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Life Processes — Syllabus

Gujarat Board · Class 10 · Science

What Life Processes covers in Gujarat Board Class 10 Science: 4 topics, for the 2026-27 session. Part of the Gujarat Board Class 10 Science syllabus.

45 questions28 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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4 Topics · Gujarat Board Class 10 Science · 2026-27

Topics in Life Processes

1

What Are Life Processes?

  • Life processes are maintenance functions that must continue even when an organism is resting or sleeping.
  • Molecular movement is the most basic indicator of life – even viruses lack independent molecular movement, which is why their living status is debated.
  • Living structures are highly organised and tend to break down due to environmental effects, so energy is constantly needed to maintain and repair them.
2

Nutrition

  • Nutrition is the process by which organisms obtain and use food for energy, growth, and repair.
  • Two main types: Autotrophic Nutrition (self-feeding) and Heterotrophic Nutrition (dependent on others).
  • Autotrophs include green plants and some bacteria; they make their own food using sunlight and simple inorganic substances.
3

Respiration

  • Respiration is the process of breaking down food (glucose) to release energy for cellular activities.
  • First step (common to all organisms): Glucose (6-carbon) is broken down into Pyruvate (3-carbon) in the cytoplasm.
  • Aerobic respiration: Pyruvate is broken down in the mitochondria using oxygen → CO₂ + H₂O + Energy (ATP). Releases MORE energy.
4

Transportation

  • Transportation in humans involves the circulatory system: Heart, Blood, and Blood Vessels (Arteries, Veins, Capillaries).
  • Blood consists of: Plasma (liquid medium – transports food, CO₂, nitrogenous wastes), RBCs (carry O₂ via haemoglobin), WBCs (immunity), Platelets (clotting).
  • The human heart has FOUR chambers: Right Atrium, Right Ventricle, Left Atrium, Left Ventricle.

Key Concepts

Life processes are the maintenance functionsAutotrophic nutrition is the process byHeterotrophic nutrition occurs in organisms (animalsThe human digestive system isAerobic respiration is the breakdown

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Frequently Asked Questions

What are the important topics in Life Processes for Gujarat Board Class 10 Science?
Key topics in Life Processes include What Are Life Processes?, Nutrition, Respiration, Transportation. Study these first, then practise questions on each for the Gujarat Board Class 10 board exam.
How should I revise Life Processes for the Gujarat Board Class 10 board exam?
Learn the core ideas first, then work through the 45 practice questions on Life Processes. 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 Gujarat Board Class 10 Science Syllabus

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