Class 10 Science: Life Processes and Respiration
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Questions and Answers

What is the main function of respiration in living organisms?

  • To facilitate communication between cells
  • To produce food for the body
  • To release energy from food (correct)
  • To transport water within the body
  • Which of the following is NOT a basic life process?

  • Nutrition
  • Respiration
  • Transportation
  • Excretion (correct)
  • What is essential for the exchange of gases in respiration?

  • Hydrogen and oxygen
  • Oxygen and nitrogen
  • Oxygen and carbon dioxide (correct)
  • Water and carbon dioxide
  • Which type of animals lack a sophisticated respiratory system like lungs and alveoli?

    <p>Insects</p> Signup and view all the answers

    In which organisms does respiration take place by simple exchange mechanisms?

    <p>Plants</p> Signup and view all the answers

    What is the main process involved in respiration?

    <p>Exchange of gases</p> Signup and view all the answers

    Which mechanism is used for respiration in some organisms?

    <p>Diffusion</p> Signup and view all the answers

    What is the primary function of respiration?

    <p>Production of energy</p> Signup and view all the answers

    Which organisms rely on simple exchange mechanisms for respiration?

    <p>Insects</p> Signup and view all the answers

    What is the significance of simple exchange mechanisms in respiration?

    <p>They enhance gas exchange efficiency</p> Signup and view all the answers

    Which process involves the exchange of gases between the respiratory surface and the external environment?

    <p>Diffusion</p> Signup and view all the answers

    What role does diffusion play in respiration?

    <p>It facilitates gas exchange</p> Signup and view all the answers

    1.17

    <p>A simple exchange mechanism that enhances gas exchange efficiency.</p> Signup and view all the answers

    Which statement describes the primary function of respiration?

    <p>The main function is to produce energy.</p> Signup and view all the answers

    What is the main process involved in respiration?

    <p>Gas exchange</p> Signup and view all the answers

    What is the primary function of respiration?

    <p>Production of energy.</p> Signup and view all the answers

    Study Notes

    Life processes are essential for the maintenance and survival of living organisms. In Class 10 Science, the topic of life processes is discussed in-

    The basic life processes include:

    1. Nutrition: The process of taking food by an organism and its utilization by the body for energy and other metaboli
    2. Respiration: The process by which food is burnt in the cells of the body with the help of oxygen, releasing energy
    3. Transportation: The process by which food, oxygen, water, and other sub-

    Respiration is a vital life process that involves the exchange of gases, mainly oxygen and carbon dioxide, in and out of the body. It is essential for the survival of living organisms, as it helps in the maintenance of homeostasis and proper functioning of the body. There are two main types of respiration:

    1. Respiration in Lower Animals: Lower animals lack a sophisticated respiratory system like lungs and alveoli. 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    Description

    This quiz covers the topic of life processes, focusing on nutrition, respiration, and transportation. It also discusses the vital process of respiration, including the exchange of gases in living organisms and the types of respiration in lower animals.

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