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Life Processes-1 Nutrition, Transportation and Excretion — Revision Notes

NIOS · Class 10 · Science & Tech

Life Processes-1 Nutrition, Transportation and Excretion revision notes for NIOS Class 10 Science & Tech: 4 topics in quick points.

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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Key Topics to Revise

1

1. Nutrition and Photosynthesis

  • Food provides energy for life processes, growth and repair of body tissues, and production of enzymes and hormones.
  • Nutrition is a process by which living beings obtain food, change food into simple absorbable forms and use it to make substances needed by the body.
  • There are two main types of nutrition: autotrophic nutrition and heterotrophic nutrition.
2

2. Human Nutrition and Digestion

  • The food we eat must be broken into simpler forms before body cells can use it.
  • The process of taking in food is called ingestion.
  • Digestion starts in the mouth and ends in the small intestine.
3

3. Transportation in Plants and Humans

  • Transportation helps distribute food and oxygen to all parts of the body and remove wastes.
  • In plants, xylem transports water and minerals from roots to leaves.
  • Xylem tracheids and vessels are non-living conducting cells.
4

4. Respiration and Breathing

  • Breathing is the physical process of respiratory gaseous exchange between the organism and the environment by diffusion.
  • Respiration is different from breathing.
  • Respiration involves oxidation of food and release of energy in cells.

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Full Notes

Key Concepts

Nutrition is the process byAutotrophic nutrition means making own foodPhotosynthesis is a biochemical process byCarbohydrates and fats are energyA balanced diet contains adequate amounts

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 Nutrition and Photosynthesis, Human Nutrition and Digestion, Transportation in Plants and Humans, Respiration and Breathing. Study these first, then practise questions on each for the NIOS Class 10 board exam.
How should I revise Life Processes-1 Nutrition, Transportation and Excretion for the NIOS Class 10 board exam?
Learn the core ideas first, then work through the 42 practice questions on Life Processes-1 Nutrition, Transportation and Excretion. 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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