General Biology 1 - First Semester (1st Quarter)
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Questions and Answers

Which of the following is the correct statement about the cell theory?

  • The cell theory states that all cells have the same structure
  • The cell theory states that prokaryotic cells are more complex than eukaryotic cells
  • The cell theory states that all living organisms are made up of cells (correct)
  • The cell theory states that all cells have a nucleus

    • What is the main difference between prokaryotic and eukaryotic organisms?

  • Prokaryotic organisms are unicellular, while eukaryotic organisms are multicellular (correct)
  • Prokaryotic organisms are more complex than eukaryotic organisms
  • Prokaryotic organisms have a nucleus, while eukaryotic organisms do not
  • Prokaryotic organisms have membrane-bound organelles, while eukaryotic organisms do not

    • What is the basic structure that all cells have in common?

  • Cell membrane, nucleus, and mitochondria
  • Cell membrane, cytoplasm, and organelles (correct)
  • Cell wall, cytoplasm, and nucleus
  • Cell wall, nucleus, and chloroplasts

    • What is the correct categorization of living organisms based on cell structure?

    <p>Prokaryotes and eukaryotes</p> Signup and view all the answers

    Which scientist is known for his experiments on spontaneous generation and the use of swan-necked flasks?

    <p>Louis Pasteur</p> Signup and view all the answers

    Which scientist is credited with formulating the cell theory?

    <p>Louis Pasteur</p> Signup and view all the answers

    What is the main difference between prokaryotic and eukaryotic organisms?

    <p>Prokaryotic organisms are unicellular, while eukaryotic organisms are multicellular.</p> Signup and view all the answers

    Which of the following is NOT a characteristic of all cells?

    <p>Are multicellular</p> Signup and view all the answers

    Which of the following statements about cells is correct?

    <p>All cells have the same basic structure</p> Signup and view all the answers

    Which of the following is true about prokaryotic organisms?

    <p>They are single-celled organisms</p> Signup and view all the answers

    Which of the following is true about eukaryotic organisms?

    <p>They are multicellular organisms</p> Signup and view all the answers

    Which of the following is NOT one of the main tissues of plants?

    <p>Meristematic tissue system</p> Signup and view all the answers

    What is the function of muscle cells in plants?

    <p>Structural support</p> Signup and view all the answers

    Which type of tissue is responsible for transport of water and nutrients in plants?

    <p>Vascular tissue</p> Signup and view all the answers

    What is the function of guard cells in plants?

    <p>Regulation of gas exchange</p> Signup and view all the answers

    What is the function of red blood cells in animals?

    <p>Transport of oxygen</p> Signup and view all the answers

    Which of the following is NOT one of the main tissues of plants?

    <p>Vascular tissue</p> Signup and view all the answers

    What is the function of guard cells in plants?

    <p>For regulating gas exchange</p> Signup and view all the answers

    What is the function of muscle cells in animals?

    <p>For movement</p> Signup and view all the answers

    Which of the following is NOT one of the main tissues of plants?

    <p>Vascular tissue</p> Signup and view all the answers

    What is the function of red blood cells in animals?

    <p>Transport of oxygen</p> Signup and view all the answers

    Which scientist is credited with formulating the cell theory?

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

    Which of the following is NOT one of the main tissues of plants?

    <p>Muscle tissue</p> Signup and view all the answers

    Which of the following is NOT a type of connective tissue?

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

    Which of the following is the correct categorization of living organisms based on cell structure?

    <p>Prokaryotes and eukaryotes</p> Signup and view all the answers

    Which of the following is the correct order of organization in plants?

    <p>tissues-cells-organs-organ systems-organism</p> Signup and view all the answers

    Which of the following statements about tissues is true?

    <p>Tissues are groups of cells that have specific function.</p> Signup and view all the answers

    Which of the following is true about the human body?

    <p>The human body consists of eleven organ systems.</p> Signup and view all the answers

    Which of the following is an example of an organ?

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

    Which of the following is the correct level of organization of an organism?

    <p>Organism-cell-tissue-organ system-organ</p> Signup and view all the answers

    Which of the following is true about the organization of multicellular organisms?

    <p>They are divided into five levels: cells, tissues, organs, organ systems, and organisms</p> Signup and view all the answers

    Which of the following is NOT one of the main tissues of plants?

    <p>Epithelial tissue</p> Signup and view all the answers

    Which of the following is true about cells?

