Question 15
Choose the odd one out from each group and give reasons.
i) Liver, salivary gland, starch, gall bladder
ii) Stomach, liver, pancreas, salivary gland
iii) Tongue, absorption, taste, swallow
iv) Oesophagus, small intestine, large intestine, rectum
i) Starch - Starch is a type of carbohydrate whereas liver, salivary gland, gall bladder are glands.
ii) Stomach - Stomach is an organ inside which digestion happens. Digestion does not happen inside liver, pancreas and salivary gland.
iii) Absorption - Absorption is done by small intestine. All the other terms are related to the mouth.
iv) Small intestine - Small intestine helps in digestion of nutrients by secreting enzymes. All the other parts do not do any work of digestion.