The drawbacks or limitations of two kingdom classification is/are
A. Plantae having both photosynthetic and non-photosynthetic organisms.
B. Plantae and Animalia having both unicellular and multicellular organisms together.
C. Plantae having both prokaryotes and eukaryotes together.
Two kingdom classification can not demarcate prokaryotes and eukaryotes, unicellular and multicellular organisms and photosynthetic and non-photosynthetic organisms which are placed together in plant kingdom. Animal kingdom has unicellular and multicellular organisms together.