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Primary 4 Science Practice Paper 4

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Questions

TuitionGoWhere Practice Paper - Science Primary 4

TuitionGoWhere Practice Paper (AI) - Version 4

Subject: Science
Level: Primary 4
Paper: Practice Paper - Diversity
Duration: 45 minutes
Total Marks: 50

Name: ________________________
Class: Primary 4 _______
Date: ________________________

Instructions to Candidates

Do not open this booklet until you are told to do so.
Follow all instructions carefully.
Answer all questions.
For Section A, shade your answers on the Optical Answer Sheet (OAS) provided.
For Section B and C, write your answers in the spaces provided in this booklet.
The number of marks is given in brackets [ ] at the end of each question or part question.
The total marks for this paper is 50.

Section A: Multiple-Choice Questions (20 marks)

For each question from 1 to 10, four options are given. One of them is the correct answer. Make your choice (1, 2, 3 or 4) and shade the correct oval on the OAS. [20 marks]

Question 1 [2 marks]

Which of the following groups contains only living things?

(1) Mushroom, moss, rock
(2) Bacteria, yeast, mould
(3) Cloud, river, soil
(4) Seed, wooden table, plastic bottle

Question 2 [2 marks]

Study the classification chart below.

                    Things
                   /      \
              Living    Non-living
             /    \      /      \
        Plants  Animals  Man-made  Natural

Which of the following is correctly placed under "Natural" non-living things?

(1) Glass bottle
(2) Metal spoon
(3) River water
(4) Paper bag

Question 3 [2 marks]

Four pupils made the following statements about living things:

Ali: All living things can move from place to place.
Bala: All living things need air, food and water.
Cindy: All living things reproduce by laying eggs.
Devi: All living things grow and become bigger.

Which pupil made the correct statement?

(1) Ali
(2) Bala
(3) Cindy
(4) Devi

Question 4 [2 marks]

<image_placeholder> id: Q4-fig1 type: diagram linked_question: Q4 description: A flowchart showing classification of organisms into plants, animals, fungi, and bacteria. Four organisms (A, B, C, D) are placed at the end of branches with their characteristics described in boxes. labels: Organism A: Makes its own food, has green leaves; Organism B: Cannot make its own food, has fur, gives birth to young alive; Organism C: Reproduces by spores, grows on decaying matter; Organism D: Single-celled, reproduces by binary fission values: None must_show: Clear branching flowchart with four end branches labeled A, B, C, D and characteristic boxes for each </image_placeholder>

Based on the flowchart above, which organism is most likely a bacterium?

(1) Organism A
(2) Organism B
(3) Organism C
(4) Organism D

Question 5 [2 marks]

Which of the following is a characteristic of fungi but NOT of plants?

(1) Reproduce by spores
(2) Have cell walls
(3) Cannot make their own food
(4) Are living things

Question 6 [2 marks]

Study the table below.

Organism	Makes own food	Reproduces by spores	Body made of hyphae
Mushroom	No	Yes	Yes
Fern	Yes	Yes	No
Bacteria	No	No	No
Moss	Yes	Yes	No

Which organism is correctly matched to its group?

(1) Mushroom - Plant
(2) Fern - Fungi
(3) Bacteria - Fungi
(4) Moss - Plant

Question 7 [2 marks]

<image_placeholder> id: Q7-fig1 type: diagram linked_question: Q7 description: A dichotomous key for classifying five animals (W, X, Y, Z, P) based on observable features. labels: Question 1: Has wings? Yes -> Question 2; No -> Question 3. Question 2: Has feathers? Yes -> W; No -> X. Question 3: Lives in water? Yes -> Y; No -> Question 4. Question 4: Has scales? Yes -> Z; No -> P. values: None must_show: Clear dichotomous key with yes/no branches leading to five animals W, X, Y, Z, P </image_placeholder>

Using the dichotomous key above, which animal is most likely a snake?

(1) W
(2) X
(3) Y
(4) Z

Question 8 [2 marks]

Which of the following statements about bacteria is correct?

(1) All bacteria are harmful to humans.
(2) Bacteria can only be seen with a microscope.
(3) Bacteria reproduce by spores.
(4) Bacteria make their own food using sunlight.

Question 9 [2 marks]

A pupil observed an organism with the following characteristics:

It is green in colour.
It grows in damp, shady places.
It reproduces by spores.
It does not have true roots, stems or leaves.

Which group does this organism most likely belong to?

(1) Fungi
(2) Bacteria
(3) Mosses
(4) Flowering plants

Question 10 [2 marks]

Study the classification table below.

Group	Examples
A	Yeast, mould, mushroom
B	Moss, fern, hibiscus
C	Bacteria, blue-green algae
D	Lion, eagle, frog

Which group represents fungi?

(1) A
(2) B
(3) C
(4) D

Section B: Structured Questions (20 marks)

Write your answers in the spaces provided. [20 marks]

Question 11 [4 marks]

The diagram below shows four organisms.

<image_placeholder> id: Q11-fig1 type: diagram linked_question: Q11 description: Four separate diagrams showing: (a) A mushroom with visible cap, gills, and stem growing on a log; (b) A fern plant with fronds and roots; (c) A rod-shaped bacterium drawn to scale with cell wall and flagella labeled; (d) A yeast cell budding, showing parent cell and smaller bud labels: Mushroom: cap, gills, stem; Fern: frond, root, stem; Bacterium: cell wall, flagella, cytoplasm; Yeast: parent cell, bud, nucleus values: Scale bar for bacterium: 1 µm must_show: Four clear, labeled diagrams side by side or in a 2x2 grid with distinguishing features visible </image_placeholder>

(a) State the group that each organism belongs to.

