The antiseptic present in tears:

1. Iodine
2. Hydrogen peroxide
3. Lysozyme
4. Lysosome

During light adaptation:

1. Rods and cones become active.
2. Rods and cones become inactive.
3. Rods become active and cones inactive.
4. Cones become active and rods inactive.

Which parts of the ear are responsible for:

(a) Static equilibrium?

(b) Dynamic equilibrium?