Q23. How does food pass from the mouth to the stomach?
is pushed down by movement of the wall of the food pipe.
Q24. What is rumen?
Ruminants have a large sac-like structure called rumen.
Q25. How does an amoeba move?
use pseudopodia (false feet) to move.
Q26. What is the finger like projections present in the inner
wall of the small intestine?
Q27. Which organ expelled out the undigested and unabsorbed
residues from human body?
Q28. What are permanent teeth?
second set that replaces a temporary milk teeth are the permanent teeth.
Q29. What does animal nutrition include?
Animal nutrition includes nutrient requirement, mode of intake of food and its
utilisation in the body.
Q30. What do you mean by animal nutrition?
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?
chewing, brewing, capturing and swallowing, sucking etc. are the different mode
of feeding in animals.
Q32. What is digestion?
The breakdown of complex components of food into simpler substances is called digestion.
Q33. Name the glands that secrete digestive juices.
Glands associated such as salivary glands, the liver and the pancreas secrete
Q34 What is diarrhoea?
we may have experienced the need to pass watery stool frequently. This
condition is known as diarrhoea.
Q35. What is ORS?
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?
Bile is produced in liver. The bile plays an important role in the digestion of
Q37. What are ruminant animals?
The grazing animals like cows, buffaloes and deer are known as ruminants.
Q38. Where is the pancreas located in human body?
pancreas is a large cream colored gland located just below the stomach.
Q39. How does an amoeba capture its food?
captures its food with the help of finger-like projections,
called pseudopodia or false feet.
Q40. What do pancreatic juices digest?
The pancreatic juice acts on carbohydrates, fats and proteins and changes them
into simpler forms.
Q41. What is absorption in terms of digestion?
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?
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?
Cud is partly digested food returned from stomach (called rumen) of ruminants
to the mouth for further chewing.
Q44. What are milk teeth?
first set of teeth grows during infancy and they fall off at the age between
six to eight years. These are termed milk teeth.