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Primary 3 Science Diversity Quiz
Free AI-Generated Owl Alpha Primary 3 Science Diversity quiz with questions and answers for Singapore students. This page is rendered as a direct URL so the questions and answers can be discovered without pressing in-page buttons.
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Questions
Primary 3 Science Quiz - Diversity
Name: ____________________
Class: ____________________
Date: ____________________
Score: _____ / 40
Duration: 40 minutes
Total Marks: 40
Instructions:
- Read each question carefully before answering.
- Write your answers in the spaces provided.
- For multiple-choice questions, shade the correct oval (a), (b), (c), or (d).
- For True/False questions, write "True" or "False" on the line.
- For open-ended questions, write your answer in complete sentences where possible.
- You are not allowed to use a calculator.
Section A: Multiple-Choice Questions (10 marks)
Questions 1–5. Each question carries 2 marks. Choose the most accurate answer.
1. Which of the following is a living thing?
(a) A plastic cup
(b) A wooden chair
(c) A garden snail
(d) A rubber ball
Answer: ___________
2. Which characteristic is shared by ALL living things?
(a) They can fly.
(b) They need water to survive.
(c) They are large in size.
(d) They make loud sounds.
Answer: ___________
3. A mushroom is classified as a type of:
(a) Plant
(b) Animal
(c) Fungus
(d) Bacteria only
Answer: ___________
4. Which of the following is a non-living thing?
(a) A caterpillar
(b) A raindrop
(c) A hibiscus plant
(d) A gecko
Answer: ___________
5. Which animal below is an insect?
(a) A sparrow
(b) A butterfly
(c) A frog
(d) A goldfish
Answer: ___________
Section B: True or False (10 marks)
Questions 6–10. Each question carries 2 marks. Write "True" or "False" on the line.
6. A toy car is a living thing because it can move.
Answer: ___________
7. All living things need air, water, and food to survive.
Answer: ___________
8. A mushroom is a non-living thing because it does not move from place to place.
Answer: ___________
9. A bird is a living thing that can reproduce by laying eggs.
Answer: ___________
10. Non-living things can grow bigger on their own.
Answer: ___________
Section C: Short-Answer Questions (10 marks)
Questions 11–15. Write your answers in the spaces provided.
11. (2 marks)
List two characteristics that all living things share.
(a) _______________________________________________________________
(b) _______________________________________________________________
12. (3 marks)
The table below shows a list of items. Classify each item as Living or Non-living by writing your answer in the correct column.
| Item | Living or Non-living? |
|---|---|
| Goldfish | ___________________ |
| Pencil | ___________________ |
| Orchid | ___________________ |
| Teddy bear | ___________________ |
| Ant | ___________________ |
13. (2 marks)
Which of these is a characteristic of living things? Circle the correct option.
(a) They do not need food.
(b) They can reproduce.
(c) They never change.
(d) They cannot respond to changes around them.
Answer: ___________
14. (1 mark)
A lizard is an example of a:
(a) Mammal
(b) Bird
(c) Reptile
(d) Amphibian
Answer: ___________
15. (2 marks)
Name one group of living things that can make their own food using sunlight. Give one reason why they can do this.
Group: _______________________________________________________________
Reason: _______________________________________________________________
Section D: Structured Questions (10 marks)
Questions 16–20. Write your answers in the spaces provided.
16. (2 marks)
A flowering plant and a non-flowering plant are both grouped under which kingdom?
(a) Animals
(b) Fungi
(c) Plants
(d) Bacteria
Answer: ___________
17. (2 marks)
Study the list of animals below:
Eagle, Earthworm, Crocodile, Penguin, Jellyfish, Toad
(a) (1 mark) Name one animal from the list that is a bird.
(b) (1 mark) Name one animal from the list that is a reptile.
18. (2 marks)
Mei Lin found the following things during a walk at East Coast Park:
A crab, a seashell, a seagull, a plastic bottle, and seaweed
(a) (1 mark) Which one of the above is a non-living thing that was once part of a living thing?
(b) (1 mark) List one living thing from Mei Lin's list and give one characteristic of living things that it shows.
Living thing: _____________________
Characteristic shown: _______________________________________________________________
19. (2 marks)
Explain why a plastic bottle is a non-living thing. Give two reasons.
(i) _______________________________________________________________
(ii) _______________________________________________________________
20. (2 marks)
Ravi says: "A burning candle is a living thing because the flame moves and the candle gets smaller over time."
(a) (1 mark) Do you agree with Ravi? Circle your answer.
Yes / No
(b) (1 mark) Give one reason why the candle is not a living thing.
End of Quiz
Answers
Primary 3 Science Quiz — Diversity
Answer Key
Section A: Multiple-Choice Questions (2 × 5 = 10 marks)
1. (c) A garden snail
Reasoning: A garden snail is an animal and is a living thing. A plastic cup, wooden chair, and rubber ball are non-living things.
Common mistake: Students may choose (b) wooden chair because wood comes from trees (living things), but the chair itself is non-living.
2. (b) They need water to survive.
Reasoning: All living things need water, food, and air to survive. Not all living things can fly, are large, or make loud sounds.
3. (c) Fungus
Reasoning: Mushrooms belong to the Fungi kingdom. They are not plants because they do not make their own food using sunlight.
