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Morphology of Flowering Plants — Revision Notes

ICSE · Class 11 · Biology

Morphology of Flowering Plants revision notes for ICSE Class 11 Biology: 4 topics in quick points. Part of the ICSE Class 11 Biology syllabus.

105 questions45 flashcards5 concepts

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Key Topics to Revise

1

1. Root System

  • The root is a non-green, cylindrical, descending axis that normally grows downwards into the soil.
  • The root develops from the radicle.
  • A persistent primary root forms the tap root system.
2

2. Modifications of Roots

  • Tap roots may be modified for storage of food.
  • Fusiform root is spindle-shaped, swollen in the middle and tapering at both ends; example: radish.
  • Napiform root is swollen in the upper region and tapers suddenly below; examples: turnip and beet root.
3

3. Stem and Stem Modifications

  • The stem is the ascending portion of the plant and the direct prolongation of the plumule.
  • The stem is positively phototropic and negatively geotropic.
  • The stem is differentiated into nodes and internodes.
4

4. Leaf

  • The leaf is a flattened, lateral outgrowth of the stem or branch, developing from a node and having a bud in its axil.
  • Leaves are exogenous in origin and have limited growth.
  • Leaves are the food manufacturing organs of the plant.

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Full Notes

Key Concepts

The root is a nonA typical root has a rootTap roots may become fusiformThe stem is the ascending axisRhizome is a thickened horizontal underground

Frequently Asked Questions

What are the important topics in Morphology of Flowering Plants for ICSE Class 11 Biology?
Key topics in Morphology of Flowering Plants include Root System, Modifications of Roots, Stem and Stem Modifications, Leaf. Study these first, then practise questions on each for Class 11 exams.
How should I revise Morphology of Flowering Plants for Class 11 exams?
Learn the core ideas first, then work through the 105 practice questions on Morphology of Flowering Plants. Revise 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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