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Primary 3 Science Practice Paper 3
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Questions
TuitionGoWhere Practice Paper - Science Primary 3
TuitionGoWhere Practice Paper (AI)
Subject: Science Level: Primary 3 Paper: Practice Paper — Diversity (Living & Non-Living Things) Duration: 40 minutes Total Marks: 40 Name: ___________________________ Class: ___________________________ Date: ___________________________
Instructions
- Answer ALL questions.
- Write your answers in the spaces provided.
- Read each question carefully before answering.
- The number of marks for each question is shown in brackets, e.g. (2).
- You are advised to spend about 40 minutes on this paper.
Section A: Multiple Choice (10 marks)
Questions 1–10 carry 1 mark each. Choose the most correct answer and write its letter in the space provided.
1. Which of the following is a living thing?
(a) A wooden chair (b) A plastic toy car (c) A garden snail (d) A metal spoon
Answer: ______________ (1)
2. Which characteristic is shared by ALL living things?
(a) They can fly. (b) They need water to survive. (c) They are made of metal. (d) They can talk.
Answer: ______________ (1)
3. A mushroom is classified as a type of __________.
(a) plant (b) animal (c) fungus (d) bacteria
Answer: ______________ (1)
4. Which of the following is a non-living thing?
(a) A caterpillar (b) A rose plant (c) A raindrop (d) A puppy
Answer: ______________ (1)
5. Which of these animals is a mammal?
(a) A lizard (b) A frog (c) A dolphin (d) A goldfish
Answer: ______________ (1)
6. A non-living thing does NOT __________.
(a) have a colour (b) take up space (c) grow and reproduce (d) have a shape
Answer: ______________ (1)
7. Which of the following is a flowering plant?
(a) Fern (b) Moss (c) Orchid (d) Mushroom
Answer: ______________ (1)
8. Which characteristic does a living thing show when it moves towards sunlight?
(a) It reproduces. (b) It responds to changes. (c) It needs air. (d) It grows taller.
Answer: ______________ (1)
9. Which of these is NOT a characteristic of living things?
(a) They need food and water. (b) They can grow. (c) They are always big. (d) They can reproduce.
Answer: ______________ (1)
10. A butterfly is classified as a/an __________.
(a) mammal (b) insect (c) reptile (d) amphibian
Answer: ______________ (1)
Section B: True or False (10 marks)
Questions 11–20 carry 1 mark each. Write True or False for each statement.
11. A rock is a non-living thing because it cannot grow or reproduce.
Answer: ______________ (1)
12. All living things can move from one place to another by themselves.
Answer: ______________ (1)
13. A fern is a non-flowering plant.
Answer: ______________ (1)
14. Bacteria are living things even though they are too small to see without a microscope.
Answer: ______________ (1)
15. A toy robot is a living thing because it can move and make sounds.
Answer: ______________ (1)
16. Living things need air, water, and food to survive.
Answer: ______________ (1)
17. A mushroom is a type of plant because it grows in soil.
Answer: ______________ (1)
18. A frog is an amphibian.
Answer: ______________ (1)
19. Non-living things can never change in any way.
Answer: ______________ (1)
20. An angsana tree is a flowering plant.
Answer: ______________ (1)
Section C: Short Answer & Classification (20 marks)
Answer all questions. The number of marks for each part is shown in brackets.
21. The following items were found at East Coast Park: a sand crab, a seashell, a coconut tree, a plastic bottle, and a seagull.
(a) Classify each item as living or non-living by completing the table below. (5)
| Item | Living or Non-Living? |
|---|---|
| Sand crab | |
| Seashell | |
| Coconut tree | |
| Plastic bottle | |
| Seagull |
(b) Give ONE characteristic that shows the sand crab is a living thing. (1)
(c) Explain why the plastic bottle is a non-living thing. (1)
22. Study the list of organisms below: monitor lizard, orchid, mould on bread, goldfish, fern, yeast.
(a) Sort the organisms into the correct groups by completing the table. (6)
| Group | Organisms |
|---|---|
| Animals | |
| Plants | |
| Fungi |
(b) Name TWO characteristics that all the organisms in the table above share. (2)
23. Mei Lin found a potted plant and a toy car on the table.
(a) State ONE way to show that the potted plant is a living thing. (1)
(b) Explain why the toy car is NOT a living thing even though it can be pushed to move. (2)
(c) Name ONE thing the potted plant needs to survive that the toy car does not need. (1)
24. The table below shows four animals and some of their characteristics.
| Animal | Has feathers | Has scales | Can fly | Lives in water |
|---|---|---|---|---|
| Eagle | ✓ | ✗ | ✓ | ✗ |
| Crocodile | ✗ | ✓ | ✗ | ✓ |
| Penguin | ✓ | ✗ | ✗ | ✓ |
| Gecko | ✗ | ✓ | ✗ | ✗ |
(a) Which animal is a bird but cannot fly? (1)
(b) Which animal is a reptile that lives in water? (1)
(c) How are the eagle and the penguin similar? Give ONE similarity. (1)
(d) Classify the gecko into its animal group. (1)
End of Paper
Check your work before you submit.
Answers
TuitionGoWhere Practice Paper — Science Primary 3
Answer Key: Diversity (Living & Non-Living Things)
Paper: Practice Paper — Diversity Total Marks: 40
Section A: Multiple Choice (10 marks)
1. (c) A garden snail (1)
- A garden snail is a living thing — it grows, reproduces, moves, and needs food, water, and air.
- Common mistake: Students may pick (b) because toy cars can be moved, but they cannot grow or reproduce on their own.
2. (b) They need water to survive. (1)
- All living things need water (along with food and air) to survive.
- Not all living things can fly (e.g., plants), talk (e.g., plants, insects), or are made of metal.
