Question

Base of the tongue is sensitive to taste
A. Salty
B. Sweet
C. Bitter
D. Sour

Answer 1

Hint: The shape and pungent taste which has a similar taste like citrus fruit peel or cranberries. The taste is produced by the acid reflux of the mouth. The taste varies according to various parts of the tongue.

Complete answer:
-The tongue is the muscular organ that is present on the floor of the mouth. It is devoid of any bone and its main purpose is to assist in the process of mastication and helps in the swallowing of food.
-The tongue is the organ which is after teeth which starts the digestion process. It is the organ which is helpful for getting distinct tastes and helps in the speech.
-The upper portion of the tongue comprises taste buds that are submerged with Lingual Papillae. The texture of the tongue is typically rough because of Lingual Papillae.
-These are tiny round structures present upon the upper surface of the tongue. This portion is sensitive due to the rich supply of nerves and blood vessels and is always kept moist by the saliva.
-Taste buds are present in the circumvallate papillae, fungiform papillae and foliate papilla. Taste buds are seen on the palatoglossal, in epiglottis and in the posterior wall of oropharynx.
-Tastes like sweet, sour, salt and bitter are sensed by all sides of the tongue.
-These are the supporting cells in taste buds which are elongated columnar cells with dark cytoplasm but lightly stained nuclei which form the outer wall of the palate. They require long microvilli that go from their surfaces to the taste pore.
-The back of the tongue is very sensitive to bitter taste.

Hence, the correct answer is option (C).

Note: There is an upscale network of lymphatic and loose connective tissue inside the substance of the tongue which causes the swelling of the tongue in glossitis. The tongue is helpful in taste, speech and thermal regulation.