Life Processes Worksheet-29

Life Processes Worksheet-29

 

True or False:

  1. Saprophytic involves the taking in of solid particles of food which have to be further broken down into simpler particles inside the organism.

 

  1. The bolus is partially digested in stomach is now called the Chyme.

 

  1. Absorption of food means transport and utilization of simplified form of food to different parts of the body/ cell.

 

  1. Amoeba is an omnivorous organism that feeds on both plants and animals.

 

  1. In amoeba, release of undigested food is known as endocytosis.

 

  1. Human beings show organ level of body organization.

 

  1. Liver is a largest gland associated with the alimentary canal.

 

  1. Stomach is a bag like muscular structure which is present in right side of abdominal cavity.

 

  1. Temporary storage of undigested food material occurs in colon part of large instestine.

 

  1. Canines teeth helps in tearing activities.

 

  1. Rhythmic contraction and relaxation of muscles which pushes the food towards downside is known as peristalsis.

 

  1. Oesophagus is located below the diaphragm.

 

  1. Gastric juice helps in maintaining acidic pH for the functioning of enzyme trypsin.

 

  1. Absorption of digested food material occurs in small intestine only.

 

  1. Starch is converted to maltose in buccal cavity and small intestine.

 

  1. Large intestine has thin lining which helps in absorption of undigested food material into blood stream.

 

  1. Saliva helps in the formation of bolus in mouth.

 

  1. Juice secreted by liver is temporarily stored in gall bladder.

 

  1. Bile juice helps Emulsification of Proteins.

 

  1. Bile juice maintaining alkaline medium for the functioning of pancreatic and intestinal enzymes.

 

  1. Trypsin helps in digestion of lipids.

 

  1. Inner lining of stomach is protected from acid by mucus secreted by its epithelial lining.

 

  1. The simplest form of carbohydrate is maltose.

 

  1. Fats are completely digested to fatty acids and glycerol in small intestine.

 

  1. The exit of the food from the stomach is regulated by sphincter muscles.

 

Answer:

  1. False: Holozoic nutrition involves the taking in of solid particles of food which have to be further broken down into simpler particles inside the organism

  2. True

  3. False: Absorption of food means means only transport of simplified form of food to different parts of the body/ cell and its utilization within the cell is known as assimilation

  4. True

  5. False: In amoeba, release of undigested food is known as exocytosis

  6. False; Human beings shows organ system level of body organization

  7. True

  8. False: Stomach is a bag like muscular structure which is present in left side of abdominal cavity

  9. False:  Temporary storage of undigested food material occurs in rectum part of large instestine

  10. True

  11. True

  12. False: Oesophagus is located above the diaphragm

  13. False: Gastric juice helps in maintaining acidic pH for the functioning of enzyme pepsin 

  14. True

  15. True

  1. False: large intestine has thin lining which helps in re-absorption of excess of water from undigested food material into blood stream.

  2. True

  3. True

  4. False: Bile juice helps Emulsification of fats.

  5. True

  6. False: Trypsin helps in digestion of proteins

  7. True

  8. False: The simplest form of carbohydrate is monosacccharide

  9. True

  10. True