Question

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

Answer 1

(i) Starch; others are glands.
(ii) Stomach; others are digestive glands.
(iii) Absorption; others are parts of the mouth.
(iv) Small intestine; no juices are released by other parts/ no digestion in other parts.