In which of the animals dimorphic nucleus is found?
Amoeba proteus
Trypanosoma gambiense
Plasmodium vivax
Paramecium caudatum
Correct answer: Paramecium caudatum
Solution
Paramecium caudatum is a ciliate protozoan and characteristically contains two types of nuclei, called the macronucleus and micronucleus. This nuclear duality is referred to as a dimorphic nucleus.