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Primary 5 Science Diversity Quiz
Free P5 Science Diversity quiz, GLM5.3 AI version, with questions, answers, and syllabus-aligned practice for Singapore students.
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Answers
Primary 5 Science Quiz - Diversity: Answer Key
Total Marks: 50
Answer 1. (2 marks)
(b) mould growing on bread — it grows, responds and needs food, so it is living.
Answer 2. (2 marks)
(c) birds — they are the only group with feathers and beaks that lay eggs.
Answer 3. (2 marks)
(c) has hair and feeds its young with milk — key mammal characteristics.
Answer 4. (2 marks)
(b) fern — ferns are non-flowering plants that reproduce by spores.
Answer 5. (2 marks)
(a) cannot make their own food — fungi lack chlorophyll and feed on other matter.
Answer 6. (2 marks)
(b) Some bacteria are useful, such as those used to make yoghurt.
Answer 7. (2 marks)
(b) transparent and allows light to pass through.
Answer 8. (2 marks)
(a) waterproof and flexible — keeps rain out and can fold without breaking.
Answer 9. (2 marks)
(b) X: reptile, Y: amphibian.
Answer 10. (2 marks)
(b) Insects: ant, butterfly | Not insects: spider, centipede — spiders have eight legs; centipedes have many legs, so neither has six legs.
Answer 11. (3 marks)
- Flowering plants bear flowers and reproduce by seeds made in flowers; example: hibiscus (or sunflower, orchid).
- Non-flowering plants do not bear flowers; most reproduce by spores; example: fern (or moss).
- Award 1 mark per correct difference and 1 mark for both examples.
Answer 12. (3 marks)
- Scales: guppy
- Moist skin: frog
- Feathers: chicken
- Hair: cat
- Award 1 mark for every two correct matches (all four needed for full marks).
Answer 13. (3 marks)
Any two points:
- The whale breathes with lungs, not gills.
- It gives birth to live young instead of laying eggs.
- It feeds its young with milk.
- It is warm-blooded.
Answer 14. (3 marks)
An insect has three body parts and six legs. A spider has only two body parts and eight legs, so it is not an insect.
Answer 15. (3 marks)
- Similarity: both are living things (they grow, respond to surroundings and need food/air/water).
- Difference: green plants make their own food using chlorophyll and sunlight, while fungi cannot make their own food and feed on decaying or other matter.
Answer 16. (3 marks)
- Useful: bacteria are used to make yoghurt and cheese, or help decompose dead matter.
- Harmful: some bacteria cause diseases (e.g., food poisoning) or spoil food.
Answer 17. (3 marks)
The metal pot is more suitable. Reasons:
- Metal is strong and does not melt or soften at high temperatures, while thin plastic may melt or deform.
- Metal conducts heat well, allowing the soup to be heated evenly.
Answer 18. (3 marks)
- Glass: transparent and waterproof, so light passes through and rain stays out.
- Cardboard: opaque and absorbs water, blocking light and becoming soggy.
- Conclusion: glass is the suitable material for a window pane.
Answer 19. (3 marks)
- A: hair (mammals have hair)
- B: any bird, e.g., chicken, eagle, duck
- Extra fish example: guppy accepted alternatives include goldfish, clownfish, tuna
Answer 20. (3 marks)
She used whether the organism is a plant. The mushroom is a fungus — it cannot make its own food — while the fern, moss and mango tree are all plants that make their own food. (Accept: Group 1 is a fungus, Group 2 are plants.)