Primary 3 Science Life Cycles Quiz

Primary 3 Science Quiz - Life Cycles

Subject: Science | Level: Primary 3 | Topic: Cycles in Plants and Animals (Life Cycles) Version: 1 of 5 | Duration: 45 minutes | Total Marks: 35

Name: ______________________ Class: ____________ Date: ______________ Score: ________ / 35

Instructions:

• Answer ALL 20 questions.
• Section A: circle the correct option (A), (B), (C) or (D).
• Sections B and C: write your answers in the spaces given.
• The marks for each question are shown beside it.
• This quiz is built from syllabus-based practice templates. It is not taken from any past-year examination paper.

Section A: Multiple Choice (Questions 1–8, 1 mark each)

Question 1.

A butterfly begins its life as an egg. Which option shows the correct order of the stages in a butterfly's life cycle?

(A) egg → caterpillar → pupa → butterfly (B) egg → pupa → caterpillar → butterfly (C) caterpillar → egg → pupa → butterfly (D) egg → caterpillar → butterfly → pupa

(1 mark)

Question 2.

Which animal's young looks MOST like its adult?

(A) the tadpole of a frog (B) the caterpillar of a butterfly (C) the chick of a chicken (D) the larva of a mosquito

(1 mark)

Question 3.

A young animal lives in water, swims with a long tail and breathes through gills. When it grows up, it has four legs, has no tail and hops on land near ponds. Which animal is it?

(A) chicken (B) frog (C) grasshopper (D) cockroach

(1 mark)

Question 4.

A grasshopper egg hatches. Which stage does the young grasshopper enter next?

(A) pupa (B) nymph (C) tadpole (D) caterpillar

(1 mark)

Question 5.

Where does an adult female mosquito usually lay her eggs?

(A) on dry land under fallen leaves (B) in still water such as a pond or an empty pail (C) inside ripe fruits (D) on the feathers of birds

(1 mark)

Question 6.

Which animal has a life cycle with FOUR stages, including a pupa stage?

(A) chicken (B) grasshopper (C) cockroach (D) beetle

(1 mark)

Question 7.

Four picture cards show stages in the life cycle of a butterfly.

Image pending generation: diagram for Q7.

Starting from the egg, which order shows the butterfly's life cycle correctly?

(A) Q → R → S → P (B) Q → S → R → P (C) R → Q → S → P (D) S → R → Q → P

(1 mark)

Question 8.

A bean plant grows flowers, and fruits with seeds form. Which option shows the correct order of a flowering plant's life cycle?

(A) seed → young plant → adult plant (B) young plant → seed → adult plant (C) adult plant → young plant → seed (D) seed → adult plant → young plant

(1 mark)

Section B: Short Answer (Questions 9–14)

Question 9.

In the life cycle of a butterfly, the stage that hangs almost without moving and has a hard outer case is called the __________________.

(1 mark)

Question 10.

Write True or False: A young frog (tadpole) looks very similar to its adult.

Answer: ______________________

(1 mark)

Question 11.

Give TWO differences between a young cockroach (nymph) and an adult cockroach.

Difference 1: ______________________________________________________

Difference 2: ______________________________________________________

(2 marks)

Question 12.

Complete the table to show the life cycle of a beetle.

Stage	Name of stage
1	Egg
2	____________________
3	____________________
4	Adult beetle

(2 marks)

Question 13.

Ben says, "A hen lays eggs. The eggs hatch into chicks, and the chicks grow into hens. After that, the chicken's life cycle ends."

Do you agree with Ben? Explain why the chicken's life cycle is called a cycle.

---

---

(2 marks)

Question 14.

(a) How many stages are there in the life cycle of a grasshopper? ______________

(b) Name the stage that a butterfly has in its life cycle but a grasshopper does not have. ______________

(2 marks)

Section C: Structured Questions (Questions 15–20)

Question 15.

Nurul placed a green bean seed on wet cotton wool in a clear plastic cup. After three days, she saw a tiny root growing downwards and a small shoot growing upwards.

(a) Name this young stage of the plant. __________________

(b) Give ONE reason why Nurul used WET cotton wool instead of dry cotton wool. ______________________________________

(2 marks)

Question 16.

A tadpole lives in water and swims using its long tail. An adult frog has four legs, no tail and can hop onto land.

(a) Name the young of the frog. ______________

(b) Write ONE difference between the tadpole and the adult frog. ______________________________________

(c) Write ONE way in which the tadpole and the adult frog are similar. ______________________________________

(3 marks)

Question 17.

Ali wants to sort four animals into two groups by the number of stages in their life cycles: butterfly, grasshopper, chicken, beetle.

(a) Write the animals that have a THREE-stage life cycle. ______________________

(b) Write the animals that have a FOUR-stage life cycle. ______________________

(c) Name the stage found in a four-stage life cycle but NOT in a three-stage life cycle. ______________

(3 marks)

Question 18.

Mei Ling mixed up the stages of a chicken's life cycle: chick, adult hen, egg.

(a) Rewrite the stages in the correct order, starting from the egg. ______________________________

(b) Where does a hen lay and keep her eggs until they hatch? ______________

(c) What covers and protects the outside of a chicken's egg? ______________

(3 marks)

Question 19.

A bean plant grows from a seed into an adult plant. The adult plant produces flowers, and later fruits appear on the plant.

(a) Name the part of the plant that becomes the fruit. ______________

(b) Name the parts found inside the fruit that can grow into new plants. ______________

(c) Explain why the bean plant's life cycle is called a cycle. ______________________________________

(3 marks)

Question 20.

Complete the table about the young of two animals.

Animal	Name of the young	Does the young look like the adult? (Yes / No)
Cockroach	____________________	____________________
Butterfly	____________________	____________________

(3 marks)

END OF QUIZ