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The mode of nutrition in which organisms make food themselves from simple substances is called__________. 

  • a)
    Heterotrophic nutrition

  • b)
    Saprotrophic nutrition

  • c)
    Autotrophic nutrition

  • d)
    Parasitic nutrition

Correct answer is option 'C'. Can you explain this answer?
Verified Answer
The mode of nutrition in which organisms make food themselves from sim...
The primary mode of nutrition for plants is autotrophic nutrition, where they synthesize their own food using sunlight, carbon dioxide, and water. This process, known as photosynthesis, occurs mainly in the leaves of plants due to the presence of chlorophyll. An interesting fact is that photosynthesis not only produces food but also releases oxygen, which is essential for the survival of most living organisms on Earth.
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The mode of nutrition in which organisms make food themselves from sim...
Autotrophic Nutrition in Plants
Plants primarily obtain their nutrition through autotrophic nutrition, which means they are able to produce their own food using sunlight, water, and carbon dioxide. This process is known as photosynthesis and takes place in the chloroplasts of plant cells.

Process of Photosynthesis
- During photosynthesis, plants use sunlight to convert carbon dioxide and water into glucose (a form of sugar) and oxygen.
- The chlorophyll pigment in the chloroplasts absorbs sunlight and initiates the process of photosynthesis.
- Carbon dioxide enters the plant through tiny pores called stomata on the leaves, while water is absorbed from the soil through the roots.
- Oxygen, which is a byproduct of photosynthesis, is released into the atmosphere through the same stomata.

Importance of Autotrophic Nutrition
- Autotrophic nutrition is crucial for the survival of plants as it provides them with the energy they need to carry out essential life processes.
- Plants serve as the primary producers in most ecosystems, forming the base of the food chain by providing food for animals and other organisms.

Adaptations for Autotrophic Nutrition
- Plants have specialized structures like leaves with a large surface area to maximize sunlight absorption.
- The presence of chloroplasts containing chlorophyll helps in capturing sunlight for photosynthesis.
- Roots facilitate the absorption of water and mineral nutrients from the soil to support the process of photosynthesis.
In conclusion, autotrophic nutrition is the primary mode of nutrition for plants, enabling them to synthesize their own food and sustain life processes through photosynthesis. This process plays a vital role in the ecosystem by providing energy for various organisms and maintaining the balance of nature.
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Community Answer
The mode of nutrition in which organisms make food themselves from sim...
The word "auto" means by itself , And even the plants make their own food  not depending other organisms , So most of the plants are called as "autotrophs"
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The mode of nutrition in which organisms make food themselves from simple substances is called__________.a)Heterotrophic nutritionb)Saprotrophic nutritionc)Autotrophic nutritiond)Parasitic nutritionCorrect answer is option 'C'. Can you explain this answer?
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