Q. The boundaries of which of the following kingdom is not well defined?

 1998  250 NTA AbhyasNTA Abhyas 2020Biological Classification Report Error

Solution:

Boundaries of kingdom Protista is not well defined as it includes all unicellular eukaryotes, which can be autotrophic in nature like euglena, heterotropic animal-like amoeba and saprophytic fungi like slime moulds/plasmodium.