Organisms, Taxonomy, Evolution, and Scientific Method Quiz
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Questions and Answers

What is the correct order of biological hierarchy, from the lowest level to the highest level?

  • Cell, Tissue, Organ, Organism, Population, Community, Ecosystem
  • Organism, Organ, Tissue, Cell, Ecosystem, Population, Community
  • Cell, Organism, Tissue, Organ, Community, Population, Ecosystem (correct)
  • Tissue, Cell, Organism, Organ, Community, Population, Ecosystem

    • What are the properties of water that make it essential for living organisms?

  • Low heat capacity and high surface tension
  • High heat capacity and high surface tension
  • Low heat capacity and low surface tension
  • High heat capacity and low surface tension (correct)

    • What is the main concept of Darwin’s theory of evolution that explains the differential survival and reproduction of individuals due to differences in phenotype?

  • Adaptation
  • Mutation
  • Genetic Drift
  • Natural Selection (correct)

    • Which type of chemical bond involves the sharing of electrons between atoms?

    <p>Covalent bond</p> Signup and view all the answers

    What is the pH range for a substance to be considered as an acid?

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

    Which subatomic particle determines the chemical properties of an element?

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

    Which of the following best describes hydrophilic molecules?

    <p>Molecules that attract water</p> Signup and view all the answers

    What is the role of buffers in a biological system?

    <p>To maintain a stable pH in a solution</p> Signup and view all the answers

    Which statement best describes the structure of prokaryotic cells?

    <p>They lack a well-defined nucleus and membrane-bound organelles</p> Signup and view all the answers

    Which of the following best represents the function of ribosomes in a cell?

    <p>Protein synthesis</p> Signup and view all the answers

    What is the main function of the centrosome in a cell?

    <p>To regulate cell division</p> Signup and view all the answers

    Which of the following accurately describes the difference between DNA and RNA?

    <p>DNA contains deoxyribose sugar, while RNA contains ribose sugar</p> Signup and view all the answers

    Which of the following types of membrane lipids forms a barrier to the passage of polar molecules across the plasma membrane?

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

    What is the primary role of glycogen in living organisms?

    <p>Energy storage in animal cells</p> Signup and view all the answers

    Lysosomes are organelles that primarily function in:

    <p>Waste disposal and recycling</p> Signup and view all the answers

    Which of the following is a correct order of biological hierarchy, from the lowest level to the highest level?

    <p>Cell, Organism, Tissue, Organ, Community, Population, Ecosystem</p> Signup and view all the answers

    Which subatomic particle determines the chemical properties of an element?

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

    What is the main function of the centrosome in a cell?

    <p>Cell division</p> Signup and view all the answers

    What is the primary role of glycogen in living organisms?

    <p>Energy storage</p> Signup and view all the answers

    Which type of chemical bond involves the sharing of electrons between atoms?

    <p>Covalent bond</p> Signup and view all the answers

    What accurately describes the difference between DNA and RNA?

    <p>RNA is single-stranded while DNA is double-stranded</p> Signup and view all the answers

    Which of the following describes the role of the cytoskeleton in a living organism?

    <p>Facilitating cell movement and maintaining cell shape</p> Signup and view all the answers

    What is the primary function of the flagella in a cell?

    <p>Aiding in cell motility</p> Signup and view all the answers

    Which type of intercellular junction is primarily responsible for cell-cell adhesion in animal cells?

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

    What is the main function of glycogen in living organisms?

    <p>Energy storage in animal cells</p> Signup and view all the answers

    Which statement best describes the structure of eukaryotic cells?

    <p>Contain membrane-bound organelles</p> Signup and view all the answers

    What is the main role of the endoplasmic reticulum in a cell?

    <p>Modifying and sorting proteins for secretion</p> Signup and view all the answers

    Which of the following best describes the function of histones in eukaryotic cells?

    <p>Regulating gene expression by modifying chromatin structure</p> Signup and view all the answers

    Which type of membrane lipid forms a barrier to the passage of polar molecules across the plasma membrane?

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

    Which organelle is primarily responsible for detoxifying harmful substances in a cell?

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

    In a plant cell, which organelle is responsible for photosynthesis?

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

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