NEET UG 2023 — Zoology Locomotion and Movement

Select the correct statements regarding mechanism of muscle contraction. A. It is initiated by a signal sent by CNS via sensory neuron. B. Neurotransmitter generates action potential in the sarcolemma. C. Increased $\mathrm{Ca}^{++}$level leads to the binding of calcium with troponin on action filaments. D. Masking of active site for actin is activated. E. Utilising the energy from ATP hydrolysis to form cross bridge. Choose the most appropriate answer from the options given below:

Match List I with List II :  Choose the correct answer from the options given below :

Match List-I with List-II: $\begin{array}{|l|l|r|l|}\hline & \begin{array}{l} \text{List I} \\ \text{Location of Joint} \end{array} & & \begin{array}{l} \text{List II} \\ \text{Type of Joint} \end{array} \\ \hline A. & \begin{array}{l} \text{Joint between humerus and} \\ \text{pectoral girdle} \end{array} & I. & \text{Gliding joint} \\ \hline B. & \text{Knee joint} & II. & \text{Ball and Socket joint} \\ \hline C. & \text{Joint between atlas and axis} & III. & \text{Hinge joint} \\ \hline D & \text{Joint between carpals} & IV. & \text{Pivot joint} \\ \hline \end{array}$ Chose the correct answer from the option given below:

Match List I with List II: <table class="pyq-table"><tbody><tr><td>List I</td><td>List II</td></tr><tr><td>A. Cartilaginous Joint</td><td>I. Between flat skull bones</td></tr><tr><td>B.Ball and Socket Joint</td><td>II. Between adjacent vertebrae in vertebral column</td></tr><tr><td>C. Fibrous Joint</td><td>III. Between carpal and metacarpal of thumb</td></tr><tr><td>D. Saddle Joint</td><td>IV. Between Humerus and Pectoral girdle</td></tr></tbody></table>Choose the correct answer from the options given below:

Match List-I with List-II.  Choose the correct answer from the options given below: