What is formed by the bones of pectoral girdle, pelvic girdle and limbs?

Statement I : Tendons attach one bone with another bone.
Statement II : Epiglottis is formed by elastic cartilage.

The correct option among the following is

The graph below depicts the velocity of an enzyme-catalyzed reaction vs. substrate concentration. Identify the alphabets with the correct descriptions.

I. $\mathrm{A}=$ Enzyme activity

II. $\mathrm{B}=$ Substrate concentration at maximum velocity

III. $\mathrm{A}=$ Substrate concentration at which half of the maximum velocity

IV. $\mathrm{B}=$ Half of the maximum velocity

Study the following statements
$A)$ Compound epithelium forms the lining of the larger pancreatic ducts as stratified cuboidal epithelium
$B)$Cartilage is a vascular tissue surrounded by fibrous connective tissue sheath called perichondrium
$C)$Gap junctions in cardiac muscles permit electrical impulses to be conducted rapidly
$D)$ Myelinated nerve fibres are found in grey matter of the central nervous system

Among the above, identify incorrect statements