Question

Study the following and identify the correct statements:
I. Peptic cells of gastric glands secrete rennin
II. In liver of man, urea is synthesized
III. Pancreatic lipase is called steapsin
IV. Fundic region forms the major part of stomach

• A. I only
• B. I, II only
• C. I, II, III only
• D. I, II, III, IV

Hint:

{Urea Cycle} occurs in Liver Mitochondria and Cytosol. {Rennin} digests milk protein (Casein).

Answer 1

The Correct Option is D

Step 1: Analyze Statement I:
Peptic cells (Chief cells) secrete proenzymes like pepsinogen and prorennin. Prorennin is activated to Rennin (chymosin), which is essential for milk digestion in infants. Thus, attributing rennin secretion to peptic cells is Correct.
Step 2: Analyze Statement II:
The liver is the primary site of the Ornithine cycle (Urea cycle), where ammonia is converted into urea for excretion. Correct.
Step 3: Analyze Statement III:
Steapsin is an older or alternative term used in biochemistry for Pancreatic Lipase, the principal fat-digesting enzyme. Correct.
Step 4: Analyze Statement IV:
The stomach is anatomically divided into Cardiac, Fundic, Body, and Pyloric parts. In many traditional biological contexts (and older NCERT versions), the stomach was broadly divided into Cardiac, Fundic, and Pyloric, where the Fundic region (often encompassing the body) was considered the main central part for storage and digestion. Based on the options provided, this statement is accepted as Correct.
Step 5: Conclusion:
All four statements are correct. Option (D).