Answer: Starch (carbohydrates).
- A Proteins, broken down later in the stomach
- B Fats, emulsified later by bile in the intestine
- C Starch (carbohydrates)
- D DNA, broken down by nucleases in the intestine
Correct answer: C. Starch (carbohydrates)
Explanation: Salivary amylase in saliva begins digestion of starch (polysaccharide) in the mouth, breaking it into maltose.
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.