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Form 5 Science

13 Microorganism

13.1 World of Microorganisms Sample Lesson

13.1.1 World of Microorganisms (Q&A)

13.1.2 World of Microorganisms (T/F)

13.1.3a The World of Microorganisms (MCQ)

13.1.3b The World of Microorganisms (MCQ-Hard)

13.2 Useful Microorganisms Sample Lesson

13.2.1 Useful Microorganisms (Q&A)

13.2.2 Useful Microorganisms (T/F)

13.2.3a Applications in Medicine, Agriculture, and Industry (MCQ)

13.2.3b Applications in Medicine, Agriculture, and Industry (MCQ-Hard)

13.3 Prevention and Treatment of Diseases Caused by Harmful Microorganisms Sample Lesson

13.3.1 Prevention and Treatment of Diseases Caused by Harmful Microorganisms (Q&A)

13.3.2 Prevention and Treatment of Diseases Caused by Harmful Microorganims (T/F)

13.3.3a Microorganism Disease Prevention and Treatment (MCQ)

13.3.3b Microorganism Disease Prevention and Treatment (MCQ-Hard)

14 Nutrition and Food Technology

14.1 Balanced Diet and Calorific Value Sample Lesson

14.1.1 Balanced Diet and Calorific Value (Q&A)

14.1.2 Balanced Diet and Calorific Value (T/F)

14.1.3a Balanced Diet and Calorific Value (MCQ)

14.1.3b Balanced Diet and Calorific Value (MCQ-Hard)

14.2 Nutrient Requirements in Plants

14.2.1 Nutrient Requirements in Plants (Q&A)

14.2.2 Nutrient Requirements in Plants (T/F)

14.2.3a Plant Nutrient Requirements (MCQ)

14.2.3b Plant Nutrient Requirements (MCQ-Hard)

14.3 Nitrogen Cycle

14.3.1 Nitrogen Cycle (Q&A)

14.3.2 Nitrogen Cycle (T/F)

14.3.3a Processes and Importance (MCQ)

14.3.3b Processes and Importance (MCQ-Hard)

14.4 Food Production Technology

14.4.1 Food Production Technology (Q&A)

14.4.2 Food Production Technology (T/F)

14.4.3a Improvement, Techniques, and Management (MCQ)

14.4.3b Improvement, Techniques, and Management (MCQ-Hard)

14.5 Food Processing Technology

14.5.1 Food Processing Technology (Q&A)

14.5.2 Food Processing Technology (T/F)

14.5.3a Methods, Additives, and Health Impacts (MCQ)

14.5.3b Methods, Additives, and Health Impacts (MCQ-Hard)

14.6 Health Foods and Health Supplements

14.6.1 Health Foods and Health Supplements (Q&A)

!14.6.2 Health Foods and Health Supplements (T/F)

14.6.3a Benefits, Considerations, and Halal Status (MCQ)

14.6.3b Benefits, Considerations, and Halal Status (MCQ-Hard)

15 Preservation of the Nature

15.1 Product Life Cycle

15.1.1 Product Life Cycle (Q&A)

15.1.2 Product Life Cycle (T/F)

15.1.3a Product Life Cycle and Environmental Impact (MCQ)

15.1.3b Product Life Cycle and Environmental Impact (MCQ-Hard)

15.2 Environmental Pollution

15.2.1 Environmental Pollution (Q&A)

15.2.2 Environmental Pollution (T/F)

15.2.3a Types, Sources, and Effects (MCQ)

15.2.3b Types, Sources, and Effects (MCQ-Hard)

15.3 Preservation and Conservation of the Environment

15.3.1 Preservation and Conservation of the Environment (Q&A)

15.3.2 Preservation and Conservation of the Environment (T/F)

15.3.3a Environmental Preservation, Green Tech, and the UN’s Role (MCQ)

15.3.3b Environmental Preservation, Green Tech, and the UN’s Role (MCQ-Hard)

16 Rate of Reaction

16.1 Introduction to Rate of Reaction

16.1.1 Introduction to Rate of Reaction (Q&A)

16.1.2 Introduction to Rate of Reaction (T/F)

16.1.3a Introduction to Rate of Reaction (MCQ)

