S9 Unit C 1.0 Review: Nitrogen Fixation Cycle, Acids and Bases
16 Questions
0 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 the neutralization equation for acid and base?

  • Base + Salt -> Acid + Water
  • Acid + Base -> Water + Salt (correct)
  • Acid + Water -> Salt + Base
  • Water + Acid -> Base + Salt
  • What are the basic units of carbohydrates, lipids, proteins, and nucleic acids?

  • Nucleotides, monosaccharides, amino acids, fatty acids
  • Amino acids, fatty acids, monosaccharides, nucleotides
  • Fatty acids, amino acids, nucleotides, monosaccharides
  • Monosaccharides, fatty acids, amino acids, nucleotides (correct)
  • What are macronutrients and how many are necessary for humans?

  • Nutrients needed in very small amounts; 5
  • Nutrients needed in large amounts; 6
  • Nutrients needed in large amounts; 3 (correct)
  • Nutrients needed in very small amounts; 3
  • How do nutrients move in our bodies through the process of osmosis?

    <p>From a higher concentration to a lower concentration</p> Signup and view all the answers

    What is the difference between organic and inorganic compounds?

    <p>Organic compounds contain carbon and hydrogen, while inorganic compounds do not.</p> Signup and view all the answers

    What are macronutrients and how many are necessary for humans?

    <p>Macronutrients are nutrients required in large amounts, and humans need 3 of them.</p> Signup and view all the answers

    How do nutrients move in our bodies?

    <p>By active transport</p> Signup and view all the answers

    How does the pH scale work? What does it tell us?

    <p>The pH scale measures the concentration of hydrogen ions in a solution. A lower pH indicates a higher concentration of hydrogen ions.</p> Signup and view all the answers

    Which stage of the nitrogen cycle involves the conversion of ammonia or ammonium into nitrite and then into nitrate?

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

    What is the primary process that converts atmospheric nitrogen (N2) into ammonia (NH3) or ammonium (NH4+), making it available for plants' use?

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

    Where does nitrogen assimilation occur in the nitrogen cycle?

    <p>When plants absorb dissolved nitrogen compounds from the soil</p> Signup and view all the answers

    What is the main source of ammonia or ammonium for the nitrogen cycle?

    <p>Organic nitrogen from dead plants and animals</p> Signup and view all the answers

    What is the role of Nitrosomonas and Nitrobacter in the nitrogen cycle?

    <p>Absorbing nitrates and converting them into organic nitrogen</p> Signup and view all the answers

    Which process releases nitrogen gas into the atmosphere, making it available for fixation to start the cycle again?

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

    How does the nitrogen cycle indirectly relate to the oxygen cycle?

    <p>Nitrogen supports photosynthesis, indirectly linking it to the oxygen cycle</p> Signup and view all the answers

    What is the consequence of disrupting the processes of the nitrogen cycle?

    <p>Negative impacts on ecosystems, agriculture, and human health</p> Signup and view all the answers

    More Like This

    Biology Vocabulary Quiz
    13 questions

    Biology Vocabulary Quiz

    RaptReasoning3508 avatar
    RaptReasoning3508
    Nitrogen Cycle Overview
    37 questions

    Nitrogen Cycle Overview

    ThrillingMossAgate7191 avatar
    ThrillingMossAgate7191
    دورة النيتروجين
    5 questions

    دورة النيتروجين

    ObtainableEquation1632 avatar
    ObtainableEquation1632
    Use Quizgecko on...
    Browser
    Browser