Question

Gastric juice contains

• A. Pepsin, lipase and rennin
• B. Trypsin, lipase and rennin
• C. Trypsin, pepsin and lipase
• D. Trypsin, pepsin and renin

Answer 1

The correct option is A

Pepsin, lipase and rennin

The correct option is A.

Explanation of the correct option:

1. Gastric juice has mucus, pepsin, lipase and rennin.
2. Mucus helps in the protection of the mucosal epithelium.
3. Pepsin converts proteins into peptides.
4. Fats are broken down by lipases of gastric juice.
5. Rennin is only found in gastric juice of infants, which helps in the breakdown of milk proteins.

Explanation of the incorrect options:

Option B:

Gastric juice has lipase and rennin. Pancreatic juice has trypsin enzyme.

Option C:

Pepsin and lipase are present in gastric juice, but trypsin is present in pancreatic juice.

Option D:

1. Gastric juice has pepsin and pancreatic juice has trypsin.
2. Renin is an enzyme secreted by the kidneys that helps control your blood pressure.

Final answer: Gastric juice contains pepsin, lipase and rennin.