16.1.3b Introduction to Rate of Reaction (MCQ-Hard)

16.2 Factors Affecting Rate of Reaction

16.2.1 Factors Affecting Rate of Reaction (Q&A)

16.2.2 Factors Affecting Rate of Reaction (T/F)

16.2.3a Factors and Influences (MCQ)

16.2.3b Factors and Influences (MCQ-Hard)

16.3 Applications of the Concept of Rate of Reaction

16.3.1 Applications of the Concept of Rate of Reaction (Q&A)

16.3.2 Applications of the Concept of Rate of Reaction (T/F)

16.3.3a Applications in Life and Industry (MCQ)

16.3.3b Applications in Life and Industry (MCQ-Hard)

17 Carbon Compounds

17.1 Introduction to Carbon Compounds

17.1.1 Introduction to Carbon Compounds (Q&A)

17.1.2 Introduction to Carbon Compounds (T/F)

17.1.3a Carbon Compounds and the Carbon Cycle (MCQ)

17.1.3b Carbon Compounds and the Carbon Cycle (MCQ-Hard)

17.2 Hydrocarbons

17.2.1 Hydrocarbons (Q&A)

17.2.2 Hydrocarbons (T/F)

17.2.3a Hydrocarbons, Petroleum, and Alternative Energy Sources (MCQ)

17.2.3b Hydrocarbons, Petroleum, and Alternative Energy Sources (MCQ-Hard)

17.3.1 Alcohol (Q&A)

17.3.2 Alcohol (T/F)

17.3.3a Ethanol: Properties, Reactions, Uses, and Health Effects (MCQ)

17.3.3b Ethanol: Properties, Reactions, Uses, and Health Effects (MCQ-Hard)

17.4.1 Fats (Q&A)

17.4.2 Fats (T/F)

17.4.3a Composition, Types, Health Implications, and Saponification (MCQ)

17.4.3b Composition, Types, Health Implications, and Saponification (MCQ-Hard)

17.5.1 Palm Oil (Q&A)

17.5.2 Palm Oil (T/F)

17.5.3a Extraction, Properties, Uses, and Sustainability (MCQ)

17.5.3b Extraction, Properties, Uses, and Sustainability (MCQ-Hard)

18 Electrochemistry

18.1 Electrolytic Cell

18.1.1 Electrolytic Cell (Q&A)

18.1.2 Electrolytic Cell (T/F)

18.1.3a Electrolytic Cell Fundamentals and Applications (MCQ)

18.1.3b Electrolytic Cell Fundamentals and Applications (MCQ-Hard)

18.2 Chemical Cell

18.2.1 Chemical Cell (Q&A)

18.2.2 Chemical Cell (T/F)

18.2.3a Principles, Types, and Applications (MCQ)

18.2.3b Principles, Types, and Applications (MCQ-Hard)

19 Light and Optics

19.1 Formation of Images by Lenses

19.1.1 Formation of Images by Lenses (Q&A)

19.1.2 Formation of Images by Lenses (T/F)

19.1.3a Image Formation by Lenses (MCQ)

19.1.3b Image Formation by Lenses (MCQ-Hard)

19.2 Optical Instruments

19.2.1 Optical Instruments (Q&A)

19.2.2 Optical Instruments (T/F)

19.2.3a Image Formation by Lenses (MCQ)

19.2.3b Image Formation by Lenses (MCQ-Hard)

20 Force and Pressure

20.1 Pressure in Fluids

20.1.1 Pressure in Fluids (Q&A)

20.1.2 Pascal’s Principle (T/F)

20.1.3a Pascal’s Principle: Hydraulics, Applications, and Fluid Mechanics (MCQ)

20.1.3b Pascal’s Principle: Hydraulics, Applications, and Fluid Mechanics (MCQ-Hard)

20.2 Bernoulli’s Principle

20.2.1 Bernoulli’s Principle (Q&A)

20.2.2 Bernoulli’s Principle (T/F)

20.2.3a Fluid Dynamics and Applications (MCQ)

20.2.3b Fluid Dynamics and Applications (MCQ-Hard)

