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Question

Housefly feeds on sugar by

A
Crushing its crystals and then sucking the powder
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B
Crushing and eating
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C
Sucking
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D
Dissolving in saliva and sucking.
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Solution

The correct option is D Dissolving in saliva and sucking.
  • Adult houseflies never have chewing mouthparts. They use saliva to change solids to liquids. Sponge-like mouthparts pick up semi-liquid foods, such as feces and decaying matter.
  • Hence Housefly feeds on sugar by Dissolving in saliva and sucking because they do not have chewing mouthparts.
  • So, the correct answer is '.Dissolving in saliva and sucking'.

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