Primary 6 PSLE Science Semestral Assessment 2 (End of Year) Paper 5

Primary 6 PSLE Science Quiz - Diversity

TuitionGoWhere Exam Practice (AI)

Field	Details
Subject	Science
Level	Primary 6 PSLE
Paper	SA2 Practice Paper — Topic: Diversity (Version 5 of 5)
Duration	45 minutes
Total Marks	50

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

Instructions to Students

1. This paper has 20 questions in three sections. Answer all questions.
2. Section A: Write the letter (A, B, C or D) of your answer in the space provided.
3. Sections B and C: Write your answers in the spaces provided. Use complete sentences for explanation questions.
4. Marks are shown in brackets ( ) at the end of each question.
5. Check your work in the last 5 minutes.

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

Choose the correct option for each question. Each question carries 2 marks.

Question 1 (2 marks)

Four students made statements about classifying animals. Which statement is correct?

• A. A dolphin is a fish because it lives in water.
• B. A bat is a bird because it can fly.
• C. A penguin is a bird because its body is covered with feathers.
• D. A shark is a mammal because it gives birth to live young.

Answer: ____________

Question 2 (2 marks)

Mei wants to make a foldable poncho. The material must be waterproof and flexible. Which material is most suitable?

• A. Newspaper
• B. Thin plastic sheet
• C. Corrugated cardboard
• D. Cotton towel

Answer: ____________

Question 3 (2 marks)

A scientist placed the mushroom and the bracket fungus in one group, but placed the hibiscus plant in a different group. On what basis were the organisms grouped?

• A. The mushroom and bracket fungus both grow on soil.
• B. The mushroom and bracket fungus both cannot make their own food.
• C. The mushroom and bracket fungus both have green leaves.
• D. The mushroom and bracket fungus both reproduce by seeds.

Answer: ____________

Question 4 (2 marks)

The fern and the pine tree are both classified as plants, although neither produces flowers. Which statement explains why both are classified as plants?

• A. Both grow on land.
• B. Both contain chlorophyll and make their own food.
• C. Both reproduce by spores.
• D. Both bear fruits containing seeds.

Answer: ____________

Question 5 (2 marks)

Which set consists only of things that were once alive?

• A. Paper, leather shoes, cotton scarf
• B. Glass jar, plastic bag, steel fork
• C. Paper, glass jar, woollen sweater
• D. Plastic bottle, rubber ball, steel spoon

Answer: ____________

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Section B: Short-Answer Questions (Questions 6–15) — 20 marks

Each question carries 2 marks.

Question 6 (2 marks)

State two differences between flowering plants and non-flowering plants.

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Question 7 (2 marks)

Animal W has dry skin covered with scales and lays eggs with leathery shells on land. Use the classification key below to identify the group Animal W belongs to. State the group and the feature you matched at the last step of the key.

Image pending generation: diagram for Q7.

Group of Animal W: ____________________

Feature matched at last step: __________________________________________________

Question 8 (2 marks)

Complete the table below by filling in each blank with Yes or No.

Object	Flexible?	Transparent?
Rubber band	Yes	______
Glass spectacle lens	______	Yes
Steel spoon	______	______
Clear plastic sheet	Yes	______

Question 9 (2 marks)

Yeast and bread mould are classified as fungi and not as plants. Give two reasons.

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Question 10 (2 marks)

Animal X was observed to have dry skin covered with scales, breathes with lungs, and lays eggs with leathery shells on land. Name the group Animal X belongs to and give one reason for your answer.

Group: ____________________

Reason: ________________________________________________________________

Question 11 (2 marks)

The table shows information about four organisms, P, Q, R and S.

Organism	Body covering	Breathing organs	Where eggs are laid
P	Feathers	Lungs	On land
Q	Hair	Lungs	Does not lay eggs (young born alive)
R	Moist skin	Lungs and moist skin	In water
S	Dry scales	Lungs	On land

Which organism is the amphibian? Give one reason for your answer.

Organism: ____________________

Reason: ________________________________________________________________

Question 12 (2 marks)

State one similarity and one difference between a spider and an insect.

Similarity: _____________________________________________________________

Difference: _____________________________________________________________

Question 13 (2 marks)

Classify each item below as living, non-living, or was once alive. Write your answers in the table.

Items: iron nail, leather belt, orchid plant, glass marble

Item	Classification
Iron nail	______
Leather belt	______
Orchid plant	______
Glass marble	______

Question 14 (2 marks)

Mei placed two identical slices of moist bread in separate sealed plastic bags. She put one bag in a warm cupboard and the other in a refrigerator. After four days, the bread in the warm cupboard was covered with mould, while the bread in the refrigerator had very little mould.

What conclusion can Mei draw about the condition needed by mould (a fungus) to grow well?

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Question 15 (2 marks)

A key used to classify four animals — guppy, frog, rabbit and snake — is partly completed:

1. Has feathers? Yes → Bird. No → go to 2.
2. Has hair/fur? Yes → Box X. No → go to 3.
3. Has dry scales covering its skin? Yes → Reptile. No → go to 4.
4. Lives in water and has gills and fins → Fish. Otherwise → Box Y.