Organism (a): ________________________________________ [1]

Organism (b): ________________________________________ [1]

Organism (c): ________________________________________ [1]

Organism (d): ________________________________________ [1]

(b) Choose one organism from (a) that reproduces by spores. State the organism and explain how spores help it reproduce.

Organism: ________________________________________ [1]

Explanation: ________________________________________________________________________________ [1]

Question 12 [4 marks]

The table below shows some characteristics of four organisms P, Q, R and S. A tick (✓) means the organism has the characteristic.

Characteristic	P	Q	R	S
Makes its own food	✓		✓
Reproduces by seeds	✓
Reproduces by spores		✓	✓
Body made of hyphae		✓
Single-celled				✓
Reproduces by binary fission				✓

(a) Which organism(s) is/are plant(s)? ________________________________________ [1]

(b) Which organism is a fungus? ________________________________________ [1]

(d) State one difference between organism P and organism R in terms of how they reproduce.

______________________________________________________________________________________________ [1]

Question 13 [4 marks]

A group of pupils went on a nature walk and observed the following organisms:

Organism X: Green, growing on tree bark, reproduces by spores, no flowers
Organism Y: Microscopic, found in pond water, single-celled, reproduces by binary fission
Organism Z: White, powdery growth on bread, reproduces by spores, body made of thread-like structures

(a) Classify each organism into the correct group: Plant, Fungi, or Bacteria.

Organism X: ________________________________________ [1]

Organism Y: ________________________________________ [1]

Organism Z: ________________________________________ [1]

(b) Organism Z is harmful when it grows on food. Explain why it grows on bread.

______________________________________________________________________________________________ [1]

Question 14 [4 marks]

<image_placeholder> id: Q14-fig1 type: diagram linked_question: Q14 description: A classification chart with missing labels. Main branches: Living Things and Non-living Things. Living Things branches to Plants, Animals, Fungi, Bacteria. Each group has 2-3 empty boxes for characteristics. Non-living Things branches to Natural and Man-made with empty boxes for examples. labels: Living Things, Non-living Things, Plants, Animals, Fungi, Bacteria, Natural, Man-made values: None must_show: Clear hierarchical classification chart with blank boxes for students to fill in characteristics and examples </image_placeholder>

Complete the classification chart above by filling in the blanks.

(a) Write two characteristics of plants in the boxes under "Plants". [2]

Characteristic 1: ________________________________________

Characteristic 2: ________________________________________

(b) Write one example each of a natural non-living thing and a man-made non-living thing. [2]

Natural: ________________________________________

Man-made: ________________________________________

Question 15 [4 marks]

The diagram below shows a dichotomous key used to classify five plants.

<image_placeholder> id: Q15-fig1 type: diagram linked_question: Q15 description: A dichotomous key for plants with questions and branches. Start: Does it bear flowers? Yes -> Does it have woody stem? Yes -> Plant A; No -> Plant B. No -> Does it reproduce by spores? Yes -> Does it have true roots, stems, leaves? Yes -> Plant C; No -> Plant D. No -> Plant E. labels: Plant A, Plant B, Plant C, Plant D, Plant E values: None must_show: Complete dichotomous key with all questions and five plant outcomes clearly labeled </image_placeholder>

(a) Based on the key, which plant(s) is/are flowering plant(s)? ________________________________________ [1]

(b) Which plant is most likely a moss? ________________________________________ [1]

______________________________________________________________________________________________ [1]

(d) Plant E does not bear flowers and does not reproduce by spores. What group of plants does Plant E most likely belong to?

______________________________________________________________________________________________ [1]

Section C: Open-Ended Questions (10 marks)

Write your answers in the spaces provided. [10 marks]

Question 16 [5 marks]

Scientists discovered a new organism in a deep-sea vent. It has the following characteristics:

It is single-celled.
It does not have a nucleus.
It obtains energy from chemicals in the vent (chemosynthesis).
It reproduces by binary fission.
It lives in extremely hot water (above 80°C).

(a) Which group of living things does this organism most likely belong to? ________________________________________ [1]

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

Reason 1: ________________________________________________________________________________ [1]

Reason 2: ________________________________________________________________________________ [1]

______________________________________________________________________________________________ [1]

(d) Explain why this organism is considered a living thing even though it lives in extreme conditions.

______________________________________________________________________________________________ [1]

Question 17 [5 marks]

A pupil wants to classify the following items into living and non-living things:

Mushroom, river water, metal key, moss, plastic ruler, yeast, cloud, fern, wooden chopstick, bacterium

<image_placeholder> id: Q17-fig1 type: table linked_question: Q17 description: A two-column table with headers "Living Things" and "Non-living Things". Ten empty rows for students to fill in the items. labels: Living Things, Non-living Things values: 10 items to classify: Mushroom, river water, metal key, moss, plastic ruler, yeast, cloud, fern, wooden chopstick, bacterium must_show: Clear two-column table with 10 empty rows for classification </image_placeholder>

(a) Complete the table above by classifying all 10 items. [5]

(b) The pupil classified "wooden chopstick" as a living thing because it came from a tree. Explain why this classification is incorrect.

______________________________________________________________________________________________ [1]

End of Paper

Answers

TuitionGoWhere Practice Paper - Science Primary 4 (Answer Key)

TuitionGoWhere Practice Paper (AI) - Version 4

Subject: Science
Level: Primary 4
Paper: Practice Paper - Diversity
Total Marks: 50

Section A: Multiple-Choice Questions (20 marks)