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Question

Choose the wrong statement among the following.


A
Trypsinogen is activated by enterokinase.
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B
Optimum pH for salivary amylase is 8.9.
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C
Rennin helps in digestion of milk proteins.
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D
Goblet cells secrete mucus.
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E
Submucosal glands of intestine are also known as Brunner's glands.
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Solution

The correct option is C Optimum pH for salivary amylase is 8.9.
  • The optimum pH for salivary amylase ranges between 6.7 to 7. Salivary amylase is the enzyme secreted by salivary glands that breaks down carbohydrates into maltose. 
  • Trypsin is an active enzyme that is formed when the trypsinogen is activated by enterokinase. 
  • Renin is an enzyme that is secreted by the kidney and helps in the digestion of milk proteins.
  • Goblet cells are unicellular mucus-secreting glands.
  • Submucosal glands are those that are present in the duodenum of the small intestine and are known as Brunner's glands.
Hence, the correct answer is option B. 

Biology

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