Which of the following statements are not true about villi?

1. Villi secrete enzymes to digest proteins, fats, and
carbohydrates.
2. Villi are richly supplied with blood vessels.
3. Villi are present in the inner wall of the stomach.
4. Villi increases the surface area for greater absorption of digested food.

A. 1, 3 & 4
B. 1 & 3
C. 2 & 4
D. 3

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Select what is not true of intestinal villi among following
(a) they possess microvilli
(b) they increase the surface area
(c) they are supplied with capillaries and the lacteal vessels
(d) they only participate in digestion of fats

Q. Write True (T) or False (F) against the following statements in the given brackets:
1. Rumen in cow is actually the true stomach. ( )
2. Digestion of food starts in the mouth. ( )
3. Gastric juice is secreted by the small intestine. ( )
4. An enzyme called ptyalin is present in saliva. ( )
5. Villi helps in digestion of food. ( )

Q. State whether the following statements are true or false.

Statement 1: Villi secrete enzymes to digest proteins, fats, and carbohydrates.
Statement 2: Villi helps to increase the surface area for absorption.

A. Statement 1: True; Statement 2: False
B. Statement 1: False; Statement 2: True

Q. State whether the following statements are true or false.
Statement 1- Villi are the finger-like projections present in the inner lining of the large intestine.
Statement 2- Villi helps to increases the surface area for absorption.

Q. Villi minimises the surface area for the absorption of digested food.

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