Advertisements
Advertisements
प्रश्न
List the enzymes and their action on food in the stomach and intestine.
Advertisements
उत्तर
|
REGION |
ENZYME |
ACTION ON FOOD |
|
Stomach |
Pepsin |
Acts on proteins and converts it into polypeptides |
|
Small intestine |
||
|
Duodenum |
Amylopectin |
Acts on starch and converts it into maltose |
|
Trypsin |
Acts on remaining proteins, proteoses and peptones to produce peptides and amino acids |
|
|
Ileum |
Erepsin |
Acts on proteins and polypeptides and converts them into small peptides and amino acids |
|
Sucrose |
Acts on sucrose and converts it into glucose and fructose |
|
|
Lactose |
Acts on lactose and converts it into glucose and galactose |
|
APPEARS IN
संबंधित प्रश्न
Write names of different parts of human digestive system and explain functions of any three parts.
The gall bladder temporarily stores bile.
Pancreatic juice contains enzymes which digest:
(a) proteins and carbohydrates only
(b) proteins and fats only
(c) fats and carbohydrates only
(d) proteins, fats and carbohydrates
If the teeth are not cleaned regularly, they become covered with a sticky yellowish layer W of food particles and bacteria. Since layer W covers the teeth, the alkaline liquid X secreted by glands Y inside the mouth cannot reach the teeth surface to neutralise the acid formed by the action of organisms Z on sugary food, and hence tooth decay sets in.
(a) What is W known as?
(b) What is (i) X, and (ii) Y?
(c) What are organisms Z?
(d) State one way of removing layer W from the teeth.
Study the diagram given below and then answer the question that follows:
Describe the structure of the part labelled '3'.
Study the following dental formula and then answer the question that follow:
`"i" 3/4 "c" 0/0 "pm" 0/1 "m" 1/1`
State the total number of teeth present in the dentition.
Give Scientific reasons:
Consuming iodized salt in day to day diet is essential.
State whether the following statement is True or False.
The temporary set of teeth includes incisors, canines, and premolars only.
Fill in the blanks.
Pepsin acts on ________ to change them into _______ and __________.
Write true or false for the below statement. Rewrite the false statements correctly.
Absorption of food takes place in small intestine
How do we know that we are hungry and that we should now eat?
Identify the part of the digestive system which is vestigial in humans?
Secretions of ____________ lubricate the lumen of the alimentary canal.
The process of digestion is completed by:
Why do we eat?
What causes movement of food inside the alimentary canal?
Cud is the name given to the food of ruminants which is ______.
Following statements describe animal nutrition. Read the statement and give one word for the statement. Write the terms that describe process.
Breaking of complex food substances into simpler and soluble substances.
Label the following parts in Figure and name them.
- The largest gland in our body.
- The organ where protein digestion starts.
- The organ that releases digestive juice into the small intestine.
- The organ where bile juice gets stored.
Rearrange the jumbled sequence of the different parts of the alimentary canal in proper sequence, (esophagus, small intestine, stomach, large intestine, anus, mouth, rectum)
