During muscular contraction,which of the following processes occurs?

Who propounded the "Sliding filament theory" for muscle contraction?

The "myosin binding site" is present on:

Draw the diagram of a sarcomere of skeletal muscle showing different regions.

Which type of muscles are responsible for the movement of the pinna in humans?

Given below are two statements $:-$
Statement-$I$ :- Each organised skeletal muscle in human body is made of a number of fascicles,held together by a common connective tissue layer called fascia.
Statement-$II$ :- The portion of the myofibril between two successive '$Z$' lines is considered as the functional unit of muscle contraction,known as a sarcomere.
In the light of the above statements,choose the correct answer from the options given below $:-$