question_answer

Different types of excretory structures and animals are given below. Match them correctly :

Excretory structure	Animal
a. Protonephridia b. Nephridia c. Malpighian tubule d. Green glands	i. Prawn ii Cockroach iii. Earthworm iv. Flatworms

               

A)  d-i, c-ii, b-iii, a-iv             

B)  d-i, c-ii, a-iii, d-iv

C)  d-i, c-ii, a-iii, b-iv             

D)  a-i, c-ii, a-iii, d-iv