General Biology I - Cell Theory and Structure
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Questions and Answers

Which of the following statements describes a key component of cell theory?

  • Cells function independently without any regulation.
  • All living organisms are composed of cells. (correct)
  • Cells are formed from larger structures called organelles.
  • Cells can arise spontaneously from non-living matter.
  • What is considered the fundamental living unit of organisms?

  • Organ
  • Organism
  • Tissue
  • Cell (correct)
  • In what century were cells first identified?

  • 18th century
  • 17th century (correct)
  • 15th century
  • 14th century
  • Which statement about prokaryotic cells is accurate?

    <p>Prokaryotic cells lack membrane-bound organelles.</p> Signup and view all the answers

    Which of the following organelles is involved in energy production?

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

    Which of these is NOT a characteristic of all living things?

    <p>Ability to breathe</p> Signup and view all the answers

    What is the second level of organization in living organisms?

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

    Which of the following structures is found in eukaryotic cells but not in prokaryotic cells?

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

    Which statement accurately describes the Cell Theory?

    <p>Cells are the smallest unit that can exist independently.</p> Signup and view all the answers

    What is one main difference between prokaryotic and eukaryotic cells?

    <p>Prokaryotic cells are generally smaller.</p> Signup and view all the answers

    Which organelle is primarily responsible for energy production in eukaryotic cells?

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

    Which of the following scientists contributed to the development of Cell Theory?

    <p>Robert Hooke</p> Signup and view all the answers

    In a Venn diagram differentiating prokaryotes and eukaryotes, which of the following would be placed exclusively under eukaryotes?

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

    Which organelle is responsible for protein synthesis?

    <p>Endoplasmic Reticulum</p> Signup and view all the answers

    Which statement is true regarding the structure of a typical cell?

    <p>Cells can vary significantly in size and composition.</p> Signup and view all the answers

    When creating a timeline of Cell Theory contributions, which order is correct?

    <p>Robert Hooke, Anton van Leeuwenhoek, Schwann and Schleiden.</p> Signup and view all the answers

    Who was the first person to observe tiny living organisms in a drop of water?

    <p>Robert Hooke</p> Signup and view all the answers

    What was the contribution of Matthias Schleiden to the cell theory?

    <p>He examined plant structures and found they were composed of cells.</p> Signup and view all the answers

    Which of the following statements best summarizes the Cell Theory?

    <p>All living things are composed of cells and all cells arise from pre-existing cells.</p> Signup and view all the answers

    What significant observation did Theodore Schwann make?

    <p>He found that animal bodies are made of cells.</p> Signup and view all the answers

    What does Rudolf Virchow's contribution to the Cell Theory state?

    <p>Living cells come from pre-existing living cells.</p> Signup and view all the answers

    Which statement about cells is true based on the Cell Theory?

    <p>Cells are the fundamental unit of structure and function in living organisms.</p> Signup and view all the answers

    In which year did Matthias Schleiden make his observations regarding plant cells?

    <p>1838</p> Signup and view all the answers

    What did Robert Hooke contribute to the development of cell theory?

    <p>He coined the term 'cell' after observing cork.</p> Signup and view all the answers

    Study Notes

    General Biology I - Quarter 1

    • General Biology I, Quarter 1, is a module for Grade 11 students.
    • The module covers Cell Theory and Cell Structure and Function, including specific learning outcomes.
    • Learning competencies and specific learning outcomes are included in the module.

    Cell Theory

    • The cell theory explains that cells are the basic unit of life.
    • All cells come from pre-existing cells.
    • Cells are the fundamental living unit of any organism.
    • Cells were first identified around the 1600s.
    • Cells are the building blocks of life.
    • The first person to describe cells is Robert Hooke.
    • Matthias Schleiden, Theodor Schwann, and Rudolf Virchow contributed to the development of the cell theory.

    Cell Structure and Function

    • Major and subcellular organelles are described in the module.
    • Students are expected to identify organelle structures and functions.
    • Students are expected to illustrate the structures of a typical cell
    • Students are expected to construct a 3D model of a cell using recycled materials.

    Photosynthesis

    • Photosynthesis is the process of converting light energy into chemical energy.
    • Photosynthesis takes place in chloroplasts.
    • Chlorophyll is the primary pigment in chloroplasts.
    • Chlorophyll absorbs light energy for photosynthesis.
    • Photosynthesis is important to plants, animals and micro-organisms.
    • The first step in photosynthesis is absorption of light energy.
    • Another step in photosynthesis is the splitting of water molecules.
    • Two sets of reactions occur in photosynthesis: light-dependent and light-independent reactions.
    • The results of photosynthesis is glucose, and oxygen
    • The process is a key method by which green plants produce their own food.

    Cellular Respiration

    • Cellular respiration is a key process of energy transformation at a cellular level.
    • It focuses on the role of ATP in energy coupling and transfer.
    • It involves aerobic and anaerobic respiration.
    • It involves the mitochondrion as a main component.
    • Cellular respiration involves a series of chemical reactions that result in the production of ATP.
    • The two main types of respiration are aerobic (requiring oxygen) and anaerobic (without oxygen).
    • Glycolysis, Krebs cycle, and electron transport chain are key aspects of aerobic respiration.
    • Anaerobic respiration and fermentation are important alternative processes for energy production.

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    Description

    This quiz assesses Grade 11 students' understanding of Cell Theory and the structures and functions of cells. Key historical figures and fundamental concepts are explored, ensuring a comprehensive grasp of cellular biology. Prepare to illustrate organelle structures and demonstrate your knowledge of life's basic unit.

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