WorksheetsPHYSIOLOGY OF DIGESTION
Total questions: 25
Worksheet time: 25mins
What is digestion?
The breakdown of large insoluble food molecules into small water-soluble food molecules
The process of making food absorbable by mechanically and enzymatically breaking it down into simpler chemical compounds in the digestive tract
It is the mechanical and chemical breakdown of larger molecules into smaller molecules.
All of the above
How many pairs of salivary glands are found in humans?
(a)
Trypsin acts in an alkaline medium. Mention the source that provides the alkaline medium to trypsin.
Bile
Gall Bladder
Small Intestine
Duodenum
Activation of lipase enzyme takes place by:
Duocrinin
Pancreatic juice
Gastric juice
Bile
The enzyme responsible for digestion of milk in man is:
Trypsin
Lactase
Renin
Sucrase
Stomach breaks the food in a thick liquid or paste called (a) .
Pepsin can digest collagen.
True
False
Name the site where most chemical and mechanical digestion is carried out.
Duodenum
Stomach
Small intestine
Large Intestine
In which region of the stomach the gastrin cells secrete gastrin?
Body
Pyloric
Fundus
Cardiac
The intestine performs two distinct functions, viz., ________________ and ________________.
Chemical Breakdown , secretion
Digestion , absorption
Chemical breakdown, absorption
Digestion , reabsorption
An acidic medium is needed for the digestion that occurs in the ________________.
Duodenum
Small Intestine
Stomach
Gall Bladder
Human beings are:
Secodont
Selenodont
Lophodont
Lophodont
The enzyme responsible for digestion of milk in man is:
Trypsin
Lactase
Renin
Sucrase
What does the liver do to help digestion?
Makes important enzymes
Neutralizes stomach acid
Produces bile
Regulates insulin
The small intestine has three parts. The first part is called
Duodenum
Oesophagus
Larynx
None of the above
What is the enzyme that breaks down lactose?
Lipase enzymes
Lactase
Pepsin
Amylase
What digestive enzyme that is found in the stomach and begins the digestion of proteins?
Amylase
Rennin
Lipase
Pepsin
Enterokinase helps in the conversion of
Pepsinogen into pepsin
Lactose to Sucrose
Trypsinogen into trypsin
Proteins into polypeptide
waves of muscular contractions that move food through the digestive tract.
peristalsis
absorption
villi
digestion
Where does the digestion of proteins take place?
Mouth and stomach
Mouth , stomach and small intestine
Mouth and small intestine
Stomach and small intestine
What is the enzyme contained in the saliva?
Amylase
Pepsin
Hydrochloride acid
Lipase
What is the function of the gall bladder?
absorption of fat
digestion of fat
production of bile
storage of bile
End products formed after the breakdown of lactose are _________
Glucose and Galactose
Glucose and fructose
Fructose and galactose
Sucrose and glucose
Which enzyme below is involved in the following chemical digestion process?
FATS---->FATTY ACIDS/GLYCEROL
Amylase
Trypsin
Pepsin
Lipase
The organ in orange represents the:
Liver
Duodenum
Stomach
Pancreas
