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Chapter Summary

Plant Tissue Culture — Chapter Summary

CBSE · Class 12 · Biotechnology

Summary of Plant Tissue Culture for CBSE Class 12 Biotechnology. Part of the CBSE Class 12 Biotechnology syllabus.

83 questions72 flashcards5 concepts

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A diagram illustrating the core concept of plant tissue culture: taking a small plant part (explant) and culturing it on synthetic media under aseptic conditions to regenerate a whole plant, highlight
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Overview

Plant tissue culture is the cultivation of undifferentiated plant cells, tissues, or organs on synthetic media under aseptic conditions and controlled physical conditions. Its foundation is totipotency, the ability of a vegetative cell to divide, differentiate into specialised cells, or regenerate i

Key Concepts

Plant tissue culture is the growth

Plant tissue culture is the growth of plant cells, tissues, or organs on artificial nutrient media under sterile and controlled conditions. It depends

Totipotency is the ability of

Totipotency is the ability of a vegetative cell to divide and differentiate into any type of specialised cell or to regenerate into a whole plant.

Key milestones include Haberlandt’s early principles

Key milestones include Haberlandt’s early principles, discovery of IAA, White’s synthetic medium, Van Overbeek’s coconut water, discovery of kinetin,

An explant is any plant part

An explant is any plant part used to start culture, such as a leaf, meristem, cotyledon, hypocotyl, or embryo. Surface sterilisation is done to remove

Culture media contain inorganic nutrients

Culture media contain inorganic nutrients, organic supplements, a carbon source, plant growth hormones, gelling agents, and antibiotics. Macronutrient

Learning Objectives

  • Understand the meaning of plant tissue culture and totipotency
  • Recall the major historical milestones in the development of plant tissue culture
  • Identify the main components of nutrient media and their roles
  • Differentiate among organ culture, callus culture, cell suspension culture, and protoplast culture
  • Explain the steps involved in plant tissue culture from explant selection to plantlet transfer

Frequently Asked Questions

What are the important topics in Plant Tissue Culture for CBSE Class 12 Biotechnology?
Key topics in Plant Tissue Culture include Basic idea and historical development, Explants, sterilisation, and basic steps of culture, Nutrient media and its components, Culture types and morphogenesis. Study these first, then practise questions on each for the CBSE Class 12 board exam.
How should I revise Plant Tissue Culture for the CBSE Class 12 board exam?
Learn the core ideas first, then work through the 83 practice questions on Plant Tissue Culture. 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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