Question
Biology Question on biological classification
Entamoeba histolytica differs from Amoeba proteus in not having
A
Pseudopodia
B
Ectoplasm
C
Nucleus
D
Contractile vacuole
Answer
Contractile vacuole
Explanation
Solution
Amoeba is a freshwater organism which feeds on alga and plankton, whereas Entamoeba is an internal parasite which lives inside animals and human. The latter is also the causative agent for amoebic dysentery in humans. Entamoeba lacks both mitochondria and contractile vacuoles, which are distinguishing features from Amoeba.