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Villi and Micro Villi

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Question

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

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Solution

Option (d) they only participate in digestion of fats , is not true.

Intestinal villi are the numerous small finger-shaped projections which increases the absorptive surface area. They contain abundant blood capillaries and lymph vessels called lacteals, They also possess countless minute microvilli which further add to the absorptive surface. They do not participate in the digestion of fats but helps in their absorption and various other food substances such as water, mineral, salts, amino acids, vitamins, etc.

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Similar questions

Q. 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. It increases the surface area for greater absorption of digested food.

Q. Which among the following statements are true for unisexual flowers?
(a) They possess both stamen and pistil.
(b) They possess either stamen or pistil.
(c) They exhibit cross-pollination.
(d) Unisexual flowers possessing only stamens cannot produce fruits.

Lacteals are lymphatic vessels found in the digestive tract. They absorb____.

Q. Question 7
Read the following statements with reference to the villi of small intestine.
i) They have very thin walls.
ii) They have a network of thin and small blood vessels close to the surface.
iii) They have small pores through which food can easily pass.
iv) They are finger-like projections.

Identify those statements which enable the villi to absorb digested food.

(a) (i), (ii) and (iv)
(b) (ii), (iii) and (iv)
(c) (iii) and (iv)
(d) (i) and (iv)

Q. Which among the following statements are true for unisexual flowers?
(i) They possess both stamen and pistil
(ii) They possess either stamen or pistil
(iii) They exhibit cross pollination
(iv) Unisexual flower possessing only stamens cannot produce fruits

(a) (i) and (iv)
(b) (ii), (iii) and (iv)
(c) (ii) and (iii)
(d) (i), (iii) and (iv)

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