Biological and Chemical Properties of Soil
17 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is cation exchange capacity in soil?

  • Where one ion replaces another ion in the soil (correct)
  • The total amount of living material in a habitat
  • The process by which soil organic matter is changed into humus
  • The amount of hydrogen ions in a solution

    • Which soil particles have the greatest level of cation exchange?

  • Loam
  • Clay and humus (correct)
  • Silt
  • Sand

    • What is the pH range for acidic soil?

  • 6-8
  • 8-14
  • 0-6 (correct)
  • 7

    • What is humification in the context of soil?

    <p>The conversion of soil organic matter into humus</p> Signup and view all the answers

    What role do live bacteria called nitrogen-fixing bacteria play in the Carbon Cycle?

    <p>They convert nitrogen gas into nitrates</p> Signup and view all the answers

    What is the effect of soil pH on crop growth?

    <p>Negative correlation</p> Signup and view all the answers

    In the context of soil, what does biomass refer to?

    <p>The amount of living material in a habitat</p> Signup and view all the answers

    What converts soil organic matter into humus?

    <p><strong>Earthworms</strong></p> Signup and view all the answers

    What is the significance of cation exchange capacity in soil?

    <p>It measures the ability of soil to retain nutrients for plants</p> Signup and view all the answers

    Why is the pH of soil important for crop growth?

    <p>To understand nutrient availability for plant uptake</p> Signup and view all the answers

    How does humification contribute to soil quality?

    <p>By converting soil organic matter into humus</p> Signup and view all the answers

    What is the primary role of earthworms and bacteria in soil ecosystems?

    <p>To convert soil organic matter into humus</p> Signup and view all the answers

    Why is nitrogen fixation essential for nutrient recycling in soils?

    <p>To convert nitrogen gas into nitrates</p> Signup and view all the answers

    What does the term 'soil biomass' refer to?

    <p>The total amount of living material in a habitat</p> Signup and view all the answers

    In what pH range does acidic soil typically fall?

    <p>$0-6$</p> Signup and view all the answers

    What is the main impact of an alkaline or basic soil pH on plant growth?

    <p>Enhanced nutrient availability</p> Signup and view all the answers

    Which organisms are primarily responsible for converting nitrogen gas into nitrates in soils?

    <p>Nitrogen-fixing bacteria</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser