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Morphology of Flowering Plants — Syllabus

Punjab Board · Class 11 · Biology

What Morphology of Flowering Plants covers in Punjab Board Class 11 Biology: 4 topics, for the 2026-27 session.

45 questions25 flashcards5 concepts

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A comparison illustration showing three main types of root systems: tap root, fibrous root, and adventitious root systems, with examples.
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4 Topics · Punjab Board Class 11 Biology · 2026-27

Topics in Morphology of Flowering Plants

1

The Root System

  • The root system is the underground part of the plant that develops from the radicle of the embryo.
  • Three main types of root systems: Tap root system, Fibrous root system, and Adventitious roots.
  • Tap root system: Primary root (elongation of radicle) with secondary and tertiary branches — found in dicotyledons (e.g., Mustard).
2

The Stem

  • Stem is the ascending axis of the plant that develops from the plumule of the embryo.
  • Key features of stem: bears nodes and internodes, has terminal and axillary buds, is positively phototropic.
  • Node: The region on stem where leaves are borne.
3

The Leaf

  • Leaf is a lateral, generally flattened structure borne on the stem at the node; develops from shoot apical meristem.
  • Primary function: Photosynthesis; also performs transpiration, gaseous exchange.
  • Three main parts of a typical leaf: Leaf base, Petiole, and Lamina (leaf blade).
4

The Inflorescence

  • A flower is a modified shoot — the shoot apical meristem converts to a floral meristem.
  • Inflorescence: The arrangement of flowers on the floral axis (peduncle).
  • Two major types of inflorescence: Racemose and Cymose.

Key Concepts

Plants develop two main typesThe root tip contains distinct regionsThe stem is the ascending partA typical leaf consists of threeVenation refers to the arrangement

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Frequently Asked Questions

What are the important topics in Morphology of Flowering Plants for Punjab Board Class 11 Biology?
Key topics in Morphology of Flowering Plants include The Root System, The Stem, The Leaf, The Inflorescence. 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 45 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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All Punjab Board Class 11 Biology Syllabus

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