Primary 5 Science Life Cycles Quiz

Primary 5 Science Quiz - Life Cycles

Name: ______________________ Class: ____________ Date: ______________ Score: ________ / 70

Paper: Life Cycles Practice Quiz — Version 1 of 5 Subject: Science | Level: Primary 5 Topic: Life Cycles (Reproduction in Plants and Animals) Duration: 75 minutes Total Marks: 70

Note: This quiz is syllabus-aligned practice content built from LLM-inferred templates. It is not extracted from any specific past-year examination paper.

Instructions:

• Answer all questions in the spaces provided.
• Section A: Questions 1–5 (Multiple Choice) — 10 marks
• Section B: Questions 6–10 (Short Answer) — 15 marks
• Section C: Questions 11–15 (Structured Questions) — 20 marks
• Section D: Questions 16–20 (Application and Data) — 25 marks
• Write clearly. Check your work before handing in.

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Section A: Multiple Choice (Questions 1–5, 2 marks each)

Circle the correct option.

Question 1.

Which shows the correct order of stages in the life cycle of a butterfly?

A. egg → pupa → caterpillar → adult butterfly B. egg → caterpillar → pupa → adult butterfly C. caterpillar → egg → pupa → adult butterfly D. pupa → caterpillar → egg → adult butterfly

Answer: ________

Question 2.

Which animal's life cycle does NOT include a pupa stage?

A. butterfly B. mosquito C. housefly D. grasshopper

Answer: ________

Question 3.

Four identical jars each hold one bean seed under the conditions shown.

Set-up	Cotton wool	Place
P	dry	warm cupboard
Q	moist	warm cupboard
R	moist	refrigerator
S	moist	warm cupboard, thin layer of oil poured over the seed

In which set-up will the seed germinate?

A. P only B. Q only C. P and Q D. Q and S

Answer: ________

Question 4.

After fertilisation in a flowering plant, which part develops into the fruit?

A. ovule B. stigma C. ovary D. anther

Answer: ________

Question 5.

How is fertilisation in humans similar to fertilisation in flowering plants?

A. It takes place inside a flower. B. A male reproductive cell fuses with a female reproductive cell. C. The fertilised egg becomes a seed. D. It happens only after pollination.

Answer: ________

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Section B: Short Answer (Questions 6–10, 3 marks each)

Question 6.

Study the diagram of a flower cut open to show its reproductive parts.

Image pending generation: diagram for Q6.

(a) Name parts A, B, C and D. (2 marks)

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(b) State the function of part B. (1 mark)

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Question 7.

The stages in the life cycle of a mosquito are jumbled below.

• adult mosquito
• pupa (tumbler)
• eggs laid on the water surface
• larva (wriggler)

(a) Arrange the stages in the correct order, starting from the egg. (2 marks)

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(b) Name the two stages that live in water. (1 mark)

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Question 8.

Mei Ling compared the life cycles of a chicken and a butterfly.

(a) Does the life cycle of a chicken have a pupa stage? Write yes or no. (1 mark)

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(b) Give two differences between the life cycles of a chicken and a butterfly. (2 marks)

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Question 9.

Plants scatter their seeds away from the parent plant.

(a) State one reason why seeds should NOT grow close to the parent plant. (1 mark)

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(b) Name two methods of seed dispersal and give one example of a fruit or seed for each. (2 marks)

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Question 10.

Human reproduction was discussed in class.

(a) In which part of the human body does fertilisation take place? (1 mark)

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(b) State what happens to the fertilised egg soon after fertilisation. (1 mark)

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(c) Give one way the unborn baby receives food and oxygen from its mother. (1 mark)

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Section C: Structured Questions (Questions 11–15, 4 marks each)

Question 11.

Ahmad soaked a bean seed and measured its root each day.

Day	0	2	4	6	8
Root length (cm)	0	1	3	6	9

(a) What can you conclude about the root's growth over the eight days? (1 mark)

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(b) Explain why the root length was 0 cm on Day 0. (1 mark)

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(c) If the pattern continues, predict the root length on Day 10. (1 mark)

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(d) Using Set-up R in Question 3, name one condition needed for germination. (1 mark)

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Question 12.