(a) Name the group written in Box X: ____________________

(b) Which animal from the list will end at Box Y? ____________________

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Section C: Open-Ended Questions (Questions 16–20) — 20 marks

Each question carries 4 marks. Write your answers in full sentences where explanations are required.

Question 16 (4 marks)

The table shows six animals.

Animal	Body covering	Legs
Salmon	Wet scales	Fins
Tree frog	Moist skin	4 legs
Crocodile	Dry scales	4 legs
Sparrow	Feathers	2 legs
Cow	Hair/fur	4 legs
Butterfly	Hard outer covering	6 legs

Group these six animals into two groups based on one characteristic of your choice.

(a) State the characteristic you used: __________________________________________

(b) List the animals in each group.

Group 1: ______________________________________________________________

Group 2: ______________________________________________________________

(c) Explain why every animal fits into exactly one of your two groups.

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Question 17 (4 marks)

Priya tested four materials, A, B, C and D, to choose the best material for a reusable shopping bag. Her results are shown below.

Test	Material A	Material B	Material C	Material D
Flexibility (folds easily without cracking?)	Yes	Yes	Yes	No
Strength (holds 5 kg without tearing?)	Yes	No	Yes	Yes
Waterproof (water does not pass through?)	No	No	Yes	Yes

Using the results, state which material Priya should choose for the shopping bag. Explain your answer using all three tests.

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Question 18 (4 marks)

During a nature walk, Jin found an organism growing on a rotting log. He recorded these observations:

• It has yellow thread-like strands.
• It is not green and cannot make its own food.
• It has no roots, stems or leaves.
• It reproduces by spores.

(a) Name the group the organism belongs to. (1 mark)

(b) Give two reasons, based on Jin's observations, why the organism is not a plant. (2 marks)

(c) State what the organism feeds on. (1 mark)

Question 19 (4 marks)

Scientists studying Animal K recorded the following information:

• Its body is covered with fur.
• It feeds its young with milk.
• It lays eggs with leathery shells.
• It has webbed feet and swims in rivers.

Some students said

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Primary 6 PSLE Science Quiz - Diversity

TuitionGoWhere Exam Practice (AI)

Field	Details
Subject	Science
Level	Primary 6 PSLE
Paper	SA2 Practice Paper — Topic: Diversity (Version 5 of 5)
Duration	45 minutes
Total Marks	50

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

Instructions to Students

1. This paper has 20 questions in three sections. Answer all questions.
2. Section A: Write the letter (A, B, C or D) of your answer in the space provided.
3. Sections B and C: Write your answers in the spaces provided. Use complete sentences for explanation questions.
4. Marks are shown in brackets ( ) at the end of each question.
5. Check your work in the last 5 minutes.

---

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

Choose the correct option for each question. Each question carries 2 marks.

Question 1 (2 marks)

Four students made statements about classifying animals. Which statement is correct?

• A. A dolphin is a fish because it lives in water.
• B. A bat is a bird because it can fly.
• C. A penguin is a bird because its body is covered with feathers.
• D. A shark is a mammal because it gives birth to live young.

Answer: ____________

Question 2 (2 marks)

Mei wants to make a foldable poncho. The material must be waterproof and flexible. Which material is most suitable?

• A. Newspaper
• B. Thin plastic sheet
• C. Corrugated cardboard
• D. Cotton towel

Answer: ____________

Question 3 (2 marks)

A scientist placed the mushroom and the bracket fungus in one group, but placed the hibiscus plant in a different group. On what basis were the organisms grouped?

• A. The mushroom and bracket fungus both grow on soil.
• B. The mushroom and bracket fungus both cannot make their own food.
• C. The mushroom and bracket fungus both have green leaves.
• D. The mushroom and bracket fungus both reproduce by seeds.

Answer: ____________

Question 4 (2 marks)

The fern and the pine tree are both classified as plants, although neither produces flowers. Which statement explains why both are classified as plants?

• A. Both grow on land.
• B. Both contain chlorophyll and make their own food.
• C. Both reproduce by spores.
• D. Both bear fruits containing seeds.

Answer: ____________

Question 5 (2 marks)

Which set consists only of things that were once alive?

• A. Paper, leather shoes, cotton scarf
• B. Glass jar, plastic bag, steel fork
• C. Paper, glass jar, woollen sweater
• D. Plastic bottle, rubber ball, steel spoon

Answer: ____________

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Section B: Short-Answer Questions (Questions 6–15) — 20 marks

Each question carries 2 marks.

Question 6 (2 marks)

State two differences between flowering plants and non-flowering plants.

---

---

Question 7 (2 marks)

Animal W has dry skin covered with scales and lays eggs with leathery shells on land. Use the classification key below to identify the group Animal W belongs to. State the group and the feature you matched at the last step of the key.

Image pending generation: diagram for Q7.

