Question

One of the following organism does not depend on simple diffusion of gases for breathing and respiration. This organism is :
(a) Amoeba
(b) Prawn
(c) Planaria
(d) Bryophyllum

Answer 1

option b
prawn

Respiratory System of Prawn: Prawn respires in the aquatic medium and it carries three sets of organs for the purpose—lining of the branchiostegite, epipodites and gills. All these organs are enclosed within a special chamber on each side of the cephalothorax, which is called gill-chamber.