The part of the inner ear which is responsible for hearing is :

1. Semicircular canal
2. Utriculus
3. Cochlea
4. Sacculus

The spiral organ possessing sensory cells for hearing is:

1. Ampulla
2. Semicircular Canal
3. Vestibule
4. Organ of Corti

When a person comes out of a cinema hall after a noon show, he experiences a dazzling effect for a short period of time. It happens due to degeneration of (P) …………… and regeneration of (Q) …………… pigments. Which of the following options is correct for P and Q ?

1. P - Iodopsin, Q - Rhodopsin

2. P - Rhodopsin, Q - Iodopsin

3. P - Visual violet, Q - Visual purple

4. P - Iodopsin, Q - Visual violet

Assertion. Lacrimal gland is a kind of endocrine gland which secretes an enzyme called thrombokinase.

Reason. Lacrimal gland is located in the upper outer portion of the orbit of the eye. Tears act as a lubricant and also have antiseptic property.

1. Both A and R are True
2. Both A and R are False
3. A is True and R is False.
4. A is False and R is True.