Advertisements
Advertisements
प्रश्न
Mention two ways in which the ileum of the mammal is adapted for the absorption of digested food.
Advertisements
उत्तर
Adaptations of ileum for the absorption of digested food:
(1) Very long to provide more surface area for absorption
(2) Presence of large number of villi to further increase the surface area
APPEARS IN
संबंधित प्रश्न
What is the role of the acid in our stomach?
Digestion of starch starts in the stomach.
What is the location and function of the villi?
Which of the organs perform the following function in humans?
Absorption of water
What harm can dental plaque do?
Prepare a possible vegetarian menu for your dinner which would provide all the necessary nutrients.
How is the liver an important organ in our body?
Write the function of the following in the human alimentary canal:
HCl in stomach
Fill in the blanks in the table (1-5) by selecting the suitable names of substances from the list given below:
(steapsin, peptones, fatty acids, proteoses, protein).
| Digestive Enzymes | Acts on | To convert into |
| (i) Pepsin | _________(2) | ________(3) and |
| (ii) _______(1) | Fats |
________(4) _________(5) |
State the four ways in which saliva is useful to us.
Define with examples: Heterotrophs
Correct the spellings: Ptorein
The question has four options. Choose the correct answer:
Teeth present in the upper molar of human beings are
Observe the diagram. This is the histological structure of the stomach. Identify and comment on the significance of the layer marked by an arrow.

A group of organs together make up an ______ system.
Write any two functions of digestive system.
Match the two columns and select correct option.
| Column - I | Column - II | ||
| i. | Sphincter of Oddi | a. | Oesophagus and stomach |
| ii. |
Ileo-caecal sphincter |
b. | Stomach and small intestine |
| iii. | Pyloric sphincter | c | Ileum and caecum |
| iv. |
Gastro-oesophageal sphincter |
d. | Opening of hepato- pancreatic duct |
The common bile duct and pancreatic form ______.
Match the following:
| 1. | Pancreatic juice | a. | Breaking starch |
| 2. | Salivary enzymes | b. | Digestive enzymes |
| 3. | Salivary gland | c. | Alimentary canal |
| 4. | Digestive tract | d. | Parotid |
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.
