Biology Cell Structure and Functions Quiz
52 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 a key characteristic of prokaryotic cells?

  • They lack membrane-bound organelles. (correct)
  • They do not have a cell wall.
  • They are typically larger than eukaryotic cells.
  • They contain a nucleus.

    • Which of the following statements is true about plant cells?

  • They do not have a cell wall.
  • They contain chloroplasts. (correct)
  • They lack a large central vacuole.
  • They have a round shape.

    • What does the cell theory state regarding the origin of cells?

  • All living things are made of tissues.
  • Cells can arise from non-living matter.
  • Some cells can perform life processes independently.
  • All cells come from pre-existing cells. (correct)

    • Which feature distinguishes animal cells from plant cells?

    <p>Absence of a cell wall.</p> Signup and view all the answers

    Which of the following does NOT describe a eukaryotic cell?

    <p>Lacks organelles.</p> Signup and view all the answers

    What does it mean that a cell membrane is selectively permeable?

    <p>It only allows specific substances to pass through.</p> Signup and view all the answers

    What is the primary function of the endoplasmic reticulum?

    <p>To transport materials within the cell.</p> Signup and view all the answers

    Which of the following is NOT a reason for cell division?

    <p>To produce energy.</p> Signup and view all the answers

    How many parents are involved in sexual reproduction?

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

    What characteristic distinguishes an animal cell from a plant cell?

    <p>Animal cells do not have a cell wall.</p> Signup and view all the answers

    What is a significant advantage of sexual reproduction?

    <p>It enhances genetic variation, increasing adaptability.</p> Signup and view all the answers

    Which process involves the transport of water across a membrane?

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

    At which stage of the cell cycle do the daughter chromosomes begin to separate?

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

    What is the primary difference between diffusion and osmosis?

    <p>Diffusion transports chemical substances, while osmosis only involves water.</p> Signup and view all the answers

    Which of the following statements about asexual reproduction is true?

    <p>It can occur independently without a mate.</p> Signup and view all the answers

    What is interphase in the cell cycle?

    <p>The phase where the cell's normal functions are performed and genetic material is copied.</p> Signup and view all the answers

    Which of the following correctly describes a malignant tumor?

    <p>It is a cancerous tumor that disrupts the functioning of nearby cells.</p> Signup and view all the answers

    During which stage of the cell cycle do the chromosomes become visible and separate?

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

    What occurs during cytokinesis?

    <p>The cytoplasm divides to form two identical daughter cells.</p> Signup and view all the answers

    Which statement about mitochondria is true?

    <p>Mitochondria are responsible for energy production through cellular respiration.</p> Signup and view all the answers

    Which of the following is NOT a function of the xylem in a plant?

    <p>Transporting sugars to other parts of the plant</p> Signup and view all the answers

    Which specialized cells are responsible for opening and closing stomata in a leaf?

    <p>Guard cells</p> Signup and view all the answers

    What is the role of carbon dioxide in photosynthesis?

    <p>It is used to build glucose molecules.</p> Signup and view all the answers

    What is the primary function of stomata in a leaf?

    <p>To facilitate gas exchange with the environment</p> Signup and view all the answers

    What is the role of glucose in photosynthesis?

    <p>It is a product of the reaction.</p> Signup and view all the answers

    What is the first step in the food digestion process?

    <p>Chewing and mixing with saliva</p> Signup and view all the answers

    What role do enzymes play in digestion?

    <p>They speed up chemical reactions</p> Signup and view all the answers

    What happens to waste in the large intestine?

    <p>Excess water is absorbed and waste is excreted</p> Signup and view all the answers

    How does food move from the esophagus to the stomach?

    <p>Via muscular contractions</p> Signup and view all the answers

    What do the cells in the stomach lining produce?

    <p>Enzymes to aid indigestion</p> Signup and view all the answers

    What is the primary function of the heart?

    <p>To pump blood throughout the body</p> Signup and view all the answers

    What does blood transport from body cells?

    <p>Oxygen and nutrients</p> Signup and view all the answers

    What is the main purpose of the lungs in the body?

    <p>To exchange gases between the blood and the environment</p> Signup and view all the answers

    In addition to transporting oxygen, what other function does blood serve?

    <p>Defending against disease</p> Signup and view all the answers

    Which element does the heart help to eliminate from the body?

    <p>Carbon dioxide</p> Signup and view all the answers

    What is the role of the epiglottis during swallowing?

    <p>To prevent food from entering the respiratory system</p> Signup and view all the answers

    Which of the following is a potential risk associated with organ transplantation?

    <p>Rejection of the transplanted organ</p> Signup and view all the answers

    What is a common advantage of organ transplantation?

    <p>It can save lives</p> Signup and view all the answers

    Which statement correctly reflects a disadvantage of organ transplantation?

    <p>It prevents the use of alternative technologies</p> Signup and view all the answers

    What is a consequence of the increasing technology in organ transplantation?

    <p>Continued risks associated with donor harm</p> Signup and view all the answers

    What primary function does the brain serve in the nervous system?

    <p>Processes sensory information and controls body functions</p> Signup and view all the answers

    Which tissue type is responsible for transporting water, minerals, and nutrients in plants?

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

    Which of the following describes a neuron?

    <p>A cell that sends signals throughout the body</p> Signup and view all the answers

    What role do sense organs play in relation to the brain?

    <p>They provide information to the brain.</p> Signup and view all the answers

    Which systems interact with the circulatory system?

    <p>Respiratory and digestive systems</p> Signup and view all the answers

    What is the primary function of red blood cells?

    <p>Bind and carry oxygen</p> Signup and view all the answers

    Which tissue type is responsible for protecting against dehydration?

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

    What is the role of white blood cells in the immune system?

    <p>Surround and destroy bacteria</p> Signup and view all the answers

    Which of the following best describes cellular differentiation?

    <p>When a cell becomes specialized for a function</p> Signup and view all the answers

    What is the function of nerve tissue?

    <p>Transmitting information</p> Signup and view all the answers

    What distinguishes stem cells from specialized cells?

    <p>Stem cells are undifferentiated and can become specialized</p> Signup and view all the answers

    Which type of tissue holds bones and muscles together?

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

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser