce. (1m) (c) State a difference in the body coverings of animals A and B. (1m)
Q11 Structured 4 marks 🖼 Visual
Gerald has a toy robot. It is able to move and respond to sounds. (a) However, Gerald knows that the toy robot is not a living thing. Using the characteristics of living things, state two reasons why the robot is not a living thing. (2m) Reason 1: ____ Reason 2: ____ The table below shows the characteristics of two animals, M and N. | Characteristics | M | N | | Gives birth to young alive | ✓ | | | Has three body parts | | ✓ | | Lives on land | | ✓ | | Lives in water | ✓ | | (b) Based on the information above, write M and N into the correct boxes in the classification chart below. (2m)
Q12 Structured 4 marks 🖼 Visual
Study the diagram of the plant below. (a) Name part Y of the plant above. (1m) (b) How does the plant above reproduce? (1m) Ashley placed four similar plants, A, B, C and D, under different conditions as shown in the table below. | | A | B | C | D | | Plant was watered daily | Yes | Yes | No | No | | Place where plant was left | Garden | Inside a dark cupboard | Garden | Inside a dark cupboard | (c) Predict which plant is likely to die first. (1m) (d) Give a reason for your answer in (c). (1m)

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