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Locomotion and Movement

Muscle Structure Practice Questions

20 free Muscle Structure practice questions for the NCERT Biology, each with the correct answer and a detailed explanation. Open any question below, or take the full set as an interactive quiz.

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All Muscle Structure questions

20 questions
  1. Q1. Which of the following muscle types is primarily involved in locomotory actions and changes of body postures?
  2. Q2. Visceral muscles are also known as non-striated muscles because:
  3. Q3. The characteristic property of cardiac muscles that distinguishes them from skeletal muscles is that they are:
  4. Q4. In a skeletal muscle fiber, the plasma membrane is called the ________ and the cytoplasm is called the ________.
  5. Q5. Skeletal muscle fibers are described as 'syncytium' because:
  6. Q6. The storehouse of calcium ions in a muscle fiber is the:
  7. Q7. The light bands of a myofibril contain which protein and are also known by what name?
  8. Q8. The functional unit of contraction in a muscle fiber, located between two successive Z-lines, is called a:
  9. Q9. The 'H-zone' in the skeletal muscle fiber is defined as:
  10. Q10. Which of the following is a complex protein that masks the active binding sites for myosin on the actin filaments in a resting state?
  11. Q11. Each myosin (thick) filament is a polymerized protein made of monomeric units called:
  12. Q12. The globular head of meromyosin possesses binding sites for:
  13. Q13. Which of the following muscle types would be found in the wall of the alimentary canal?
  14. Q14. Which protein is composed of two 'F' (filamentous) helically wound to each other?
  15. Q15. The 'M-line' is a thin fibrous membrane that holds together:
  16. Q16. Red muscle fibers are rich in which oxygen-storing pigment?
  17. Q17. White muscle fibers differ from red muscle fibers in having:
  18. Q18. Skeletal muscles are bundled together in a parallel fashion by a common collagenous connective tissue layer called:
  19. Q19. The 'Z-line' is an elastic fiber that bisects each:
  20. Q20. Which muscle type is characterized by having 'intercalated discs'?