What is nutrition? What type of nutrition is seen in green plants and the majority of
animals?
Answers
Information regarding nutrition :
The required amount of energy which we can get by consuming certain foods like fruits, vegetables, cereals, etc, is called as nutrition.
In the plants that are green, we can find autotrophic type of nutrition in them. In this type, the plants have the capacity to prepare their own required food.
They make food by a process which is termed as photosynthesis. A pigment called chlorophyll is found in the green plants which helps them to perform this process.
In animals, the type of nutrition is Heterotrophic. It is because the animals are dependent on the plants for obtaining food.
Nutrition
- The process through which the organism takes food and uses it for the functioning of the body it is called nutrition.
- The body obtains the nutrients from the food through five processes namely ingestion, digestion, absorption, assimilation and egestion.
Mode of nutrition in Green plants and animals
Nutrition in green plants:
- The green plants exhibit an autotrophic mode of nutrition.
- Due to the presence of green color pigment called chlorophyll in the leaves of the plant, they synthesize their food with the help of a process called photosynthesis.
Nutrition in animals:
- The majority of the animals exhibit heterotrophic mode of nutrition.
- They are directly dependent on the plants for their nutrition as they cannot prepare their food.
Learn more about nutrition
(i) (a) Nutrition is important for all living organisms. Justify giving three reasons.
(b) If the leaves of a herbaceous plant are removed, will the plant still do photosynthesis? Yes/No. Why?
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What are the differences between autotrophic nutrition and heterotrophic nutrition?
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