Tag: digestion in small intestine

Questions Related to digestion in small intestine

Which of the following sugars is absorbed from the small
intestine by facilitated diffusion

biology digestion and absorption digestion in small intestine digestive glands and their secretions alimentary canal

  1. Fructose

  2. Glucose

  3. Sucrose

  4. Lactose

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Correct Option: A
Explanation:

Glucose and gala dose are absorbed by active transport. Fructoseis absorbed by facilitated diffusion.

Fatty acid and glycerol are first taken up from alimentary
canal by

biology digestion and absorption digestion in small intestine digestive glands and their secretions alimentary canal

  1. villi

  2. Blood capillaries

  3. Hepatic portal vein

  4. Lymph vessels

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Correct Option: D
Explanation:

Generally, fatty acids upto a chain length of 10 carbon atom are primarily absorbed through the blood capillaries, but those with higher chain length through lymphatic route (lymph vessels).

Disaccharide which gives two molecules of glucose is ____________.

biology digestion and absorption digestion in small intestine digestive glands and their secretions alimentary canal

  1. Lactose

  2. Sucrose

  3. Maltose

  4. Galactose

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Correct Option: C
Explanation:
Maltose is composed of two molecules of glucose.
So, the correct answer is 'Maltose'

Gastric juice is

biology digestion and absorption digestion in small intestine digestive glands and their secretions alimentary canal

  1. Acidic

  2. Alkaline

  3. Neutral

  4. Slightly alkaline

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Correct Option: A

Pancreatic juice and bile are poured through

biology digestion and absorption digestion in small intestine digestive glands and their secretions alimentary canal

  1. A common area into duodenum

  2. Two distinct ducts into duodenum

  3. A common duct into ileum

  4. Two distinct ducts into ileum

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Correct Option: A

Chymotrypsin is a component of

biology digestion and absorption digestion in small intestine digestive glands and their secretions alimentary canal

  1. Bile

  2. Pancreatic juice

  3. Succus entericus

  4. Gastric juice

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Correct Option: B

A digestive enzyme functional only in infants is

biology digestion and absorption digestion in small intestine digestive glands and their secretions alimentary canal

  1. Lactase

  2. Gastric lipase

  3. Intestinal lipase

  4. Chymotrypsin

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Correct Option: B

Succus entericus is

biology digestion and absorption digestion in small intestine digestive glands and their secretions alimentary canal

  1. Swollen area between ileum and rectum

  2. Intestinal juice

  3. Any swelling in gut

  4. Vermiform appendix

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Correct Option: B

Cells of pancreas secreting pancreatic juice are.

biology digestion and absorption digestion in small intestine digestive glands and their secretions alimentary canal

  1. Acinar cells

  2. Goblet cells

  3. Peptic cells

  4. Oxyntic cells

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Correct Option: A

Most of the fat digestion occurs in

biology digestion and absorption digestion in small intestine digestive glands and their secretions alimentary canal

  1. Rectum

  2. Stomach

  3. Duodenum

  4. Small intestine

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Correct Option: D
Explanation:

Digestion of fat begins in duodenum with the help of pancreatic lipase but cannot be completed there because of its small size. Further it is component of small intestine. In infants some digestion occurs in stomach.