Group of Animal W: ____________________

Feature matched at last step: __________________________________________________

Question 8 (2 marks)

Complete the table below by filling in each blank with Yes or No.

Object	Flexible?	Transparent?
Rubber band	Yes	______
Glass spectacle lens	______	Yes
Steel spoon	______	______
Clear plastic sheet	Yes	______

Question 9 (2 marks)

Yeast and bread mould are classified as fungi and not as plants. Give two reasons.

---

---

Question 10 (2 marks)

Animal X was observed to have dry skin covered with scales, breathes with lungs, and lays eggs with leathery shells on land. Name the group Animal X belongs to and give one reason for your answer.

Group: ____________________

Reason: ________________________________________________________________

Question 11 (2 marks)

The table shows information about four organisms, P, Q, R and S.

Organism	Body covering	Breathing organs	Where eggs are laid
P	Feathers	Lungs	On land
Q	Hair	Lungs	Does not lay eggs (young born alive)
R	Moist skin	Lungs and moist skin	In water
S	Dry scales	Lungs	On land

Which organism is the amphibian? Give one reason for your answer.

Organism: ____________________

Reason: ________________________________________________________________

Question 12 (2 marks)

State one similarity and one difference between a spider and an insect.

Similarity: _____________________________________________________________

Difference: _____________________________________________________________

Question 13 (2 marks)

Classify each item below as living, non-living, or was once alive. Write your answers in the table.

Items: iron nail, leather belt, orchid plant, glass marble

Item	Classification
Iron nail	______
Leather belt	______
Orchid plant	______
Glass marble	______

Question 14 (2 marks)

Mei placed two identical slices of moist bread in separate sealed plastic bags. She put one bag in a warm cupboard and the other in a refrigerator. After four days, the bread in the warm cupboard was covered with mould, while the bread in the refrigerator had very little mould.

What conclusion can Mei draw about the condition needed by mould (a fungus) to grow well?

---

---

Question 15 (2 marks)

A key used to classify four animals — guppy, frog, rabbit and snake — is partly completed:

1. Has feathers? Yes → Bird. No → go to 2.
2. Has hair/fur? Yes → Box X. No → go to 3.
3. Has dry scales covering its skin? Yes → Reptile. No → go to 4.
4. Lives in water and has gills and fins → Fish. Otherwise → Box Y.

(a) Name the group written in Box X: ____________________

(b) Which animal from the list will end at Box Y? ____________________

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Section C: Open-Ended Questions (Questions 16–20) — 20 marks

Each question carries 4 marks. Write your answers in full sentences where explanations are required.

Question 16 (4 marks)

The table shows six animals.

Animal	Body covering	Legs
Salmon	Wet scales	Fins
Tree frog	Moist skin	4 legs
Crocodile	Dry scales	4 legs
Sparrow	Feathers	2 legs
Cow	Hair/fur	4 legs
Butterfly	Hard outer covering	6 legs

Group these six animals into two groups based on one characteristic of your choice.

(a) State the characteristic you used: __________________________________________

(b) List the animals in each group.

Group 1: ______________________________________________________________

Group 2: ______________________________________________________________

(c) Explain why every animal fits into exactly one of your two groups.

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Question 17 (4 marks)

Priya tested four materials, A, B, C and D, to choose the best material for a reusable shopping bag. Her results are shown below.

Test	Material A	Material B	Material C	Material D
Flexibility (folds easily without cracking?)	Yes	Yes	Yes	No
Strength (holds 5 kg without tearing?)	Yes	No	Yes	Yes
Waterproof (water does not pass through?)	No	No	Yes	Yes

Using the results, state which material Priya should choose for the shopping bag. Explain your answer using all three tests.

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---

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Question 18 (4 marks)

During a nature walk, Jin found an organism growing on a rotting log. He recorded these observations:

• It has yellow thread-like strands.
• It is not green and cannot make its own food.
• It has no roots, stems or leaves.
• It reproduces by spores.

(a) Name the group the organism belongs to. (1 mark)

(b) Give two reasons, based on Jin's observations, why the organism is not a plant. (2 marks)

(c) State what the organism feeds on. (1 mark)

Question 19 (4 marks)

Scientists studying Animal K recorded the following information:

• Its body is covered with fur.
• It feeds its young with milk.
• It lays eggs with leathery shells.
• It has webbed feet and swims in rivers.

Some students said Animal K is a bird because it lays eggs. Explain why the students are wrong, and state the group Animal K actually belongs to. Support your answer using the information given.

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Question 20 (4 marks)

Siti found an organism growing in a shady corner of the school garden. She recorded these observations:

• It is green and makes its own food.
• It has roots, stems and leaves.
• It does not produce flowers or fruits.
• It reproduces by spores found on the underside of its leaves.

(a) Name the group the organism belongs to. (1 mark)

(b) Give one reason why the organism is classified as a plant. (1 mark)

(c) Give one reason why the organism is not a flowering plant. (1 mark)

(d) Siti also saw a mushroom nearby. State one difference between this organism and the mushroom. (1 mark)

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END OF PAPER