131 – Biology XI & XII – 2026-27

2026-27 BIOLOGY(131) CLASS XI Time: 03 Hours Theory One Paper Marks: 70 Unit Title Marks I Diversity of Living Organisms 15 II Structural Organization in Plants and Animals 10 III Cell: Structure and Function 15 IV Plant Physiology 12 V Human Physiology 18 Total 70 Unit-I Diversity of Living Organisms Chapter-1: The Living World Biodiversity; Need for classification; three domains of life; taxonomy and systematics; concept of species and taxonomical hierarchy; binomial nomenclature Chapter-2: Biological Classification Five kingdom classification; Salient features and classification of Monera, Protista and Fungi into major groups; Lichens,...