Podcast
Questions and Answers
Which of the following is NOT required by plants for their nutrition?
Which of the following is NOT required by plants for their nutrition?
- Inorganic salts
- Water
- Organic materials (correct)
- Carbon dioxide
What is the primary source of energy for plants to synthesize nutrients?
What is the primary source of energy for plants to synthesize nutrients?
- Carbon dioxide
- Solar energy (correct)
- Inorganic salts
- Water
Which of the following elements is NOT absorbed by plants from the soil?
Which of the following elements is NOT absorbed by plants from the soil?
- Phosphorus
- Nitrogen (correct)
- Chlorine
- Iron
What are the inorganic compounds that plants may take up from the soil but do not need for their own nutrition?
What are the inorganic compounds that plants may take up from the soil but do not need for their own nutrition?
What are the nutrients in soil primarily derived from?
What are the nutrients in soil primarily derived from?
Plants obtain organic materials for their nutrition from the soil.
Plants obtain organic materials for their nutrition from the soil.
Plants require inorganic salts for their nutrition.
Plants require inorganic salts for their nutrition.
Plants obtain nitrogen from carbon dioxide (CO2) and water.
Plants obtain nitrogen from carbon dioxide (CO2) and water.
Plants may take up inorganic compounds from the soil that they do not need.
Plants may take up inorganic compounds from the soil that they do not need.
The nutrients found in soil come from the breakdown of rocky material on Earth's surface.
The nutrients found in soil come from the breakdown of rocky material on Earth's surface.
Which of the following is NOT one of the six classical simple machines defined by Renaissance scientists?
Which of the following is NOT one of the six classical simple machines defined by Renaissance scientists?
What is the term used to describe the ratio of the output force to the applied force in a simple machine?
What is the term used to describe the ratio of the output force to the applied force in a simple machine?
Which of the following statements about simple machines is true?
Which of the following statements about simple machines is true?
What is the term used to describe the mechanical advantage gained by a simple machine at the cost of a proportional decrease in the distance moved by the load?
What is the term used to describe the mechanical advantage gained by a simple machine at the cost of a proportional decrease in the distance moved by the load?
What are simple machines often referred to as?
What are simple machines often referred to as?
Study Notes
Plant Nutrition
- Plants require inorganic salts for their nutrition.
- Plants do not obtain nitrogen from carbon dioxide (CO2) and water.
- Plants may take up inorganic compounds from the soil that they do not need for their own nutrition.
- Nutrients in soil are primarily derived from the breakdown of rocky material on Earth's surface.
Simple Machines
- There are six classical simple machines defined by Renaissance scientists.
- The term used to describe the ratio of the output force to the applied force in a simple machine is mechanical advantage.
- One of the true statements about simple machines is that they can gain mechanical advantage at the cost of a proportional decrease in the distance moved by the load.
- Simple machines are often referred to as "machines of antiquity".
- Mechanical advantage gained by a simple machine is at the cost of a proportional decrease in the distance moved by the load.
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Description
Test your knowledge on plant nutrition and learn about the essential inorganic salts that plants require for their growth. Explore the role of phosphorus in plant development, and understand how plants obtain nutrients from their environment.
