The following list describes four major digestive enzymes. Which one of the following is incorrect?

Salivary amylase - Salivary glands – Mouth

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Pepsin - Gastric glands - Stomach

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Nuclease - Small intestine – Stomach

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Lipase - Pancreas - Small intestine

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Solution

The correct option is C Nuclease - Small intestine – Stomach
Nucleases in the pancreatic juice acts on nucleic acids to form nucleotides and nucleosides. It is not produced in Stomach and the site of activity is small intestine.

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Q. A child eats his lunch made of rice, vegetables and pulses. Regarding this which of the following match is incorrect? Substrate of enzyme Enzyme Site of Secretion Products formed

I.	Starch	Salivary amylase	Salivary gland	Maltose, Dextrin
II.	Proteins	Pepsin	Stomach	Large peptides
III.	Lipase	Enterokinase	Small intestine	Fatty acids
IV.	Nucleic acids	Nucleases	Pancreas	Nucleotides

Q. Enzymes of salivary glands, stomach and small intestine works at pH ___, ___ and ___ respectively.

Trypsin: Pancres: Ptyalin: ?
1) Salivary glands 2) Small intestine 3) Gastric juice 4) Liver

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Question 15
Choose the odd one out from each group and give reasons.

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ii) Stomach, liver, pancreas, salivary gland
iii) Tongue, absorption, taste, swallow
iv) Oesophagus, small intestine, large intestine, rectum

Q. In human digestive system, the enzymes pepsin and trypsin are secreted respectively by:
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(b) stomach and salivary glands
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The following list describes four major digestive enzymes. Which one of the following is incorrect?

The correct option is C Nuclease - Small intestine – StomachNucleases in the pancreatic juice acts on nucleic acids to form nucleotides and nucleosides. It is not produced in Stomach and the site of activity is small intestine.

The correct option is C Nuclease - Small intestine – Stomach
Nucleases in the pancreatic juice acts on nucleic acids to form nucleotides and nucleosides. It is not produced in Stomach and the site of activity is small intestine.