Plant Kingdom — Chapter Summary
ICSE · Class 11 · Biology
Summary of Plant Kingdom for ICSE Class 11 Biology. Key concepts: Plant kingdom comprises, Algae are chlorophyll and Red algae contain r.
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Overview
Plant Kingdom includes multicellular, autotrophic organisms that have successfully invaded terrestrial environments. Plant life probably arose from the algal division Chlorophyta. Algae, bryophytes, pteridophytes and gymnosperms show a clear progression in body organisation, reproduction, and adapta
Key Concepts
Plant kingdom comprises multicellular
Plant kingdom comprises multicellular, autotrophic organisms. Land plants probably evolved from green algae, showing a gradual transition from aquatic
Algae are chlorophyll
Algae are chlorophyll-bearing, thalloid plants of simple organisation. They lack true roots, stems, leaves or leaf-like organs. Their body may be unic
Red algae contain r
Red algae contain r-phycoerythrin, which masks chlorophyll a. They are mostly marine, can live at greater depths, and have no flagellated cells at any
Brown algae contain fucoxanthin
Brown algae contain fucoxanthin, which gives them their brown colour. They are mostly marine and often attached to rocks. Their body may show holdfast
Green algae contain chlorophyll a
Green algae contain chlorophyll a and b, giving them a bright green colour. They are similar to higher plants in having a nucleus, chloroplasts, starc
Learning Objectives
- Understand the main features of algae, bryophytes, pteridophytes and gymnosperms
- Identify the three major divisions of algae and compare their pigments, habitat and reproduction
- Recognize the structural and reproductive features of liverworts and mosses
- Explain homospory, heterospory and the basic classification of pteridophytes
- Describe the general characters of gymnosperms and their life cycle features
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Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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