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Question

In insects feeding on nectar, the proboscis is formed by modification of

A
Hypopharynx
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B
Mandibles
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C
Labium
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D
Galea
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Solution

The correct option is D Galea

The proboscis is a structurally and functionally complex conduit that is used for transporting fluids from pools and wetted surfaces to the butterfly’s gut. The food canal of the proboscis (where fluids travel) is formed when the two strand-like maxillary galeae fasten together via dorsal and ventral linking structures called legulae. So, the correct answer is 'Galea'.


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