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Biological Classification — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYBiological Classification3 Marks
Question
The two kingdom classification system placed bacteria, algae, blue-green algae, fungi, mosses, ferns, gymnosperm, and angiosperms, together under one single kingdoms-Plantae. According to you, what could have been the basis of such classification.
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Answer

The two kingdom classification system was given by Linnaeus in 1758. Lesser number of organisms were known then in comparison to what the world knows today. He classified all the known living beings into two categories-Animalia and Plantae on the basis of the presence or absence of cell wall in their cells. As bacteria, blue-green algae, fungi, algae, mosses, ferns, gymnosperms and angiosperms have their cells surrounded by cell walls, unlike animals, therefore, they were placed together under kingdom-Plantae.

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