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Primary 6 PSLE Science Diversity Quiz

Free P6 PSLE Science Diversity quiz, HY3 AI version, with questions, answers, and PSLE-focused practice for Singapore students.

These static practice materials are generated from the site's syllabus and paper-generation workflow, with source and model context shown so students and parents can evaluate the material before use.

Primary 6 PSLE Science AI Generated Generated by Tencent HY3 Free Updated 2026-08-17

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Questions

Primary 6 PSLE Science Quiz - Diversity

Name: ___________________________
Class: ___________________________
Date: ___________________________
Score: ___________ / 40

Duration: 50 minutes
Total Marks: 40

Instructions:

This quiz has 20 questions on the topic of Diversity.
Section A: 10 multiple-choice questions (1 mark each).
Section B: 6 short-answer questions (2 marks each).
Section C: 4 structured questions with subparts (total 8 marks).
Write your answers clearly in the spaces provided.
This is syllabus-first practice content generated from LLM-inferred templates. It is NOT derived from past-year PSLE papers.

Section A (Questions 1–10, 1 mark each)

Which of the following best describes "diversity" of living things?
A. The number of animals in a zoo
B. The variety of different living things in an area
C. The size of the largest tree
D. The amount of rainfall in a forest

Answer: ______
Which group of organisms can make their own food using sunlight?
A. Consumers
B. Decomposers
C. Producers
D. Predators

Answer: ______
A community is made up of:
A. One type of plant
B. Many populations living together
C. Only animals
D. A single organism

Answer: ______
Which of these is an example of a habitat?
A. A textbook
B. A pond
C. A school bag
D. A pencil

Answer: ______
A population is:
A. All the ants in a garden
B. A single grasshopper
C. The soil and rocks
D. The Sun

Answer: ______
Which of the following is a decomposer?
A. Grass
B. Frog
C. Fungus
D. Eagle

Answer: ______
Mangrove swamps are habitats that support:
A. Only birds
B. A variety of plants and animals adapted to muddy, salty water
C. Desert animals
D. Snow animals

Answer: ______
Which physical factor can affect the survival of organisms?
A. Colour of the Moon
B. Temperature
C. Type of shoe
D. Number of books

Answer: ______
Which of these shows the correct energy flow?
A. Sun → Consumer → Producer
B. Sun → Producer → Consumer
C. Consumer → Sun → Producer
D. Producer → Sun → Consumer

Answer: ______
Diversity is important because:
A. It makes the environment colourful only
B. Different organisms depend on one another to survive
C. It removes all decomposers
D. It stops plants from growing

Answer: ______

Section B (Questions 11–16, 2 marks each)

State one way in which a pond habitat is different from a garden habitat.
Explain what a food chain shows. Use an example with three organisms.
Give one structural adaptation and one behavioural adaptation of an animal living in a mangrove swamp.
Why are decomposers important in a community?
List two negative impacts of man on the environment and one positive impact.
A student says, "A population is the same as a community." Explain why this is not correct.

Section C (Questions 17–20, subparts total 8 marks)

(a) What is a producer? [1 mark]

(b) Name one producer found in a garden habitat. [1 mark]
(a) What is the role of a predator? [1 mark]

(b) Give one example of a predator and its prey. [1 mark]
The diagram below shows a simple food chain.

Diagram for Q19 (P6 Science)

Generated diagram for Q19.

(a) Which organism is the producer? [1 mark]  
________________________________________________________________  
(b) Which organism is the consumer that eats the producer? [1 mark]  
________________________________________________________________

20. (a) Name one physical factor (other than temperature) that affects where organisms live. [1 mark]
________________________________________________________________
(b) Explain how a change in that factor can cause organisms to move to another place. [2 marks]
________________________________________________________________
________________________________________________________________

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Answers

Primary 6 PSLE Science Quiz - Diversity (Answer Key)

Total Marks: 40
Topic: Diversity (syllabus-first, LLM-inferred; not past-year derived)

Section A Answers (1 mark each)

B – Diversity means the variety of different living things in an area.
Teaching note: "Variety" is the key word; not just count but different types.
C – Producers (e.g., plants) make their own food using sunlight (photosynthesis).
Common mistake: Confusing producers with consumers.
B – A community is many populations living together in a place.
Teaching note: Population = one species; community = many species.
B – A pond is a natural habitat supporting living things.
Teaching note: Habitat is where organisms live.
A – A population is a group of the same organisms (e.g., all ants in a garden).
Marking: 1 mark for correct example of same-species group.
C – Fungus is a decomposer that breaks down dead matter.
Teaching note: Decomposers recycle nutrients.
B – Mangrove swamps support diverse plants/animals adapted to muddy salty water.
Marking: 1 mark for mentioning variety and adaptation.
B – Temperature is a physical factor affecting survival.
Other acceptables: light, water (not asked but valid).
B – Sun → Producer → Consumer is correct energy flow.
Teaching note: Energy starts from Sun, taken by producers, then consumers.
B – Different organisms depend on one another (food webs, survival).
Marking: 1 mark for interdependence idea.

Section B Answers (2 marks each)

Sample answer: A pond has water and aquatic plants/animals, while a garden has soil and land plants/animals. [2 marks]
Marking: 1 mark for each correct contrasting feature (water vs land; different organisms).
Sample answer: A food chain shows how energy flows from one organism to another. Example: Sun → grass → grasshopper → frog. [2 marks]
Marking: 1 mark for definition of energy flow; 1 mark for three-organism example.
Sample answer: Structural: roots that breathe air above mud (e.g., mangrove tree roots). Behavioural: crab hiding in mud during low tide. [2 marks]
Marking: 1 mark each for correct type and example.
Sample answer: Decomposers break down dead organisms and return nutrients to soil/water for producers to use. [2 marks]
Marking: 1 mark for breaking down dead matter; 1 mark for nutrient recycling.
Sample answer: Negative: deforestation, pollution. Positive: reforestation. [2 marks]
Marking: 1 mark for two negatives; 1 mark for one positive.
Sample answer: A population is one species in an area; a community has many populations of different species. They are not the same. [2 marks]
Marking: 1 mark for population definition; 1 mark for community definition.

Section C Answers

[Total 2 marks]
(a) A producer is an organism that makes its own food (e.g., by photosynthesis). [1 mark]
(b) Any garden producer: hibiscus, grass, rose plant. [1 mark]
[Total 2 marks]
(a) A predator hunts and eats other animals (prey). [1 mark]
(b) Example: frog (predator) eats grasshopper (prey). [1 mark]
[Total 2 marks]
Image note: Diagram must show Grass → Grasshopper → Frog with right arrows.
(a) Grass (producer). [1 mark]
(b) Grasshopper (consumer eating producer). [1 mark]
[Total 3 marks]
(a) Water availability / light / food supply. [1 mark]
(b) If water decreases, pond organisms may move to another pond or die because they need water to survive. [2 marks: 1 for link to survival, 1 for movement response]
Marking descriptor: Must state factor change + organism response with reason.