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Syllabus

Mineral Nutrition — Syllabus

Telangana Open School (TOSS) · Class 12 · Biology

What Mineral Nutrition covers in Telangana Open School (TOSS) Class 12 Biology: 3 topics, for the 2026-27 session.

46 questions28 flashcards4 concepts

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3 Topics · Telangana Open School (TOSS) Class 12 Biology · 2026-27

Topics in Mineral Nutrition

1

Essential Elements and Their Criteria

  • Plants require 17 essential elements for normal growth and reproduction.
  • Essential elements must satisfy three criteria: they are necessary for growth, irreplaceable, and directly involved in plant nutrition.
  • Elements are classified as macronutrients (needed in large amounts) and micronutrients (needed in small amounts).
2

Macronutrients and Micronutrients

  • Macronutrients: C, H, O, N, P, K, Ca, Mg, S — required in large quantities.
  • Micronutrients: Fe, Mn, B, Zn, Cu, Mo, Cl — required in trace amounts.
  • C, H, O are obtained from air and water; others mainly from soil.
3

Hydroponics and Aeroponics

  • Hydroponics is growing plants in nutrient-rich water without soil.
  • Aeroponics involves growing plants in air with roots misted by nutrient solution.
  • Both methods allow precise control over mineral supply and are used in research and modern farming.

Key Concepts

Central concept: Mineral Nutrition

Essential ElementsMacro nutrientsMicro nutrientsHydroponicsAeroponicsCriteria for Essentiality

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Frequently Asked Questions

What are the important topics in Mineral Nutrition for Telangana Open School (TOSS) Class 12 Biology?
Key topics in Mineral Nutrition include Essential Elements and Their Criteria, Macronutrients and Micronutrients, Hydroponics and Aeroponics. Study these first, then practise questions on each for the Telangana Open School (TOSS) Class 12 board exam.
How should I revise Mineral Nutrition for the Telangana Open School (TOSS) Class 12 board exam?
Learn the core ideas first, then work through the 46 practice questions on Mineral Nutrition. 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 Telangana Open School (TOSS) Class 12 Biology Syllabus

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