Plant Nutrition Quiz
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Questions and Answers

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?

  • 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?

  • From the soil
  • From water
  • From organic matter
  • From the air (correct)
  • Which of the following is a macronutrient necessary for plant growth?

    <p>Phosphorus (P)</p> Signup and view all the answers

    In addition to nitrogen, which other macronutrient is typically obtained from the soil?

    <p>Sulfur (S)</p> Signup and view all the answers

    What is the primary way energy enters an ecosystem?

    <p>Through photosynthesis</p> Signup and view all the answers

    What role do animals play in the movement of matter and energy through an ecosystem?

    <p>They feed on plants and on one another, influencing matter and energy flow</p> Signup and view all the answers

    What do decomposers primarily facilitate in an ecosystem?

    <p>Nutrient cycling by converting nutrients stored in dead biomass</p> Signup and view all the answers

    Which of the following is an external factor that controls the overall structure of an ecosystem?

    <p>Climate</p> Signup and view all the answers

    What do abiotic and biotic components of an ecosystem link together through?

    <p>Nutrient cycles and energy flows</p> Signup and view all the answers

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