Name the hormones which control metamorphosis in insects and frog.
Thyroxine hormone controls metamorphosis in frogs.
Insect hormones control insect metamorphosis.
Which sex chromosome determines the sex of body?
Y Chromosome determines the sex of the individual. The presence of Y chromosome forms a male (XY) while the absence of it indicates a female (XX).
Which hormone controls the blood sugar level?
Insulin.