The drawbacks of two kingdom system of classification include:
(a) placing eukaryotic and prokaryotic organisms together in kingdom plantae.
(b) placing unicellular and multicellular organisms together in plantae and animalia.
(c) placing autotrophic and heterotrophic organisms together in kingdom plantae.
(d) creating a separate group for acellular organisms.

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a and d only

d and b only

a, b and d only

a, b and c only

answer is D.

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Detailed Solution

Two kingdom system did not distinguish between the eukaryotes and prokaryotes, unicellular and multicellular organisms and photosynthetic (green algae) and non-photosynthetic (fungi) organisms in kingdom plantae. Animalia has both unicellular and multicellular organisms.

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