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CBSE Class 11 Biology: Locomotion and Movement Chapter 20

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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?

Accumulation of uric acid crystals Signup and view all the answers

Which of the following joints permits limited movements?

Cartilaginous joints Signup and view all the answers

What is the primary cause of Muscular Dystrophy?

Genetic disorder Signup and view all the answers

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

Myasthenia gravis Signup and view all the answers

What is the primary characteristic of Synovial joints?

Fluid-filled synovial cavity Signup and view all the answers

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

Arthritis Signup and view all the answers

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

Muscular Dystrophy Signup and view all the answers