Life Processes Class 10 Quiz

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Questions and Answers

What is the primary function of photosynthesis in plants?

  • Producing oxygen (correct)
  • Releasing water
  • Breaking down glucose
  • Releasing carbon dioxide

Which process involves the breakdown of complex organic substances into simpler ones?

  • Respiration
  • Excretion
  • Photosynthesis
  • Digestion (correct)

Which of the following is responsible for the removal of waste products from the body?

  • Respiration
  • Digestion
  • Excretion (correct)
  • Circulation

What is the primary function of respiration in living organisms?

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Flashcards

Photosynthesis function

The process by which green plants make their food using sunlight, water, and carbon dioxide, producing oxygen as a byproduct.

Digestion process

The breakdown of complex food into simpler substances that the body can absorb.

Waste Removal

The process of eliminating metabolic wastes from the body.

Respiration function

The process by which living organisms convert energy from food into a usable form.

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Study Notes

Photosynthesis and Respiration

  • The primary function of photosynthesis in plants is to produce glucose and oxygen from carbon dioxide and water, releasing energy that is stored in the bonds of glucose.

Breakdown of Organic Substances

  • The process that involves the breakdown of complex organic substances into simpler ones is catabolism.

Excretory System

  • The excretory system is responsible for the removal of waste products from the body.

Respiration

  • The primary function of respiration in living organisms is to generate energy by converting glucose into ATP (adenosine triphosphate), releasing carbon dioxide and water as byproducts.

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