Biology·MCQ Practice
Structure of Contractile Proteins — MCQ Practice
NEET UG
Version 1Updated 21 Mar 2026
Interactive MCQ Practice
Test your knowledge. Click “Solve” to reveal options, select your answer, then check the result. 6 questions available.
Q1medium
Which of the following statements about the structure of the thin filament is INCORRECT?
Q2easy
Which part of the myosin molecule possesses both actin-binding sites and ATPase activity?
Q3medium
During muscle contraction, the length of which of the following remains unchanged?
Q4medium
If a muscle cell is treated with a chemical that prevents the binding of calcium ions to troponin, what would be the immediate effect on muscle contraction?
Q5easy
Which of the following is NOT a component of the troponin complex?
Q6easy
A single myosin molecule is composed of: