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Physiology of Digestion

Define the fo...

Question

Define the following terms: Egestion, digestion, assimilation.

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Solution

Answer:
Egestion: The process of eliminating the undigested food from the body through the anus is called egestion.
Digestion: Digestion is the process in which the complex chemical compounds present in the food are broken down into simpler substances that are readily absorbed and utilised by the body.
Assimilation: The utilisation of the digested food or nutrients by the body cells is known as assimilation.

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The correct order of steps occurring in nutrition in animals is :

(a)Ingestion $\to$ Absorption $\to$ Digestion $\to$ Assimilation $\to$ Egestion
(b)Ingestion $\to$ Digestion $\to$ Assimilation $\to$ Absorption $\to$ Egestion

(c)Ingestion $\to$ Digestion $\to$ Absorption $\to$ Assimilation $\to$ Egestion
(d) Ingestion $\to$ Assimilation $\to$ Digestion $\to$ Absorption $\to$ Egestion

Q. The correct order of steps occurring in nutrition in animals is:
(a) Ingestion → Absorption → Digestion → Assimilation → Egestion
(b) Ingestion → Digestion → Assimilation → Absorption → Egestion
(c) Ingestion → Digestion → Absorption → Assimilation → Egestion
(d) Ingestion → Assimilation → Digestion → Absorption → Egestion

Q. Define the following:-

Egestion
Animal nutrition
Ingestion
Assimilation
Absorbtion

Q. Arrange the following five steps of nutrition in correct sequence: (digestion, assimilation, ingestion, egestion, absorption)

Arrange the following processes involved in the nutrition in animals in the correct order (in which they take place):
Assimilation, Egestion, Ingestion,Absorption, Digestion

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Physiology of Digestion

Standard IX Biology

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