A) cerebellum
B) cerebrum
C) olfactory lobes
D) midbrain
Correct Answer: C
Solution :
Olfactory region is the centre of olfaction (= sense of smell). It helps the animal in detecting its food by smell. Frogs detect preys, not by smell, but by their movements. Hence, olfactory region is relatively small. Mammals detect their food by smell. Hence, the olfactory region is relatively larger and with most of it structurally and functionally incorporated in the cerebrum.
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