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Digestion and Absorption

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CBSE Gujarat Board Haryana Board

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Class 10 Class 12
What is ruminant stomach.

It is present in cattle, buffaloes, deer, goats, camels and sheeps. The stomach of ruminant is a compound structure having following four chambers :

1. Rumen -  It is the largest chamber which receives oesophagus

2. Reticulum - The rumen leads into reticulum. The reticulum has network of ridges which give it an appearance of honey comb.

3. Omasum - The omasum is a small chamber whose longitudinal folds in omasum bring mechanical breakdown of the food.

4. Abomasum.- The abomasum is the only part which has gastric glands. 



What are Sanguivorous animals ?

The animals which suck blood e.g. leech, vampire bat, female mosquito etc.

Name the fat soluble vitamins.

Vit A, D, E and  are fat soluble vitamins.

What is the order of arrangement of teeth in each half of the upper and lower jaw ?

The order of arrangement of teeth in each half of the upper and lower jaw is I,C,PM,M.  I (incisors), C (cannine), PM (premolars), M (molars).

What is Diphyodont ?

Diphyodont is the condition of having two set of teeth during the life of an organism. For example : humans are diphyodont as they have two set of teeth namely temporary milk or deciduous teeth which are replaced by permanent or adult teeth. 


What is the function of enamel in digestion?

The enamel helps in the mastication of food.