CBSE Class 11 Biology: Locomotion and Movement Chapter 20
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Questions and Answers

Which type of joint is characterized by the presence of cartilage in vertebrae?

  • Cartilaginous joints (correct)
  • Synovial joints
  • Pivot joints
  • Hinge joints

    • What is the primary cause of Osteoporosis?

  • Decreased estrogen levels (correct)
  • Autoimmune disorder
  • Accumulation of uric acid crystals
  • Genetic disorder

    • Which of the following disorders is characterized by rapid spasms in muscles due to low calcium levels in the body fluid?

  • Myasthenia gravis
  • Muscular Dystrophy
  • Gout
  • Tetany (correct)

    • What is the primary cause of Gout?

    <p>Accumulation of uric acid crystals</p> Signup and view all the answers

    Which of the following joints permits limited movements?

    <p>Cartilaginous joints</p> Signup and view all the answers

    What is the primary cause of Muscular Dystrophy?

    <p>Genetic disorder</p> Signup and view all the answers

    Which of the following is an autoimmune disorder affecting the neuromuscular junction?

    <p>Myasthenia gravis</p> Signup and view all the answers

    What is the primary characteristic of Synovial joints?

    <p>Fluid-filled synovial cavity</p> Signup and view all the answers

    Which of the following is a condition characterized by inflammation of joints?

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

    Which of the following disorders is characterized by the degeneration of skeletal muscles?

    <p>Muscular Dystrophy</p> Signup and view all the answers

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