Q. In cockroach, larval and nymphal characters are maintained by

A) Ecdysone
B) Salivary glands
C) Parotid glands
D) Juvenile hormone
Explanation

Juvenile hormones in insects refers to a group of hormones, which ensures the growth of larvae, while preventing metamorphosis. Because of their rigid exoskeleton, insects grow in their development by successively sheding their exoskeleton. These hormones are secreted by a pair of endocrine glands behind the brain, called corpora allata

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.