    <p>Cells are the basic unit of life in all organisms</p> Signup and view all the answers

    Which of the following statements about plant cells is true?

    <p>Plant cells can replicate themselves and become tissues.</p> Signup and view all the answers

    Which of the following is NOT a level of organization in multicellular organisms?

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

    Which of the following is an example of an organ system in plants?

    <p>Root system</p> Signup and view all the answers

    Which type of muscle is responsible for pumping blood throughout the body?

    <p>Cardiac muscle</p> Signup and view all the answers

    What is the primary function of the skeletal system?

    <p>To protect internal organs</p> Signup and view all the answers

    What is the function of tendons?

    <p>To connect skeletal muscles to bones</p> Signup and view all the answers

    What is the primary function of the respiratory system?

    <p>To carry out the exchange of gases</p> Signup and view all the answers

    What is the function of the circulatory system?

    <p>To act as a delivery and waste removal system for the body</p> Signup and view all the answers

    Which type of muscle is responsible for voluntary movements such as speaking, walking, or writing?

    <p>Skeletal muscle</p> Signup and view all the answers

    What is the primary function of the skeletal system?

    <p>To support and protect the body's organs</p> Signup and view all the answers

    Which of the following is NOT a primary organ of the respiratory system?

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

    Which of the following is responsible for the strength and flexibility of the skin?

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

    Which type of muscle is found only in the heart?

    <p>Cardiac muscle</p> Signup and view all the answers

    What is the primary function of the skeletal system?

    <p>To form a solid framework that supports and protects the body's organs</p> Signup and view all the answers

    Which organ system is responsible for controlling moods, growth and development, metabolism, organs, and reproduction?

    <p>Endocrine system</p> Signup and view all the answers

    Which organ is known as the 'master gland' and regulates the function of other organs and glands in the body?

    <p>Pituitary gland</p> Signup and view all the answers

    Which organ system is responsible for filtering harmful substances like bacteria and cancer cells from the body?

    <p>Lymphatic system</p> Signup and view all the answers

    Which organ system consists of the brain, spinal cord, sensory organs, and nerves?

    <p>Nervous system</p> Signup and view all the answers

    Which organ system is responsible for reproduction in both males and females?

    <p>Reproductive system</p> Signup and view all the answers

    Which of the following is responsible for controlling the release of hormones and maintaining daily physiological cycles?

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

    Which organ is responsible for converting the food we eat into fuel for the body's cells?

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

    Which organ system is responsible for the control of the body and communication among its parts?

    <p>Nervous system</p> Signup and view all the answers

    Which organ system is responsible for converting the food we eat into fuel for the body's cells?

    <p>Digestive system</p> Signup and view all the answers

    Which organ system controls the release of hormones and maintains daily physiological cycles?

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

    Which organ system filters harmful substances like bacteria and cancer cells from the body?

    <p>Lymphatic system</p> Signup and view all the answers

    During meiosis, the resulting reproductive cells, or gametes, each have how many genetically unique chromosomes?

    <p>23</p> Signup and view all the answers

    What is the main difference between the daughter cells produced during meiosis and mitosis?

    <p>Daughter cells in meiosis are genetically diverse, while daughter cells in mitosis are genetically identical.</p> Signup and view all the answers

    Which stage of meiosis is characterized by the separation of homologous chromosomes and their movement towards the spindle poles?

    <p>Anaphase I</p> Signup and view all the answers

    What is crossing over in meiosis?

    <p>The swapping of genetic material that occurs between non-sister chromatids.</p> Signup and view all the answers

    What is the result of meiosis?

    <p>Four cells containing half the original amount of genetic information.</p> Signup and view all the answers

    During meiosis, how many daughter cells are produced from one single parent cell?

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

    Which of the following is true about the daughter cells produced during meiosis?

    <p>They are genetically diverse</p> Signup and view all the answers

    What is the purpose of crossing over in meiosis?

    <p>To create genetically diverse daughter cells</p> Signup and view all the answers

    During meiosis, how many times does a single cell divide?

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

    Which of the following is NOT a characteristic of meiosis?

    <p>Each daughter cell has a complete set of 46 chromosomes</p> Signup and view all the answers

    What is the main difference between meiosis and mitosis?

    <p>Meiosis produces genetically diverse daughter cells, while mitosis produces genetically identical daughter cells</p> Signup and view all the answers

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