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Q.
Which of the following hormones regulates growth and metamorphosis in insect?
Delhi UMET/DPMTDelhi UMET/DPMT 2009
Solution:
Metamorphosis is the phenomenon of passing through different juvenile forms before becoming adult or imago. In insects, the process of growth and metamorphosis is regulated by juvenile hormone which is secreted by the corpora allata (components of retrocerebral complex).