Discussion
Arrange the following statements about the process of digestion in cows in the correct sequence :
(i) Chewing of cud
(ii) Partial digestion of food
(iii) Storage of food in stomach
(iv) Quick swallowing of food
Choose the correct option :
Answer: B
The correct sequence is (iv), (iii), (ii), (i).
- The cow swallows grass quickly, with little chewing (iv).
- The food is stored in the first part of the stomach, the rumen (iii).
- There it is partially digested by microbes, forming cud (ii).
- Later the cud returns to the mouth and the cow chews it at leisure (i), before it passes on for full digestion.
Cows are ruminants, and this is rumination. Any order that puts chewing the cud before storage and partial digestion is wrong, because the cud is made in the rumen.
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