Primary 3 Science Life Cycles Quiz

Primary 3 Science Quiz - Life Cycles

Name: ___________________________
Class: ___________________________
Date: ___________________________
Score: ___________ / 20

Duration: 40 minutes
Total Marks: 20

Instructions:

• This quiz has 20 questions on Life Cycles.
• Section A: 10 multiple-choice questions (1 mark each).
• Section B: 5 short-answer questions (1 mark each).
• Section C: 5 structured questions with subparts (1 mark each, total 5 marks).
• Write your answers clearly in the spaces provided.

Section A: Multiple Choice (1 mark each, Q1–Q10)

1. Which of the following shows the correct order of the life cycle of a flowering plant?
   A. Adult plant → Seed → Young plant
   B. Seed → Young plant → Adult plant
   C. Young plant → Seed → Adult plant
   D. Seed → Adult plant → Young plant
   Answer: ______

2. A butterfly goes through a stage where it is a caterpillar before becoming an adult. This kind of change is called
   A. growth
   B. reproduction
   C. metamorphosis
   D. classification
   Answer: ______

3. Which animal below does NOT go through metamorphosis?
   A. Frog
   B. Butterfly
   C. Chicken
   D. Mosquito
   Answer: ______

4. The life cycle of a frog includes which of the following stages?
   A. Egg → Tadpole → Froglet → Adult frog
   B. Seed → Tadpole → Adult frog
   C. Egg → Caterpillar → Adult frog
   D. Egg → Chick → Adult frog
   Answer: ______

5. A cockroach grows from an egg to a young cockroach that looks like a small adult, then to an adult. This is an example of
   A. incomplete metamorphosis
   B. complete metamorphosis
   C. a plant life cycle
   D. a mammal life cycle
   Answer: ______

6. Which of these animals reproduces by laying eggs?
   A. Cat
   B. Chicken
   C. Dog
   D. Cow
   Answer: ______

7. A student observes a seed planted in soil. After one week, a small green plant appears. This small plant is called a
   A. seed
   B. young plant
   C. adult plant
   D. flower
   Answer: ______

8. Which of the following animals has a life cycle most similar to a grasshopper?
   A. Butterfly
   B. Cockroach
   C. Frog
   D. Mosquito
   Answer: ______

9. Why is a life cycle called a "cycle"?
   A. Because it ends when the animal dies
   B. Because it is a repeated pattern from birth to reproduction
   C. Because it only happens once
   D. Because plants do not have life cycles
   Answer: ______

10. A beetle goes through egg, larva, pupa, and adult stages. How many distinct stages are in its life cycle?
    A. 2
    B. 3
    C. 4
    D. 5
    Answer: ______

Section B: Short Answer (1 mark each, Q11–Q15)

11. Name the stage that comes after "egg" in the life cycle of a butterfly.

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12. Write the missing stage in this plant life cycle:
    Seed → ____________ → Adult plant

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13. A tadpole lives in water and later grows legs to become a frog. What is the stage called after tadpole but before adult frog?

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14. Which animal from this list goes through complete metamorphosis? (Butterfly, Chicken, Grasshopper)

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15. Fill in the blank: The life cycle of a ________ shows the stages of growth and development from a young form to an adult. (plant / rock)

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Section C: Structured Questions (1 mark per subpart, Q16–Q20)

16. Look at the life cycle of a mosquito below.

Generated diagram for Q16.

(a) Write the name of the first stage. ___________  
(b) Write the name of the stage after larva. ___________  
(c) How many stages are shown in the cycle? ___________

17. A flowering plant grows from a seed.
(a) What does the seed grow into first? ___________
(b) What is the last stage before the plant makes new seeds? ___________
(c) Name one thing a plant needs to grow. ___________

18. Study the animal life cycles.
    (a) Which animal changes from tadpole to frog? ___________
    (b) Which animal changes from caterpillar to butterfly? ___________
    (c) Which animal does NOT change shape dramatically (like a chick to chicken)? ___________ (Write "chicken" or "frog")

19. Sort the animals into the correct life cycle type.
    Animals: Butterfly, Grasshopper, Frog, Chicken
    (a) Goes through complete metamorphosis: ___________
    (b) Goes through incomplete metamorphosis: ___________
    (c) Grows from egg without metamorphosis: ___________

20. A student draws the life cycle of a hen.
    (a) What comes out of the egg? ___________
    (b) What is the young hen called? ___________
    (c) What does the adult hen do to continue the life cycle? ___________