Specific excretory organs are absent in unicellular organisms belong to the phylum:

1. Cilium or flagellum helps in locomotion of unicellular organisms.  2. They consist of basal body, basal plate and shaft.  3. Basal body is placed in outer part of cytoplasm. It is...

D) No wrong in above sentence

D) platyhelminthes

Special excretory organs are absent in amoeba

(C) Metanephridia

Answer is (D) B and C

(D) Platyhelminthes

(A) Both a & b are true

Answer is (C) 1 and 2

Excretory OrgAnswer:  1. Lungs: Remove CO2 and also water vapour to a considerable extent. Volatile substances present in spices and other food stuff are excreted through lungs  2. Kidneys: Remove nitrogenous waste products...