Zoology - Digestion and Absorption Question with Solution | TestHub
Which statements among the following are CORRECT?
I. The upper surface of the tongue has small projections called papillae, some of which bear taste buds.
II. The serosa is the innermost layer of the alimentary canal and is made up of a thin mesothelium (epithelium of visceral organs) with some connective tissues.
III. The liver is the largest gland of the body weighing about 4.2 to 5 kg in an adult human.
IV. During the process of digestion, the stomach stores the food for 2-3 hours.
Options:
Answer:
Solution:
The upper surface of the tongue has small projections called papillae, some of which bear taste buds (detects specific tastes) in which about 50 - 150 cells are found. The general tastes detected are sweet, sour, salty, and bitter. The serosa is the outermost layer of the alimentary canal and is made up of a thin mesothelium (epithelium of visceral organs) with some connective tissues. The liver is the largest gland that produces bile for the digestive process and weighs about 1.2 t o 1.5 k g in an adult human. During the process of digestion, the stomach stores the food for 2.5-3 hours.
