(a) Actin is present in thin filament

(b) H-zone of striated muscle fibre represents both thick and thin filaments.

(c) Human skeleton has 206 bones.

(d) There are 11 pairs of ribs in man.

(e) Sternum is present on the ventral side of the body.

Answers:

(a) True

(b) False. Correct statement – H-zone of the striated muscle fiber represents only thick filaments’

(c) True

(d) False. Correct statement – There are 12 pairs of ribs in man.

(e) True