1. Viscous fluid filled in the space behind the lens:   Aqueous humor   Both   Vitreous humor   Hint Half-n-half Clue   2. True or false: Lens has the property to change its curvature.   True   False   Hint       3. Identify the ear ossicle "A" in this diagram.   Incus   Malleus   Stapes   Hint       4. True or false: The end organs (receptors) of smell are known as olfactory neurons.   True   False   Hint       5. Layer of the eye in which rods and cones are found   Choroid   Sclera   Cornea   Retina   Hint       6. Identify pupil in this diagram.   D   C   A   B   Hint       7. True or false: Cornea is a translucent membrane.   True   False   Hint