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Primary 3 Science Diversity Quiz

Free P3 Science Diversity quiz, Ox Exam version, with questions, answers, and syllabus-aligned practice for Singapore students.

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Primary 3 Science From Real Exams Generated by Ox Alpha Updated 2026-08-27

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Questions

Primary 3 Science Quiz – Diversity

Name: ______________________ Class: ____________ Date: ______________ Score: ________ / 50

Duration: 45 minutes | Total Marks: 50

Instructions:

Answer ALL questions.
Section A: circle the letter of the correct answer.
Section B: fill in the blanks or write True/False.
Sections C and D: write your answers in the spaces provided.
The marks for each question are shown in brackets [ ].

Section A: Multiple Choice (Questions 1 to 5) — 10 marks

Question 1.

Four pupils wrote down things they saw in the school garden.

Ali: a mushroom growing on a fallen log
Beth: a plastic chair
Cai Hong: a fern
Devi: a stone

Which pupil observed a living thing that is not a plant? [2]

(a) Ali
(b) Beth
(c) Cai Hong
(d) Devi

Question 2.

Which characteristic shows that something is a living thing? [2]

(a) It can be found in many colours
(b) It needs food, water and air to stay alive
(c) It can be hard or soft
(d) It always keeps a fixed shape

Question 3.

Which group of animals all have feathers as their body covering? [2]

(a) duck, chicken, eagle
(b) dog, cat, rabbit
(c) guppy, snake, crocodile
(d) frog, lizard, shark

Question 4.

Which one of the following is a non-flowering plant? [2]

(a) hibiscus
(b) orchid
(c) moss
(d) sunflower

Question 5.

Ravi sorted some things into two groups.

Group X: iron nail, glass cup, wooden ruler
Group Y: cat, rose plant, mould

How did Ravi sort the things? [2]

(a) Group X: man-made things; Group Y: natural things
(b) Group X: living things; Group Y: non-living things
(c) Group X: things that can grow; Group Y: things that cannot grow
(d) Group X: things that need food; Group Y: things that do not need food

Section B: Fill in the Blanks / True or False (Questions 6 to 10) — 10 marks

Question 6.

Write Living or Non-living for each of the following. [2]

(a) bacteria: ____________
(b) robot: ____________
(c) yeast: ____________
(d) paper bag: ____________

Question 7.

Fill in each blank with a word from the box. Each word is used once. [2]

Word box: grow | die | reproduce

(a) All living things will eventually ____________.
(b) Young living things ____________ into adults.
(c) Living things produce young of the same kind. This is called ____________.

Question 8.

Write the body covering of each animal. Choose from: scales, feathers, fur. [2]

(a) goldfish: ____________
(b) sparrow: ____________
(c) rabbit: ____________

Question 9.

Write True or False for each statement. [2]

(a) A car can move, so it is a living thing. ____________
(b) Mould growing on bread is a living thing. ____________
(c) Plants do not need air. ____________
(d) Living things can reproduce. ____________

Question 10.

Sam put a snail in a sealed jar with no holes and left it for a few days. The snail died. Explain why. [2]

Section C: Short Answer (Questions 11 to 15) — 15 marks

Question 11.

List three characteristics of living things. [3]

Question 12.

Sort the following into flowering plants and non-flowering plants. [3]

banana plant, fern, papaya tree, moss

Flowering plants: ______________________________
Non-flowering plants: ______________________________

Question 13.

Give two differences between living things and non-living things. [3]

Question 14.

Classify each animal into fish, bird or mammal, and state one feature you used. [3]

(a) guppy: ____________
(b) chicken: ____________
(c) bat: ____________

Question 15.

Aisha found a greenish-grey, fuzzy organism growing on a piece of damp bread left in a cupboard.

(i) Name the organism. [1]
(ii) Is it a living thing? Give one reason. [2]

Section D: Application (Questions 16 to 20) — 15 marks

Question 16.

Mei Ling says a robot is a living thing because it can move and respond when she presses its buttons. Do you agree? Explain your answer. [3]

Question 17.

Sort the following into two labelled groups. [3]

ant, stone, fern, rain, butterfly, cloud

Question 18.

Give one reason why scientists classify living things into groups. [3]

Question 19.

A duck laid eggs which hatched into ducklings. What characteristic of living things does this show? [3]

Question 20.

Zhi Hao observed organism Y growing on a rotting log. It has no flowers and cannot make its own food.

(i) Is organism Y a plant? [1]
(ii) Explain your answer and state what kind of living thing it is. [2]

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Answers

Primary 3 Science Quiz – Diversity: Answer Key

Answer 1.

(a) Ali — a mushroom is a fungus, a living thing that is not a plant.

Answer 2.

(b) It needs food, water and air to stay alive.

Answer 3.

(a) duck, chicken, eagle.

Answer 4.

Answer 5.

(a) Group X: man-made things; Group Y: natural things.

Answer 6.

(a) bacteria: Living
(b) robot: Non-living
(c) yeast: Living
(d) paper bag: Non-living

Answer 7.

(a) die
(b) grow
(c) reproduce

Answer 8.

(a) goldfish: scales
(b) sparrow: feathers
(c) rabbit: fur

Answer 9.

(a) False — a car does not need food, water or air, and cannot grow or reproduce.
(b) True
(c) False — plants need air to make food and stay alive.
(d) True

Answer 10.

The snail needed air to survive. With no holes, there was no fresh air in the jar, so the snail died. This shows living things need air.

Answer 11.

Any three: they need food, water and air; they grow; they reproduce; they respond to changes around them; they eventually die.

Answer 12.

Flowering plants: banana plant, papaya tree
Non-flowering plants: fern, moss

Answer 13.

Any two: living things need food, water and air, but non-living things do not; living things can grow, reproduce and respond to changes, but non-living things cannot; living things eventually die, but non-living things do not.

Answer 14.

(a) guppy: fish
(b) chicken: bird
(c) bat: mammal Feature used: any correct feature, e.g. guppy lives in water and has fins/scales; chicken has feathers; bat has hair/fur and feeds its young milk.

Answer 15.

(i) Mould.
(ii) Yes, it is a living thing because it can grow and reproduce on the bread.

Answer 16.

No, I do not agree. A robot only moves and responds when controlled; it does not need food, water or air, cannot grow, cannot reproduce, and does not die. So it is non-living.

Answer 17.

Living things: ant, fern, butterfly
Non-living things: stone, rain, cloud

Answer 18.

Grouping living things makes it easier to identify, study and compare them.

Answer 19.

Reproduction — living things can produce young of the same kind so their kind continues.

Answer 20.

(i) No.
(ii) It is not a plant because it has no flowers and cannot make its own food. Organism Y is a fungus (a mushroom), which is still a living thing.