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Nutrition — Revision Notes

Telangana Board · Class 10 · Biology

Nutrition revision notes for Telangana Board Class 10 Biology: 4 topics in quick points. Part of the Telangana Board Class 10 Biology syllabus.

45 questions48 flashcards2 formulas & key relations5 concepts

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Key Topics to Revise

1

1. Autotrophic Nutrition and Photosynthesis

  • Autotrophs are organisms that use light energy to synthesize chemical compounds from simple inorganic materials.
  • Plants absorb water and mineral salts from the soil and take gases from the air to make complex substances such as carbohydrates, proteins, and lipids.
  • Photosynthesis is the process by which green plants containing chlorophyll build complex organic molecules from simple inorganic substances using sunlight.
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2. Experiments and Scientific Discoveries in Photosynthesis

  • Joseph Priestley lived from 1733 to 1804 and performed his key experiments in 1770.
  • Priestley discovered oxygen in 1774.
  • Lavoisier coined the name oxygen in 1775.
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3. Chloroplast Structure and Light Energy Capture

  • Chloroplasts are present in large numbers, around 40 to 100 per cell, in stomatal guard cells and ground tissue of green plant parts.
  • The chloroplast is a membranous structure consisting of 3 membranes.
  • The inner most layer forms stacked sac-like structures called grana.
4

4. Light Reaction and Dark Reaction

  • Light reaction is the photochemical phase of photosynthesis.
  • It takes place in the grana of chloroplasts.
  • Chlorophyll absorbs photons and becomes activated.

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Full Notes

Key Concepts

Autotrophs make their own food fromPhotosynthesis is the process inChlorophyll is the green pigmentLight reaction occurs in granaVan Helmont showed the role

Frequently Asked Questions

What are the important topics in Nutrition for Telangana Board Class 10 Biology?
Key topics in Nutrition include Autotrophic Nutrition and Photosynthesis, Experiments and Scientific Discoveries in Photosynthesis, Chloroplast Structure and Light Energy Capture, Light Reaction and Dark Reaction. Study these first, then practise questions on each for the Telangana Board Class 10 board exam.
How should I revise Nutrition for the Telangana Board Class 10 board exam?
Learn the core ideas first, then work through the 45 practice questions on 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 Board Class 10 Biology Revision Notes

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