Villi and Micro Villi

Q.

Why does the absorption of digested food occur mainly in the small intestine?

Q.

Where is digested food absorbed into blood in human body ?

Q.

Name two functions of finger like projections present in the small intestine.

Q.

What is the name of tiny projections on the inner surface of small Intestine which help in absorbing the digested food ?

Q. Which of the following statement is correct with respect to small intestine?

1. Villi decrease the surface area for the absorption of food.
2. Villi increase the surface area for the absorption of food.
3. 90% of the digestion and absorption of food occurs in the large intestine.
4. Villi are finger-like projections present in the large intestine

Q. Which of the following is/are true about villi?

1. Increases surface area for absorption.
2. Selectively absorbs nutrients.
3. Villi are present in stomach.
4. Villi are present on outer surface of small intestine.

Q.

What are the functions of hepatic portal system?

Q. Why does absorption of digested food occur mainly in the small intestine?

1. Digestion is completed in the small intestine
2. Inner lining of the small intestine is provided with villi which increases the surface area for absorption.
3. Wall of the intestine is richly supplied with blood vessels (which take the absorbed food to each and every cell of the body).
4. Wall of the stomach is richly supplied with blood vessels.

Q.

1. Write a note on villis.

Q. Which of the following is/are true about villi?

1. Increases surface area for absorption.
2. Selectively absorbs nutrients.
3. Villi are present in stomach.
4. Villi are present on outer surface of small intestine.

Q. The given figure shows a part of digestive system. Identify it and select its main function.

1. Oesophagus: Helps the movement of undigested food into the large intestine.
2. Gall bladder: Carries the digested food to all parts of the body.
3. Part of the pancreas: Produces digestive juices to digest the food in the small intestine.
4. Villus: Makes a large surface area for the effective absorption of digested food.

Q. The large intestine is ........ than small intestine.

1. Wider and taller
2. Fatter and shorter
3. Wider and fatter
4. Wider and shorter

Q.

___________________________ Delivers absorbed food from the small intestine to liver for assimilation

Q. Where is digestion completed? Duodenum or ileum? What happens in ileum?

Q.

Small finger-like foldings known as villi are present in the _____ .

1. oesophagus
2. large intestine
3. stomach
4. small intestine

Q.

Small finger-like foldings known as villi are present in the _____ .

1. oesophagus
2. large intestine
3. stomach
4. small intestine

Q. Villi is a small elongated projection, that increases the surface area for absorptions, is found in ____ .

1. intestines
2. liver
3. stomach
4. oesophagus

Q. The functional unit for absorption of digested food is:

1. Crypts of Lieberkuhn
2. Peyer's Patches
3. Villi
4. Brunner's gland

Q. Which of the following statement is correct with respect to small intestine?

1. Villi decrease the surface area for the absorption of food.
2. Villi increase the surface area for the absorption of food.
3. 90% of the digestion and absorption of food occurs in the large intestine.
4. Villi are finger-like projections present in the large intestine