SPM Biology

01 Introduction to Biology and Rules in Laboratory

1.1 Fields and Careers in Biology

1 Exercise

1.1 Field of Biology and Career

1.2 Safety and Rules in Biology Laboratory

1 Exercise

1.2 Safety and Regulations in Biology Laboratories

1.3 Communicating in Biology

1 Exercise

1.3 Communicating in Biology

1.4 Scientific Investigation in Biology

1 Exercise

1.4 Scientific Investigations in Biology

02 Cell Biology and Cell Organisation

2.1 Cell Structure and Function

3 Exercises

2.1 Cell Structure and Function I

2.1 Structure and Cell Function II

2.1 Cell Structure and Function III

2.2 Living Processes in Unicellular Organisms

1 Exercise

2.2 Life Processes of Unicellular Organisms

2.3 Living Processes in Multicellular Organisms

1 Exercise

2.3 Life Processes of Multicellular Organisms

2.4 Levels of Organisation in Multicellular Organisms

2 Exercises

2.4 Organization Level I

2.4 Level of Organization II

03 Movement Across Plasma Membrane

3.1 Structure of Plasma Membrane

1 Exercise

3.1 Plasma Membrane Structure

3.2 Concept of Movement of Substances Across a Plasma Membrane

1 Exercise

3.2 Concept of Material Movement Across Membranes Plasma

3.3 Movement of Substances Across a Plasma Membrane in Living Organisms

1 Exercise

3.3 Movement of Substances Across the Plasma Membrane in Living Organisms

3.4 Movement of Substances Across a Plasma Membrane and its Application in Daily Life

1 Exercise

3.4 Movement of Substances Across the Plasma Membrane in Daily Life

04 Chemical Compositions in Cell

1 Exercise

4.2 Carbohydrates

1 Exercise

4.2 Carbohydrates

1 Exercise

1 Exercise

4.5 Nucleic Acids

1 Exercise

4.5 Acids Nucleic

05 Metabolism and Enzyme

1 Exercise

3 Exercises

5.2 Enzymes III

5.3 Applications of Enzymes in Daily Life

1 Exercise

5.3 Enzyme Applications in Daily Life

1 of 7

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2.2 Life Processes of Unicellular Organisms

SPM Biology 2.2 Living Processes in Unicellular Organisms 2.2 Life Processes of Unicellular Organisms

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Question 1 of 10

1. Question
1 point(s)
Which of the following is the main characteristic of a unicellular organism?
- Has a complex organ system for movement.
- Can only carry out asexual reproduction.
- Can carry out all life processes in a single cell.
- Consists of various cells that have specialized functions.
Correct

Incorrect
Question 2 of 10

2. Question
1 point(s)
How does Amoeba sp. produce pseudopodium to move?
- Through the flow of cytoplasm towards the cell projection.
- By suddenly shrinking the food vacuole.
- Through fine hair strokes called cilium.
- By using the pellicle to change the internal pressure of the cell.
Correct

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Question 3 of 10

3. Question
1 point(s)
What is the role of the enzyme lysozyme in the feeding process of Amoeba sp.?
- Removes undigested food waste out of the cell.
- Helps Amoeba sp. detect the presence of bacteria around it.
- Transports food particles into the plasma membrane.
- Hydrolyze or digest food particles in the food vacuole.
Correct

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Question 4 of 10

4. Question
1 point(s)
Why Amoeba sp. and Paramecium sp. need a shrinking vacuole?
- To regulate water content to prevent cells from bursting.
- As the main site for cellular respiration.
- To protect cells from pathogenic bacterial attack.
- To store nutrients that have been absorbed from the cytoplasm.
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Question 5 of 10

5. Question
1 point(s)
How does respiratory gas exchange occur in unicellular organisms?
- Using food vacuoles to trap oxygen gas.
- Through fine pores found in the pellicle.
- Through the contraction of the vacuole which pushes the gas out.
- Through simple diffusion across the surface of the plasma membrane.
Correct

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Question 6 of 10

6. Question
1 point(s)
What is the functional difference between macronucleus and micronucleus in Paramecium sp.?
- The micronucleus controls osmoregulation, while the macronucleus controls respiration.
- Both nuclei have the same function and are interchangeable.
- The macronucleus controls metabolic activity, while the micronucleus controls reproduction.
- The macronucleus controls the movement of the cilium, while the micronucleus controls digestion.
Correct

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Question 7 of 10

7. Question
1 point(s)
How does Paramecium sp. obtain food from its environment?
- Through the diffusion of organic nutrients directly through the pellicle.
- By trapping food using contractile vacuoles.
- By surrounding the prey using pseudopodium.
- Uses cilium beating to move food into the mouth groove.
Correct

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Question 8 of 10

8. Question
1 point(s)
What is the common method of asexual reproduction for Amoeba sp. when food is abundant?
- Spore formation
- Germination
- Conjugation
- Binal fission
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Question 9 of 10

9. Question
1 point(s)
Which of the following describes the response of Amoeba sp. to bright light?
- It will move towards the light to carry out photosynthesis.
- It will form spores immediately when exposed to light.
- It will avoid the bright light stimulus.
- Bright light will stimulate the cells to divide rapidly.
Correct

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Question 10 of 10

10. Question
1 point(s)
What allows Paramecium sp. to maintain its fixed cell shape like a slipper?
- The outer layer called the pellicle.
- Pressure from two shrinking vacuoles.
- Arrangement of micronuclei in the center of the cell.
- Presence of cellulose cell wall.
Correct

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