1. Thin watery fluid, which is filled in the space just behind the cornea   Vitreous humor   Aqueous humor   Gel   Hint Half-n-half Clue   2. Identify the structure 'A' in this diagram.   Optic Nerve   Optic Chiasma   Retina   Optic Papilla   Half-n-half Clue   3. Identify the ear ossicle "A" in this diagram.   Incus   Malleus   Stapes   Hint       4. The end organs (receptors) of taste sensation are called _______.   Tongue   Papillae   Taste pores   Taste buds   Half-n-half Clue   5. Small elevations on the tongue which contain taste buds are known as   Papillae   Receptors   Gyri   Humps   Half-n-half Clue   6. True or false: The end organs (receptors) of smell are known as olfactory neurons.   True   False   Hint       7. _______ membrane is found between external and middle ear.   Ear   Vestibular   Tympanic   Auditory   Hint