Mark the given statements True (T) or False (F):

(i) Streaming of protoplasm in unicellular organisms like Amoeba is a complex form of movements.

(ii) Cytoskeletal elements like macrofilament are involved in amoeboid movements.

(iii) Muscle is a specialized tissue of mesodermal origin and about 40-50% of body weight of human is contributed by muscles.

(iv) Many muscle bundles in skeletal muscle is held together by a common collagenous connective tissue layer called fascia.

(v) The plasma membrane of muscle fibre is called sarcolemma.

(vi) Sarcoplasmic reticulum of muscle fibre is the store house of potassium ion.

(vii) The light band of sarcomere contains myosin protein and is called isotropic/I band.

(viii) Z-line bisects the I-band

(ix) A-band is held together in the middle by thick fibrous membrane called M-line.

(x) The function of contraction in muscle is sarcomere.

(xi) The central part of thin filament not overlapped by thin filament is called H-zone.

Choose the correct option given below: