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Questions and Answers
Which of the following diseases is caused by a virus?
Which of the following diseases is caused by a virus?
- Tuberculosis
- Malaria
- Cholera
- Influenza (correct)
Which of the following is a common method of food preservation using microorganisms?
Which of the following is a common method of food preservation using microorganisms?
- Fermentation (correct)
- Microwaving
- Salting
- Freezing
What is the role of nitrogen-fixing bacteria in agriculture?
What is the role of nitrogen-fixing bacteria in agriculture?
- Converting atmospheric nitrogen into a form that plants can use (correct)
- Producing harmful toxins in the soil
- Causing nitrogen depletion in the soil
- Absorbing excess nitrogen from the soil
Which of the following is a fossil fuel?
Which of the following is a fossil fuel?
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What is the primary component of coal?
What is the primary component of coal?
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Which process is responsible for the formation of petroleum?
Which process is responsible for the formation of petroleum?
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Study Notes
Diseases and Microorganisms
- Influenza is a disease caused by a virus.
- Fermentation is a common method of food preservation using microorganisms.
Nitrogen-fixing Bacteria and Agriculture
- Nitrogen-fixing bacteria play a crucial role in agriculture by converting atmospheric nitrogen into a form that can be used by plants.
Fossil Fuels
- Coal is a fossil fuel.
- The primary component of coal is carbon.
- Petroleum is formed through the process of diagenesis, which involves the transformation of organic matter under high pressure and temperature over millions of years.
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