Write true or false. If false change the statement so that it is true.
Actin is present in thin filament
True. Actin is present in thin filament.
H-zone of striated muscle fibre represents both thick and thin filaments.
False. H-zone of striated muscle fibre represents only thick filaments.
Human skeleton has 206 bones.
True. Human skeleton has 206 bones.
There are 11 pairs of ribs in man.
False. There are 12 pairs of ribs in man.
Sternum is present on the ventral side of the body.
True. Sternum is present on the ventral side of the body.
Explanation
These answers are based on NCERT Biology textbook content. (a) Thin filaments contain actin protein. (b) H-zone is the central region of A-band containing only thick filaments. (c) The adult human skeleton comprises 206 bones. (d) Humans have 12 pairs of ribs. (e) Sternum is part of the axial skeleton located on the ventral side of the body.