Question : Two tadpole(A and B) of the same age are growing in similar medium.The thyroid gland of A is removed surgically

Question : Two tadpole(A and B) of the same age are growing in similar

1.	Question : Two tadpole(A and B) of the same age are growing in similar medium.The thyroid gland of A is removed surgically
Answer» Solution :(a)In tadpole A, when THYROID is REMOVED metamorphosis fails to occur ,whereas in tadpole B,NORMAL metamorphosis takes place. (b)When THYROXIN is supplemented to the MEDIUM in which tadpole A is kept,metamorphosis begins to occur.