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Primary 5 Science Semestral Assessment 2 (End of Year) Paper 5

Free P5 Science SA2 Paper 5, HY3 Exam version, with questions, answers, and syllabus-aligned practice for Singapore students.

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Primary 5 Science From Real Exams Generated by Tencent HY3 Free Updated 2026-08-17

Questions

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Answers

TuitionGoWhere Exam Practice (AI) – SA2 Practice Paper Answer Key (Version 5)

Subject: Science
Level: Primary 5
Paper: SA2 Practice Paper
Total Marks: 60

Section A (10 marks)

  1. B — Some animals breathe with lungs, others with gills. (1m)
    Teaching note: Diversity means differences. Breathing structures vary among animals.

  2. C — Plastic toy. (1m)
    Teaching note: Plastic toy does not grow, reproduce, or need food.

  3. C — It grows and reproduces. (1m)
    Teaching note: Growth and reproduction are key signs of life.

  4. C — Water. (1m)
    Teaching note: Both plants and animals need water; not all need soil or only oxygen.

  5. A — Rock, water, air. (1m)
    Teaching note: All three are non-living.

  6. B — Movement method. (1m)
    Teaching note: Flying is a type of movement showing diversity.

  7. B — Diversity means there are differences among living and non-living things. (1m)

  8. B — Rose plant. (1m)
    Teaching note: Plants make food by photosynthesis.

  9. C — Living things. (1m)
    Teaching note: Fungi are living but not plants/animals.

  10. B — To understand the different forms of life and how they survive. (1m)

Section B (12 marks)

  1. (2m) Any two: living things grow / reproduce / need food / respond; non-living do not.
    Marking: 1m per correct difference.

  2. (2m) Example: bird (feathers) and fish (scales). (1m each)

  3. (2m) Birds breathe with lungs / fish breathe with gills. (2m)

  4. (2m) Any two: stone, water, soil, air. (1m each)

  5. (2m) A car moves because of engine/fuel, not because it is alive; it does not grow or reproduce. (2m)

  6. (2m) Fungi (e.g., mushroom/yeast). (2m)

Section C (28 marks)

  1. (a) Living: snail, spider, mushroom. Non-living: leaf (dead part, but commonly accepted as non-living once detached), stone, water. (3m: 1m per 2 correct placements, max 3)
    (b) Mushroom is living because it grows and reproduces. (1m)
    (c) Snail has shell, spider has 8 legs. (1m)

  2. (a) Fish and human (or frog). (1m)
    (b) Sunflower. (1m)
    (c) Human uses lungs, fish uses gills. (2m)
    (d) It grows, reproduces, needs sunlight. (2m)

  3. (a) B; it reproduces and needs food. (2m)
    (b) C. (1m)
    (c) B can move by itself / reproduce. (1m)

  4. (a) Living: fish, plant; non-living: water, stone. (4m: 1m each)
    (b) Fish has gills, plant makes food. (2m)
    (c) To keep balance and life forms safe. (2m)