Chapter 2- Nutrition in Animals - 2

  • Chapter 2- Nutrition in Animals - 2

    • Nutrition in Animals – Questions Page

      Nutrition in Animals

      Q23. How does food pass from the mouth to the stomach?

      Ans. Food is pushed down by movement of the wall of the food pipe.

       

      Q24. What is rumen?

      Ans. Ruminants have a large sac-like structure called rumen.

       

      Q25. How does an amoeba move?

      Ans. Amoeba use pseudopodia (false feet) to move.

       

      Q26. What is the finger like projections present in the inner wall of the small intestine?

      Ans. Villi

       

      Q27. Which organ expelled out the undigested and unabsorbed residues from human body?

      Ans. Anus

       

      Q28. What are permanent teeth?

      Ans. The second set that replaces a temporary milk teeth are the permanent teeth.

       

      Q29. What does animal nutrition include?

      Ans. Animal nutrition includes nutrient requirement, mode of intake of food and its utilisation in the body.

       

      Q30. What do you mean by animal nutrition?

      Ans. Animal nutrition includes nutrient requirement, mode of intake of food and its utilisation in the body.

       

      Q31. What are the different modes of feeding in animals?

      Ans. Scraping, chewing, brewing, capturing and swallowing, sucking etc. are the different mode of feeding in animals.

       

      Q32. What is digestion?

      Ans. The breakdown of complex components of food into simpler substances is called digestion.

       

      Q33. Name the glands that secrete digestive juices.

      Ans. Glands associated such as salivary glands, the liver and the pancreas secrete digestive juices.

       

      Q34 What is diarrhoea?

      Ans. Sometime we may have experienced the need to pass watery stool frequently. This condition is known as diarrhoea.

       

      Q35. What is ORS?

      Ans. Boiled and cooled water with a pinch of salt and sugar dissolved in it is called Oral Rehydration Solution (ORS).

       

      Q36. Where is the bile produced? Which component of the food does it help to digest?

      Ans. Bile is produced in liver. The bile plays an important role in the digestion of fats.

       

      Q37. What are ruminant animals?

      Ans. The grazing animals like cows, buffaloes and deer are known as ruminants.

       

      Q38. Where is the pancreas located in human body?

      Ans. The pancreas is a large cream colored gland located just below the stomach.

       

      Q39. How does an amoeba capture its food?

      Ans. Amoeba captures its food with the help of finger-like projections, called pseudopodia or false feet.

       

      Q40. What do pancreatic juices digest?

      Ans. The pancreatic juice acts on carbohydrates, fats and proteins and changes them into simpler forms.

       

      Q41. What is absorption in terms of digestion?

      Ans. The digested food passes into the blood vessels in the wall of the intestine. This process is called absorption.

       

      Q42. What do you mean by rumination?

      Ans. A process in which partially digested food returns to the mouth in small lumps and the animal chews it is called rumination.

       

      Q43. What is cud?

      Ans. Cud is partly digested food returned from stomach (called rumen) of ruminants to the mouth for further chewing.

       

      Q44. What are milk teeth?

      Ans. The first set of teeth grows during infancy and they fall off at the age between six to eight years. These are termed milk teeth.

       

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