Q12. Distinguish between:
(b) impulse conduction in a myelinated nerve fibre and unmyelinated nerve fibre
11. The region of the vertebrate eye, where the optic nerve passes out of the retina, is called the
(c) blind spot
(d) optic chaisma
Q8. Explain the following:
(c) Mechanism through which a sound produces a nerve impulse in the inner ear.