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Chapter 22 of 32
Chapter Summary

Life Processes-1 Nutrition, Transportation and Excretion

NIOS · Class 10 · Science & Tech

Summary of Life Processes-1 Nutrition, Transportation and Excretion for NIOS Class 10 Science & Tech. Key concepts, important points, and chapter overview.

42 questions47 flashcards5 concepts

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An infographic illustrating the four main life processes: Nutrition, Respiration, Transportation, and Excretion, with simple icons and brief descriptions for each.
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Overview

Life processes are the basic activities that keep living organisms alive. Nutrition provides food and energy, transportation distributes useful materials and removes wastes, and excretion removes harmful wastes from the body. In plants and animals, these processes work together to maintain growth, r

Key Concepts

Nutrition is the process by

Nutrition is the process by which living beings obtain food, change food into simple absorbable forms, and use it to make substances needed by the bod

Autotrophic nutrition means making own food

Autotrophic nutrition means making own food, as in green plants, algae, and some bacteria. Heterotrophic nutrition means depending on other organisms

Photosynthesis is a biochemical process by

Photosynthesis is a biochemical process by which green plants manufacture their own food using carbon dioxide and water in the presence of sunlight an

Carbohydrates and fats are energy

Carbohydrates and fats are energy-yielding nutrients, proteins are body-building nutrients, and vitamins and minerals are growth-regulating nutrients.

A balanced diet contains adequate amounts

A balanced diet contains adequate amounts of carbohydrates, fats, proteins, vitamins, minerals, and water in proper proportion. Raw vegetables and fru

Learning Objectives

  • Understand the need for food and energy in living organisms
  • Explain autotrophic and heterotrophic nutrition
  • Describe photosynthesis and its importance
  • Identify major nutrients and a balanced diet
  • Explain digestion in human beings

Frequently Asked Questions

What are the important topics in Life Processes-1 Nutrition, Transportation and Excretion for NIOS Class 10 Science & Tech?
Key topics in Life Processes-1 Nutrition, Transportation and Excretion include Life Processes Overview, Life Processes Overview, Life Processes Overview. These are the concepts NIOS Class 10 examiners draw on most — study them first, then practise related questions.
How to score full marks in Life Processes-1 Nutrition, Transportation and Excretion — NIOS Class 10 Science & Tech?
Understand the core concepts first, then work through the 42 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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