Question

liver
Answer the following questions in
1. Define the following terms:
(a) Holozoic nutrition
(b) Alimentary canal
2. Give the meaning of the term​

Answer 1

Heya mate!

a) Holozoic Nutrition : It is a Heterotrophic nutrition. In this, the organism takes solid food.

For example : Amoeba.

When Amoeba comes in contact with food particles, thee will be a formation of pseupodia.

When food goes into the pseupodia, there there will be a formation of food vacuole.

The the process of absorption, digestion, assimilation and egestion takes place.

Coming Into the Question ::

b) Alimentary canal is the system or the passage starting from mouth ie, ingestion to digestion, then absorption, assimilation and egestion.

Means the system which control the whole nutrition process of human being is called Alimentary canal.

Hope it Helped!!

Answer 2

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1. Definition of -

$\underline{\underline{\bf (a) \:Holozoic \:\:nutrition:}}$

In this mode of nutrition the complex food molecules are taken in and then broken down into simpler and soluble molecules in this type of nutrition.

Herbivores (plant eaters), carnivores (meat eaters), omnivores (both plants and meat eaters).

Examples - Amoeba, cow, goat, dog, cat, human being.

 

 

$\underline{\underline{\bf (b) Alimentary\:\: canal:}}$

It is a long tube, which is about 7-8 m, where the entire process of digestion takes place. The complete process of ingestion, digestion, absorption, elimination and egestion of food materials is done with the alimentary canal itself.

Major portion of alimentary canal -

(i) Mouth -

• Tongue
• Teeth

(ii) Pharynx

(iii) Oesophagus

(iv) Stomach

(v) Small Intestine

(vi) Large Intestine

(vii) Rectum

(viii) Anus

   

2 Meaning of Term -

• Limitation, restriction or regulation.

• Any of the binding conditions or promises in a legal contract.

• That which limits the extent of anything; limit; extremity; bound; boundary.