Biology · Class 11 · Chapter 3
Plant Kingdom
12 lessons102 min6 simulations10 practice questions
This chapter takes Whittaker's Kingdom Plantae apart group by group. It opens with how plant classification moved from artificial systems to natural and then phylogenetic ones, helped today by numerical taxonomy, cytotaxonomy and chemotaxonomy. It then describes the algae and their three classes, the bryophytes (liverworts and mosses), the pteridophytes, the gymnosperms and, briefly, the angiosperms, following one thread throughout: which phase of the life cycle is the main plant, and how much each group still needs water to reproduce.
Also called: algae, bryophytes, pteridophytes · gymnosperms and angiosperms
Lessons
12 lessons · 102 min
01How plant classification changedNCERT §3 (introduction)7 min02Algae: body and reproductionNCERT §3.110 min1 sim03Why algae matterNCERT §3.16 min04Green, brown and red algaeNCERT §3.1.1–3.1.3, Table 3.110 min1 sim05Bryophytes: amphibians of the plant kingdomNCERT §3.26 min06Liverworts and mossesNCERT §3.2.1–3.2.29 min1 sim07PteridophytesNCERT §3.310 min1 sim08Homospory, heterospory and the seed habitNCERT §3.38 min1 sim09Gymnosperms: naked seedsNCERT §3.46 min10Gymnosperm cones, pollen and ovulesNCERT §3.49 min1 sim11AngiospermsNCERT §3.55 min12Chapter reviewMust-know facts, traps and formulas16 min
Simulations
6 in this chapter
Three ways two gametes meetIn: Algae: body and reproductionWhich alga can still catch light down here?In: Green, brown and red algaeWalk a moss through its lifeIn: Liverworts and mossesWhich phase is the plant you see?In: PteridophytesFrom free spores to a seedIn: Homospory, heterospory and the seed habitDoes a pine need a second tree?In: Gymnosperm cones, pollen and ovules