Animal Kingdom Question 12

12. Metamorphosis of insects is regulated through hormone

(a) pheromone

(b) thyroxine

(c) ecdysone

(d) all the above

Show Answer

Answer : c

Hints & Solutions

(c) Metamorphosis of insects is regulated through ecdysone hormone. Ecdysone is a steroidal prohormone of the major insect molting hormone 20-hydroxyecdysone, which is secreted from the prothoracic glands. Insect molting hormones (ecdysone and its homologues) are generally called ecdysteroids.