Transcription of UNIT 2 - NCERT
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UNIT 2 - NCERT
UNIT 2. STRUCTURAL ORGANISATION. IN PLANTS AND ANIMALS. Chapter 5 The description of the diverse forms of life on earth was made only by Morphology of observation through naked eyes or later through magnifying lenses Flowering Plants and microscopes. This description is mainly of gross structural features, both external and internal. In addition, observable and perceivable Chapter 6 living phenomena were also recorded as part of this description. Before Anatomy of Flowering experimental biology or more specifically, physiology, was established Plants as a part of biology, naturalists described only biology.
Figure 5.3 The regions of the root-tip Figure 5.4Modification of root for support: Banyan tree 2021-22. 68 BIOLOGY 5.2 THE STEM What are the features that distinguish a stem from a root? The stem is the ascending part of the axis bearing branches, leaves, flowers and fruits. It
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