Addition of a trace of thyroxine or iodine in water containing tadpoles will (a) keep them in larval stage (b) hasten their metamorphosis (c) slow down their metamorphosis (d) kill the tadpoles.

Addition of a trace of thyroxine or iodine in water
containing tadpoles will
(a) keep them in larval stage
(b) hasten their metamorphosis
(c) slow down their metamorphosis
(d) kill the tadpoles.
by

1 Answer

Answer :

(b) hasten their metamorphosis
by

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