20.3 Relationship between fluid velocity and pressure

20.3.1 Relationship between fluid velocity and pressure (Q&A)

20.3.2 Relationship between fluid velocity and pressure (T/F)

20.3.3a Fluid Velocity and Pressure: Principles and Applications (MCQ)

20.3.3b Fluid Velocity and Pressure: Principles and Applications (MCQ-Hard)

21 Outer Space Technology

21.1.1 Satellite (Q&A)

21.1.2 Satellite (T/F)

21.1.3a Satellite Basics and Orbits (MCQ)

21.1.3d Satellite Basics and Orbits (MCQ-Hard)

21.2 Global Positioning System (GPS)

21.2.1 Global Positioning System (GPS) (Q&A)

21.2.2 Global Positioning System (GPS) (T/F)

21.2.3a Global Positioning System: Principles and Applications (MCQ)

21.2.3b Global Positioning System: Principles and Applications (MCQ-Hard)

13.1.3a The World of Microorganisms (MCQ)

Form 5 Science
13.1 World of Microorganisms
13.1.3a The World of Microorganisms (MCQ)

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Question 1 of 10

1. Question
1 point(s)
Which characteristic primarily distinguishes bacteria from eukaryotic microorganisms like fungi and protozoa?
- They lack a defined nucleus.
- They are always multicellular.
- They possess a cell wall made of cellulose.
- They reproduce exclusively through sexual reproduction.
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Question 2 of 10

2. Question
1 point(s)
A scientist observes a microorganism that reproduces only by hijacking a host cell’s machinery. Which type of microorganism is this likely to be?
- Protozoa
- Virus
- Fungi
- Bacteria
Correct

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Question 3 of 10

3. Question
1 point(s)
In the classification of bacteria by shape, what term describes bacteria that exist in spherical chains?
- Staphylococcus
- Streptococcus
- Diplococcus
- Spirillum
Correct

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Question 4 of 10

4. Question
1 point(s)
Fungi play a crucial role as decomposers. What is the primary mode of nutrition for saprophytic fungi?
- Photosynthesis using chlorophyll.
- Ingesting living prey through phagocytosis.
- Absorbing nutrients from dead organic matter.
- Synthesizing food from inorganic chemicals.
Correct

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Question 5 of 10

5. Question
1 point(s)
Which of the following is a benefit provided by the normal flora inhabiting the human digestive tract?
- They produce essential vitamins like Vitamin K and B₁₂.
- They actively destroy the lining of the stomach to aid digestion.
- They lower the body temperature to prevent fever.
- They replace red blood cells in the circulatory system.
Correct

Incorrect
Question 6 of 10

6. Question
1 point(s)
Why is a temperature of 121°C (using an autoclave) often required for sterilization rather than just boiling at 100°C?
- Boiling only kills viruses, not bacteria.
- To ensure bacterial spores are destroyed.
- To promote the growth of thermophilic bacteria.
- To denature the enzymes of normal flora only.
Correct

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Question 7 of 10

7. Question
1 point(s)
If you wanted to create an environment that favors the growth of fungi over most bacteria, how should you adjust the pH?
- Adjust the pH to be slightly acidic (pH 4.5–5.0).
- Adjust the pH to be neutral (pH 7.0).
- Adjust the pH to be highly alkaline (pH 10.0).
- Adjust the pH to be extremely acidic (pH 2.0).
Correct

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Question 8 of 10

8. Question
1 point(s)
Protozoa like Amoeba sp. move and engulf food using which structure?
- Pseudopodia
- Cilia
- Flagella
- Hyphae
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Question 9 of 10

9. Question
1 point(s)
Which microorganism is capable of photosynthesis and possesses a cell wall made of cellulose?
- Algae
- Protozoa
- Fungi
- Viruses
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Question 10 of 10

10. Question
1 point(s)
Regarding microbial growth factors, what is the effect of freezing temperatures (0°C or below)?
- It permanently kills all microorganisms immediately.
- It inhibits growth but microbes may reactivate when warmed.
- It causes spores to germinate immediately.
- It increases the metabolic rate of the microorganisms.
Correct

Incorrect