Nutrition in Living Organisms
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Questions and Answers

Which of the following is an example of autotrophic nutrition?

  • Photosynthesis in plants (correct)
  • Absorption of nutrients by parasitic plants
  • Decomposition of organic matter by fungi
  • Ingestion of food by animals
  • What is the primary function of nutrition in living organisms?

  • Maintenance of cell structure
  • Regulation of body temperature
  • Energy production and growth (correct)
  • Synthesis of genetic material
  • What is the role of vitamins in nutrition?

  • Regulation of various body functions (correct)
  • Primary source of energy
  • Structural component of cell membranes
  • Catalysts for chemical reactions
  • None of the above
  • Which of the following is a characteristic of holozoic nutrition?

    <p>Ingestion of complex organic matter</p> Signup and view all the answers

    What is the primary function of saprophytic nutrition in an ecosystem?

    <p>Decomposing dead organic matter</p> Signup and view all the answers

    Which of the following is a characteristic of parasitic nutrition?

    <p>Obtaining nutrients from a living host</p> Signup and view all the answers

    Study Notes

    Nutrition in Living Organisms

    • Autotrophic nutrition is exemplified by plants, which synthesize their own food using sunlight, water, and carbon dioxide.

    Importance of Nutrition

    • The primary function of nutrition in living organisms is to provide energy, build and repair tissues, and regulate various bodily functions.

    Role of Vitamins

    • Vitamins are essential nutrients that facilitate various metabolic processes, including energy production, immune function, and cell growth.

    Holozoic Nutrition

    • A characteristic of holozoic nutrition is the ingestion of solid food particles, which is seen in animals that consume other organisms or plants.

    Saprophytic Nutrition

    • The primary function of saprophytic nutrition in an ecosystem is to decompose organic matter, releasing nutrients back into the environment.

    Parasitic Nutrition

    • A characteristic of parasitic nutrition is that one organism, the parasite, obtains its nutrients by feeding on another organism, the host, often causing harm.

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    Description

    Test your knowledge of the primary function of nutrition in living organisms, examples of autotrophic nutrition, and the role of vitamins in nutrition.

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