Nutrition

Q : Define

1. Nutrition?

  Ans:-The processes of intake of nutrients & its utilization by an organism are called Nutrition. It provides raw material needed to sustain the life.

2. Mode of Nutrition & write its type?

Ans: The way by which an organism obtains its food is called Mode of Nutrition.

It divides in to two types-

1. Autotrophic Nutrition.

2. Heterotrophic Nutrition.

3. Write short note on Autotrophic Nutrition?

 Ans: - It is the mode of nutrition in which an organism synthesize their own   organic food is known as   Autotrophic nutrition 

They use simple inorganic substance   present in the surrounding for this process such organism are called autotrophs.

 Example: - Most of the plants are autographs.

4. Write short note on Heterotrophic Nutrition?

Ans: - It is the mode of nutrition in which organisms that depends on other organism  for their food are known as Heterotrophic Nutrition.

      Different organism use different strategies to obtain food depending upon their body design, organization, functioning & also availability of food material.

Ex: All animal &fungi are heterotrophs. 

5. What are the basic steps of nutrition?

Ans: - Ingestion: - The act of taking food inside the body by an organism is called Ingestion.

Digestion: - The process of breaking down of complex organic food into simpler soluble

Substance is called as Digestion.

 Absorption: - The process in which soluble digested food is absorbed in to the blood is called Absorption

Assimilation: - The process in which absorbed food is transported into tissue &cell of body where they are used to produce energy & growth is called as Assimilation.

Ejection: - The process in which undigested &unabsorbed residues of food are thrown out of the body is called as Ejection. 

Nutrition, Autotrophic Nutrition, Heterotrophic Nutrition, Ingestion, Digestion, Absorption, Assimilation, Ejection,