AP EAPCET 6 Sep 2021 Shift 1 Paper

Which of the following statements about muscles are correct?
(i) Muscles show three essential properties such as excitability, conductivity and contractility
(ii) Muscular tissue is endodermal in origin except muscle of iris and ciliary body
(iii)The cytoplasin of muscle fiber has several myofibrils
(iv) Skeletal muscles exhibit slow and prolonged contractions
(v) The regular arrangement of myosin and actin filaments is reasonable for altemate dark and light bands of striated muscle