Question

Question 4 Write true or false. If false change the statement so that it is true.

(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.

Class - XI - Biology Chapter Locomotion and Movement Page No. 314

Answer 1

Heya....

So.. Here u go :)

1. The First One Is True.

2. False Because...H -zone of striated muscle fibre represents thick filament not the thin ones.

3. Its True Again.

4. Uh.. False.. Cz i believe there are 12 pairs.

5. True Again... :)

Hope these helps u :)

Answer 2

- True
- False, H -zone of striated muscle fibre represents thick filament
- True
- False, There are 12 pairs of ribs in man.
- True