Answer
397.2k+ views
Hint: Digestion of starch begins in mouth. The enzymes salivary amylase and pancreatic amylases are involved in digestion of starch.
Complete answer:
Digestion of carbohydrates:
The primary purpose of the digestion of carbohydrates is to break up monosaccharides from polysaccharides and disaccharides, which can be absorbed into the bloodstream. In the digestive tract, starch in food is broken down into glucose molecules (enzymatically digested). Saliva is secreted by the salivary glands in the mouth, helping to moisten the food. The food is then chewed as the salivary glands also release the salivary amylase enzyme, which starts the process in the carbohydrate food to break down the polysaccharides. But this operation in the small intestine, which digests carbohydrates, is far less essential than that of pancreatic amylase. Therefore, starch digestion takes place in the oral or the buccal cavity and the small intestine.
Let us analyze the options to find out the correct option.
Option A: Starch is not digested by amylase in stomach as the pH there is unsuitable for activity of amylase. Therefore, this is the correct option.
Options C and D: These are incorrect options.
Option B: Buccal cavity and small intestine is the correct option.
Hence, the correct answer is option (B)
Note: 1.Starch is a polysaccharide and is composed of glucose monomers.
2.It makes up about 60 % of carbohydrates that is consumed by humans.
3.Pancreas produce enzyme amylase which is useful for breakdown of starch.
Complete answer:
Digestion of carbohydrates:
The primary purpose of the digestion of carbohydrates is to break up monosaccharides from polysaccharides and disaccharides, which can be absorbed into the bloodstream. In the digestive tract, starch in food is broken down into glucose molecules (enzymatically digested). Saliva is secreted by the salivary glands in the mouth, helping to moisten the food. The food is then chewed as the salivary glands also release the salivary amylase enzyme, which starts the process in the carbohydrate food to break down the polysaccharides. But this operation in the small intestine, which digests carbohydrates, is far less essential than that of pancreatic amylase. Therefore, starch digestion takes place in the oral or the buccal cavity and the small intestine.
Let us analyze the options to find out the correct option.
Option A: Starch is not digested by amylase in stomach as the pH there is unsuitable for activity of amylase. Therefore, this is the correct option.
Options C and D: These are incorrect options.
Option B: Buccal cavity and small intestine is the correct option.
Hence, the correct answer is option (B)
Note: 1.Starch is a polysaccharide and is composed of glucose monomers.
2.It makes up about 60 % of carbohydrates that is consumed by humans.
3.Pancreas produce enzyme amylase which is useful for breakdown of starch.
Recently Updated Pages
How many sigma and pi bonds are present in HCequiv class 11 chemistry CBSE
![arrow-right](/cdn/images/seo-templates/arrow-right.png)
Why Are Noble Gases NonReactive class 11 chemistry CBSE
![arrow-right](/cdn/images/seo-templates/arrow-right.png)
Let X and Y be the sets of all positive divisors of class 11 maths CBSE
![arrow-right](/cdn/images/seo-templates/arrow-right.png)
Let x and y be 2 real numbers which satisfy the equations class 11 maths CBSE
![arrow-right](/cdn/images/seo-templates/arrow-right.png)
Let x 4log 2sqrt 9k 1 + 7 and y dfrac132log 2sqrt5 class 11 maths CBSE
![arrow-right](/cdn/images/seo-templates/arrow-right.png)
Let x22ax+b20 and x22bx+a20 be two equations Then the class 11 maths CBSE
![arrow-right](/cdn/images/seo-templates/arrow-right.png)
Trending doubts
Fill the blanks with the suitable prepositions 1 The class 9 english CBSE
![arrow-right](/cdn/images/seo-templates/arrow-right.png)
At which age domestication of animals started A Neolithic class 11 social science CBSE
![arrow-right](/cdn/images/seo-templates/arrow-right.png)
Which are the Top 10 Largest Countries of the World?
![arrow-right](/cdn/images/seo-templates/arrow-right.png)
Give 10 examples for herbs , shrubs , climbers , creepers
![arrow-right](/cdn/images/seo-templates/arrow-right.png)
Difference between Prokaryotic cell and Eukaryotic class 11 biology CBSE
![arrow-right](/cdn/images/seo-templates/arrow-right.png)
Difference Between Plant Cell and Animal Cell
![arrow-right](/cdn/images/seo-templates/arrow-right.png)
Write a letter to the principal requesting him to grant class 10 english CBSE
![arrow-right](/cdn/images/seo-templates/arrow-right.png)
Change the following sentences into negative and interrogative class 10 english CBSE
![arrow-right](/cdn/images/seo-templates/arrow-right.png)
Fill in the blanks A 1 lakh ten thousand B 1 million class 9 maths CBSE
![arrow-right](/cdn/images/seo-templates/arrow-right.png)