1. True or false: Lens has the property to change its curvature.   True   False   Hint Hint       2. Thin watery fluid, which is filled in the space just behind the cornea   Vitreous humor   Aqueous humor   Gel   Half-n-half Clue   3. True or false: The end organs (receptors) of smell are known as olfactory neurons.   True   False   Hint       4. The end organs (receptors) of taste sensation are called _______.   Taste pores   Papillae   Taste buds   Tongue   Half-n-half Clue   5. True or false: Few taste receptors are also found in the cheek.   True   False   6. Part of the eye affected in cataract   Sclera   Cornea   Lens   Pupils   Hint       7. Identify iris in this diagram.   C   D   A   B   Hint