4. (b) A raindrop
Reasoning: A raindrop is water and is non-living. A caterpillar, hibiscus plant, and gecko are all living things.
5. (b) A butterfly
Reasoning: A butterfly is an insect (it has six legs, a three-part body, and wings). A sparrow is a bird, a frog is an amphibian, and a goldfish is a fish.
Section B: True or False (2 × 5 = 10 marks)
6. False
Reasoning: A toy car moves only when pushed or wound up by a person. It cannot move by itself, does not grow, does not reproduce, and does not need food, water, or air. Movement alone does not make something living.
7. True
Reasoning: All living things need air, water, and food to survive. This is one of the key characteristics of living things.
8. False
Reasoning: A mushroom is a fungus, which is a living thing. It can grow and reproduce. The fact that it does not move from place to place does not make it non-living. Living things do not need to move around to be considered living.
9. True
Reasoning: Birds are living things. They reproduce by laying eggs, which is a form of reproduction.
10. False
Reasoning: Non-living things do not grow on their own in the biological sense. A balloon getting bigger when inflated is not growth — it is being filled with air by an outside force. Growth in living things happens from within.
Section C: Short-Answer Questions (10 marks)
11. (2 marks)
Accept any two of the following (1 mark each):
- They need water to survive.
- They need food to survive.
- They need air to survive.
- They can grow.
- They can reproduce.
- They can move by themselves.
- They can respond to changes (stimuli) around them.
Marking note: Award 1 mark for each correct characteristic, up to a maximum of 2 marks. Do not accept vague answers like "they are alive" or "they breathe" without further context (though "they breathe" is acceptable as it relates to needing air).
12. (3 marks)
Award 1 mark for every two correct answers (rounded up). All 5 correct = 3 marks; 3–4 correct = 2 marks; 1–2 correct = 1 mark; 0 correct = 0 marks.
| Item | Living or Non-living? |
|---|---|
| Goldfish | Living |
| Pencil | Non-living |
| Orchid | Living |
| Teddy bear | Non-living |
| Ant | Living |
Marking note: The goldfish, orchid, and ant are living things. The pencil and teddy bear are non-living things.
13. (2 marks)
(b) They can reproduce.
Reasoning: Reproduction is a key characteristic of living things. The other options describe things that living things do NOT do — living things do need food, they do change (e.g., they grow), and they can respond to changes around them.
14. (1 mark)
(c) Reptile
Reasoning: Lizards are reptiles — they have dry, scaly skin and lay eggs on land. Mammals have hair/fur, birds have feathers, and amphibians have smooth, moist skin.
15. (2 marks)
Group: Plants (1 mark)
Reason: They can make their own food through photosynthesis using sunlight, water, and carbon dioxide. (1 mark)
Accept: Any valid explanation that references photosynthesis or making food using sunlight.
Marking note: Award 1 mark for correctly identifying "plants" and 1 mark for a valid reason. Accept "They contain chlorophyll" or "They use sunlight to make food" as valid reasons.
Section D: Structured Questions (10 marks)
16. (2 marks)
(c) Plants
Reasoning: Both flowering and non-flowering plants belong to the Plant kingdom.
17. (2 marks)
(a) (1 mark)
Eagle or Penguin
Reasoning: Eagles and penguins are both birds. They have feathers and lay eggs.
(b) (1 mark)
Crocodile
Reasoning: A crocodile is a reptile (dry, scaly skin, lays eggs on land).
Marking note: If a student writes "Eagle" or "Penguin" for reptile, do not award the mark.
18. (2 marks)
(a) (1 mark)
Seashell
Reasoning: A seashell was once part of a living thing (a mollusc such as a snail or clam). The shell itself is non-living, but it was produced by a living organism.
(b) (1 mark)
Accept any one of the following:
Living thing: Crab
Characteristic shown: It can move by itself / It needs food and water to survive / It can grow / It can reproduce.
Living thing: Seagull
Characteristic shown: It can move by itself / It needs food and water to survive / It can grow / It can reproduce / It can respond to changes.
Living thing: Seaweed
Characteristic shown: It can grow / It can make its own food using sunlight / It needs water to survive / It can reproduce.
Marking note: Award 1 mark for a correct living thing paired with a valid characteristic of living things. The characteristic must match the organism (e.g., "the crab can move by itself" is valid; "the crab can fly" is not).
19. (2 marks) — 1 mark each
Accept any two of the following:
- It cannot grow on its own.
- It cannot reproduce.
- It does not need food, water, or air to survive.
- It cannot move by itself.
- It cannot respond to changes around it.
Marking note: Answers must relate to characteristics of living things that the plastic bottle lacks. Do not accept "it is made of plastic" alone without linking it to a characteristic.
20. (2 marks)
(a) (1 mark)
No
Reasoning: A burning candle is not a living thing.
(b) (1 mark)
Accept any one of the following:
- A candle cannot reproduce — it cannot make new candles by itself.
- A candle does not grow from within — it gets smaller as the wax melts, which is not growth.
- A candle does not need food, water, or air to survive.
- A candle cannot respond to changes around it the way living things do.
- A candle cannot move by itself.
Marking note: Award 1 mark for each valid reason. The key is that students must identify a characteristic of living things that the candle lacks.
End of Answer Key