Podcast
Questions and Answers
Which of the following is a micronutrient essential for plant growth?
Which of the following is a micronutrient essential for plant growth?
- Nitrogen (N)
- Potassium (K)
- Carbon (C)
- Iron (Fe) (correct)
According to Justus von Liebig’s law of the minimum, what happens if a necessary element is absent for a plant?
According to Justus von Liebig’s law of the minimum, what happens if a necessary element is absent for a plant?
- The plant grows at an accelerated rate
- The plant adapts and uses alternative elements
- The plant becomes resistant to diseases
- The plant is unable to complete a normal life cycle (correct)
Where do plants obtain carbon, oxygen, and hydrogen from?
Where do plants obtain carbon, oxygen, and hydrogen from?
- From the soil
- From water
- From organic matter
- From the air (correct)
Which of the following is a macronutrient necessary for plant growth?
Which of the following is a macronutrient necessary for plant growth?
In addition to nitrogen, which other macronutrient is typically obtained from the soil?
In addition to nitrogen, which other macronutrient is typically obtained from the soil?
What is the primary way energy enters an ecosystem?
What is the primary way energy enters an ecosystem?
What role do animals play in the movement of matter and energy through an ecosystem?
What role do animals play in the movement of matter and energy through an ecosystem?
What do decomposers primarily facilitate in an ecosystem?
What do decomposers primarily facilitate in an ecosystem?
Which of the following is an external factor that controls the overall structure of an ecosystem?
Which of the following is an external factor that controls the overall structure of an ecosystem?
What do abiotic and biotic components of an ecosystem link together through?
What do abiotic and biotic components of an ecosystem link together through?