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← Nature & AnimalsWhich outcome occurs when juvenile hormone production prematurely ceases in insect larva during metamorphosis initiation?
A)Precocious pupation halting further growth✓
B)Formation non-functional malformed adult
C)Complete molting failure undeveloped form
D)Delayed metamorphosis exceeding larval limit
💡 Explanation
When juvenile hormone drops too soon, precocious pupation triggers due to altered genetic signaling, preventing additional larval growth and resulting in smaller adult size. Therefore, premature pupation occurs, rather than adult malformation, molting failure, or delayed metamorphosis that require distinct hormonal or developmental issues.
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