In holometabolous insects,

Question

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Holometabolous insects undergo complete metamorphosis, meaning they have distinct larval, pupal, and adult stages. The pupal stage is a non-feeding stage where the insect undergoes extensive restructuring before emerging as an adult. This distinguishes them from hemimetabolous insects, which have gradual metamorphosis and lack a distinct pupal stage.

The other choices are incorrect. Adults of holometabolous insects are usually able to fold their wings against their bodies (choice A). Juveniles of holometabolous insects look vastly different from adults and are often worm-like (choice B). Secondarily wingless forms are not exclusive to holometabolous insects (choice C). Finally, not all forms have one pair of wings – some holometabolous insects have two pairs of wings in their adult form.

In Holometabolous Insects