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  4. Assertion: Two kingdom classification was insufficient. Reason: Majority of organisms did not fall into either of the categories in two kingdom classification.

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Q. Assertion: Two kingdom classification was insufficient.
Reason : Majority of organisms did not fall into either of the categories in two kingdom classification.

Biological Classification

Solution:

Two kingdom classification (founded by Linnaeus) worked well for a long time. But this system did not distinguish between the eukaryotes and prokaryotes, unicellular and multicellular organisms, photosyntheticand non-photosynthetic organisms. Although, classification of organisms (into plants and animals) was easily done and was easy to understand, but a large number of organisms did not fall into either category. Hence, the two kingdom classification used for a long time was found inadequate.