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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?

Ingestion of complex organic matter (C) Signup and view all the answers

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

Decomposing dead organic matter (C) Signup and view all the answers

Which of the following is a characteristic of parasitic nutrition?

Obtaining nutrients from a living host (C) 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.