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Plant Kingdom

CBSE · Class 11 · Biology

Quick revision notes for Plant Kingdom — CBSE Class 11 Biology. Key concepts, formulas, and definitions for last-minute revision.

137 questions70 flashcards5 concepts

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Key Topics to Revise

1

1. Classification of Plants

  • Whittaker proposed the Five Kingdom classification in 1969: Monera, Protista, Fungi, Animalia and Plantae.
  • Fungi and members of Monera and Protista with cell walls are excluded from Plantae.
  • Cyanobacteria, also called blue green algae, are not classified as algae any more.
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2. Algae

  • Algae are chlorophyll-bearing, simple, thalloid, autotrophic and largely aquatic organisms.
  • They may also occur on moist stones, soils, wood, in association with fungi in lichens, and even on animals.
  • Algae show great diversity in form: unicellular, colonial and filamentous forms are all present.
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3. Bryophytes

  • Bryophytes include liverworts and mosses.
  • They are called amphibians of the plant kingdom because they live on land but need water for sexual reproduction.
  • They usually occur in damp, humid and shaded places and help in plant succession on bare rocks and soil.
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4. Pteridophytes

  • Pteridophytes include horsetails and ferns.
  • They are the first terrestrial plants to possess vascular tissues, xylem and phloem.
  • They are used for medicinal purposes, as soil-binders and as ornamentals.

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Full Notes

Key Concepts

Algae are chlorophyllGreen algae have chlorophyll aBrown algae are mainly marineRed algae contain phycoerythrin andBryophytes are amphibians of the plant

Frequently Asked Questions

What are the important topics in Plant Kingdom for CBSE Class 11 Biology?
Plant Kingdom covers several key topics that are frequently asked in CBSE Class 11 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Plant Kingdom — CBSE Class 11 Biology?
Understand the core concepts first, then work through the 137 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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