Life Processes-1 Nutrition, Transportation and Excretion — Chapter Summary
NIOS · Class 10 · Science & Tech
Summary of Life Processes-1 Nutrition, Transportation and Excretion for NIOS Class 10 Science & Tech. Part of the NIOS Class 10 Science & Tech syllabus.
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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
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Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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