Biology Class 9
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Questions and Answers

Which of the following is not a primary function of the human skeletal system?

  • Producing red blood cells (correct)
  • Supporting the body
  • Facilitating movement
  • Storing minerals
  • Which type of blood vessel carries blood away from the heart?

  • Venule
  • Vein
  • Capillary
  • Artery (correct)
  • Which of the following is not a characteristic of prokaryotic cells?

  • Presence of circular DNA
  • Single-celled organisms
  • Absence of membrane-bound organelles
  • Presence of a true nucleus (correct)
  • Which of the following is not a primary function of the human skeletal system?

    <p>Production of red blood cells</p> Signup and view all the answers

    What is the primary function of the stomata in plant leaves?

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

    Which of the following is not a characteristic of prokaryotic cells?

    <p>Absence of ribosomes</p> Signup and view all the answers

    Study Notes

    Human Skeletal System

    • Primary functions of the human skeletal system do not include _______________ (answer to be filled in)
    • Supports and protects the body, produces blood cells, and stores minerals

    Blood Vessels

    • Arteries carry blood away from the heart

    Prokaryotic Cells

    • Characteristics of prokaryotic cells do not include _______________ (answer to be filled in)
    • Lack a true nucleus, have a single circular chromosome, and are typically small in size

    Plant Leaves

    • Primary function of stomata in plant leaves is to allow for gas exchange (CO2 in, O2 out)

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    Description

    Test your knowledge of the human skeletal system, circulatory system, and cell biology with this Class 9 Biology quiz. Answer questions about the functions of the skeletal system, types of blood vessels, and characteristics of prokaryotic cells to assess your understanding of these key biological concepts.

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