Question

Choose the correct order of terms that describes the process of nutrition in ruminants.

• A. Swallowing $\to$ partial digestion $\to$ chewing of cud $\to$ complete digestion
• B. Chewing of cud $\to$ swallowing $\to$ partial digestion $\to$ complete digestion
• C. Chewing of cud $\to$ swallowing $\to$ mixing with digestive juices $\to$ digestion
• D. Swallowing $\to$ chewing and mixing $\to$ partial digestion $\to$ complete digestion
  

Answer 1

The correct option is A Swallowing $\to$ partial digestion $\to$ chewing of cud $\to$ complete digestion

Grass eating animals quickly swallow the grass and store it in a part of the stomach called rumen. Here the food gets partially digested and is called cud. But later the cud returns to the mouth in small lumps and the animal chews it. This process is called rumination. After this, the food is swallowed again. Digestive juices mix with this food and complete digestion takes place.