3. (c) fungus (1)
- A mushroom is a fungus, not a plant. It does not make its own food through photosynthesis.
- Common mistake: Students often think mushrooms are plants because they grow in soil and do not move.
4. (c) A raindrop (1)
- A raindrop is non-living — it cannot grow, reproduce, or respond to stimuli.
- A caterpillar, rose plant, and puppy are all living things.
5. (c) A dolphin (1)
- A dolphin is a mammal — it breathes air, gives birth to live young, and feeds its young milk.
- A lizard is a reptile, a frog is an amphibian, and a goldfish is a fish.
6. (c) grow and reproduce (1)
- Non-living things do not grow (in the biological sense) or reproduce.
- Non-living things can have colour, shape, and take up space.
7. (c) Orchid (1)
- An orchid produces flowers. Ferns and mosses are non-flowering plants. A mushroom is a fungus, not a plant.
8. (b) It responds to changes. (1)
- Moving towards sunlight is a response to a stimulus (light). This shows the plant responds to changes in its environment.
9. (c) They are always big. (1)
- Living things can be very small (e.g., ants, bacteria). Size is not a characteristic of living things.
10. (b) insect (1)
- A butterfly is an insect — it has six legs, a three-part body, and undergoes metamorphosis.
Section B: True or False (10 marks)
11. True (1)
- A rock does not grow (biologically), reproduce, need food, or respond to stimuli. It is non-living.
12. False (1)
- Not all living things can move from place to place. For example, plants are living but do not move around. However, plants can respond to stimuli (e.g., growing towards light).
- Marking note: Award 1 mark for "False". Do not accept "True".
13. True (1)
- A fern reproduces using spores, not flowers. It is a non-flowering plant.
14. True (1)
- Bacteria are living things. They grow, reproduce, and need nutrients. They are simply too small to see without a microscope.
15. False (1)
- A toy robot is non-living. Although it can move and make sounds, it does not grow, reproduce, or need food, water, and air. It needs batteries, not food.
- Common misconception: Movement and sound do not make something living.
16. True (1)
- All living things need air, water, and food to survive. This is a key characteristic of living things.
17. False (1)
- A mushroom is a fungus, not a plant. It does not have roots, stems, or leaves, and it does not make its own food through photosynthesis.
- Marking note: Award 1 mark for "False".
18. True (1)
- A frog is an amphibian — it can live both in water and on land. It has moist skin and undergoes metamorphosis (tadpole → frog).
19. False (1)
- Non-living things CAN change. For example, ice melts into water, and a rusty nail changes colour. However, these are not biological growth or reproduction.
- Marking note: Award 1 mark for "False". Students should understand that non-living things can undergo physical or chemical changes.
20. True (1)
- The angsana tree produces flowers and is classified as a flowering plant.
Section C: Short Answer & Classification (20 marks)
21. (a) Classification table (5) — 1 mark per correct row.
| Item | Living or Non-Living? |
|---|---|
| Sand crab | Living |
| Seashell | Non-living |
| Coconut tree | Living |
| Plastic bottle | Non-living |
| Seagull | Living |
- Note: A seashell is the empty shell left behind after the sea creature has died. By itself, it does not show characteristics of living things.
(b) Any ONE of the following: (1)
- It can move by itself.
- It can grow.
- It needs food/water/air to survive.
- It can reproduce.
- It responds to changes in its environment.
(c) The plastic bottle is non-living because it cannot grow, reproduce, or respond to stimuli (accept any one valid reason). (1)
- Accept also: It does not need food, water, or air to survive.
22. (a) Sorting table (6) — 1 mark per correct organism placed.
| Group | Organisms |
|---|---|
| Animals | Monitor lizard, Goldfish |
| Plants | Orchid, Fern |
| Fungi | Mould on bread, Yeast |
- Marking note: Award 1 mark for each correctly placed organism (6 organisms × 1 mark each). If an organism is placed in the wrong group, deduct that mark.
(b) Any TWO of the following: (2) — 1 mark each.
- They can grow.
- They can reproduce.
- They need water to survive.
- They need food/nutrients to survive.
- They need air to survive.
- They respond to changes in their environment.
23. (a) Any ONE of the following: (1)
- It can grow (e.g., new leaves appear, the stem gets taller).
- It needs water and sunlight to survive.
- It responds to light (e.g., grows towards the window).
- It can reproduce (e.g., produces seeds or new shoots).
(b) The toy car is not a living thing because: (2)
- It cannot grow on its own — it stays the same size unless someone changes it. (1)
- It cannot reproduce — it cannot make new toy cars by itself. (1)
- Accept also: It does not need food, water, or air. It needs batteries, which is not the same as food.
- Marking note: Award 2 marks for two valid reasons. Award 1 mark for one valid reason.
(c) Any ONE of the following: (1)
- Water
- Sunlight / light
- Air
- Food / nutrients
24. (a) Penguin (1)
- The penguin has feathers (bird characteristic) but the table shows it cannot fly.
(b) Crocodile (1)
- The crocodile has scales (reptile characteristic) and lives in water.
(c) Any ONE of the following: (1)
- Both have feathers.
- Both are birds.
- Both lay eggs.
(d) Reptile (1)
- The gecko has scales and does not have feathers, placing it in the reptile group.
Marking Summary
| Section | Marks |
|---|---|
| Section A: Multiple Choice (Q1–10) | 10 |
| Section B: True or False (Q11–20) | 10 |
| Section C: Short Answer & Classification (Q21–24) | 20 |
| Total | 40 |
This practice paper was generated by TuitionGoWhere (AI) based on the MOE Primary 3 Science syllabus. It is designed for practice purposes and is not an actual past-year examination paper.