Answer: Water and electrolyte reabsorption.
- A Protein digestion via pancreatic and intestinal enzymes
- B Lipid absorption through intestinal villi
- C Water and electrolyte reabsorption
- D Mainly vitamin synthesis by resident gut bacteria
Correct answer: C. Water and electrolyte reabsorption
Explanation: The large intestine (colon) primarily reabsorbs water and electrolytes from indigestible food, forming feces. Gut bacteria also produce some vitamins.
The human digestive system. Image: LadyofHats (Mariana Ruiz), Public Domain, via Wikimedia Commons.
Concept context
The digestive tract, digestive enzymes, hormonal control of digestion, and liver function. High NEET weightage.