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Nutrition

Telangana Board · Class 10 · Biology

Quick revision notes for Nutrition — Telangana Board Class 10 Biology. Key concepts, formulas, and definitions for last-minute revision.

45 questions48 flashcards5 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.
2

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.
3

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?
Nutrition covers several key topics that are frequently asked in Telangana Board Class 10 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Nutrition — Telangana Board Class 10 Biology?
Understand the core concepts first, then work through the 45 practice questions available for this chapter. Revise formulas and 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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