The events after pollination are jumbled below.

• The male cell fuses with the egg cell in the ovule.
• A pollen grain lands on the stigma.
• A pollen tube grows down the style.
• The pollen grain germinates.

(a) Arrange the events in the correct order, starting with the pollen landing. (2 marks)

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(b) Name the process shown when the male cell fuses with the egg cell. (1 mark)

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(c) State what the ovule becomes after fertilisation. (1 mark)

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Question 13.

Study the information about the grasshopper.

• A young grasshopper hatches from an egg.
• It looks like a small adult but has no wings.
• It moults several times before becoming a winged adult.

(a) Name the young stage of the grasshopper. (1 mark)

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(b) State one way the young grasshopper is similar to the adult. (1 mark)

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(c) State one way the young grasshopper is different from the adult. (1 mark)

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(d) How many stages are there in the grasshopper's life cycle? (1 mark)

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Question 14.

Two flowers were compared.

Feature	Flower X	Flower Y
Petals	small, dull	large, brightly coloured
Pollen produced	large amounts	smaller amounts
Stigma	feathery	sticky

(a) Which flower is most likely pollinated by wind? (1 mark)

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(b) Give two reasons for your answer in (a). (2 marks)

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(c) State one feature of Flower Y that attracts insects. (1 mark)

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Question 15.

The life cycle of a frog includes these stages: adult frog, tadpole, froglet, eggs in jelly in pond water.

(a) Arrange the stages in order, starting from the eggs. (2 marks)

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(b) State where frogs lay their eggs. (1 mark)

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(c) Give one difference between how a tadpole and an adult frog breathe. (1 mark)

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Section D: Application and Data Questions (Questions 16–20, 5 marks each)

Question 16.

The table shows information about four animals.

Animal	Number of eggs/offspring	Parental care given
Frog	about 2000	none
Butterfly	about 300	none
Chicken	about 12	sits on eggs, feeds chicks
Cow	1	feeds and protects calf for months

(a) Which animal produces the greatest number of offspring? (1 mark)

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(b) Suggest why animals that produce many eggs give little or no parental care. (2 marks)

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(c) Which animal's young needs the longest period of care? Give a reason. (1 mark)

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(d) Explain how producing many eggs helps a species survive. (1 mark)

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Question 17.

An apple orchard had very few apples this year. A farmer noticed that there were almost no bees visiting the flowers.

(a) Name the agent of pollination normally involved in the orchard. (1 mark)

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(b) Explain how the absence of bees led to fewer apples. (2 marks)

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(c) Suggest one thing the farmer could do to increase the number of apples next year. (1 mark)

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(d) Name the part of the flower that must receive pollen for fruits to form. (1 mark)

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Question 18.

Three fruits were collected and studied.

• Fruit X: light, with wing-like structures
• Fruit Y: fleshy, sweet and colourful
• Fruit Z: light, with fine hairs like a parachute

(a) State the likely method of dispersal for Fruit X, Fruit Y and Fruit Z. (3 marks)

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(b) State one characteristic shared by wind-dispersed fruits. (1 mark)

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(c) A coconut has a fibrous husk that traps air. Explain how this helps its dispersal. (1 mark)

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Question 19.

The life cycles of a mosquito and a grasshopper were compared.

(a) State the number of stages in the life cycle of the mosquito and of the grasshopper. (2 marks)

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(b) Name the stage found in the mosquito's life cycle but not in the grasshopper's. (1 mark)

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(c) State one similarity between the two life cycles. (1 mark)

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(d) Both insects lay many eggs at one time. State one advantage of this. (1 mark)

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Question 20.

Ali found tiny green seedlings growing in a crack in a wall, far away from any tree.

(a) Suggest one way the seeds could have reached the wall. (1 mark)

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(b) State three conditions the seedlings need to continue growing well. (3 marks)

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(c) Name the process by which a seed develops into a seedling. (1 mark)

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— End of Quiz —