Chris was watching the display of fireworks in the sky.

(a) Trace the path of the light rays using the following terms:

Fovea, Lens, Conjunctiva, Pupil, Cornea

(b) Name the nerve that carries the impulse for vision to the brain.

Kathak is an Indian classical dance which involves a lot of spinning by the dancers. The learners of this dance experience dizziness in the beginning while spinning.

(a) Name the part of the membranous labyrinth responsible for this dizziness.

(b) Give a suitable reason for your answer.

(c) Mention the nerve that carries the impulse for dizziness to the brain.

Assertion (A): Rods and Cones are photoreceptors in the sclera of eyeball.

Reason (R): Rods are sensitive to dim light.

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

The ear ossicle that transports sound vibrations to the inner ear:

1. Stapes
2. Malleus
3. Incus
4. Cochlea