Q. The presence of two types of nuclei, a macronucleus and a micronucleus, is characteristic of protozoans which are grouped under the class

 2334  209 JIPMERJIPMER 2013Animal Kingdom Report Error

Solution:

The presence of two types of nuclei, a macronucleus and a micronucleus, is characteristic of protozoans which are grouped under the Class Ciliata, the Subphylum Ciliophora. They move by cilia throughout life. e.g. Paramecium.