Animals devoid of respiratory, excretory and circulatory organs are [H – McqOptions

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1.	Animals devoid of respiratory, excretory and circulatory organs are [Haryana PMT 1993; DPMT 2002]
A.	Tapeworms
B.	Sponges
C.	Threadworms
D.	Liver Fluke
Answer» C. Threadworms

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