Describe the internal structure of a dor | Class 11 Biology Chapter Anatomy of Flowering Plants, Anatomy of Flowering Plants NCERT Solutions

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Academic session 2026-27, Chapter 6 in the current curriculum.

Welcome to the NCERT Solutions for Class 11 Biology - Chapter Anatomy of Flowering Plants. This page offers a step-by-step solution to the specific question from Exercise 1, Question 12: Describe the internal structure of a dorsiventral leaf with the help of labelled diagrams.. With detailed answers and explanations for each chapter, students can strengthen their understanding and prepare confidently for exams. Ideal for CBSE and other board students, this resource will simplify your study experience.

Question 12: Describe the internal structure of a dorsiventral leaf with the help of labelled diagrams.
Answer:

Dorsiventral leaves are found in dicots. The vertical section of a dorsiventral leaf contains three distinct parts.

[1] Epidermis:

Epidermis is present on both the upper surface (adaxial epidermis) and the lower surface (abaxial epidermis). The epidermis on the outside is covered with a thick cuticle. Abaxial epidermis bears more stomata than the adaxial epidermis.

[2] Mesophyll:

Mesophyll is a tissue of the leaf present between the adaxial and abaxial epidermises. It is differentiated into the palisade parenchyma (composed of tall, compactly-placed cells) and the spongy parenchyma (comprising oval or round, loosely-arranged cells with inter cellular spaces). Mesophyll contains the chloroplasts which perform the function of photosynthesis.

[3] Vascular system:

The vascular bundles present in leaves are conjoint and closed. They are surrounded by thick layers of bundle-sheath cells.

structure of a dorsiventral leaf

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  • Read the question carefully and focus on the core concept being asked.
  • Reference examples and data from the chapter when answering questions about Anatomy of Flowering Plants.
  • Review previous year question papers to get an idea of how such questions may be framed in exams.
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Comments

  • Navya Amarnath
  • Sep 23, 2019

This answer is so easy to learn , thank u so much

  • Adrita
  • Sep 15, 2019

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  • Raman
  • Aug 28, 2019

Nice

  • Ingrid Nelson
  • Sep 22, 2017

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  • ISHITA
  • Sep 08, 2017

NOT VERY INFORMATIVE

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Welcome to the NCERT Solutions for Class 11 Biology - Chapter . This page offers a step-by-step solution to the specific question from Excercise 1 , Question 12: Describe the internal structure of a dorsiventral leaf with the help of labelled diagrams.....

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