A secretion that digests both carbohydrates and proteins is -

Options

A. ptyalin
B. pepsin
C. pancreatic juice
D. saliva

Answer

To solve the question "A secretion that digests both carbohydrates and proteins is -", we will analyze the options provided and identify which secretion has the ability to digest both types of macromolecules.

### Step-by-Step Solution:

1. **Understanding the Question**: We need to identify a secretion that can digest both carbohydrates and proteins.

2. **Analyzing the Options**:
- **Option A: Thylene**: This is not a known digestive secretion. It does not play a role in digestion.
- **Option B: Pepsin**: This is an enzyme that digests proteins but does not digest carbohydrates.
- **Option C: Pancreatic Juice**: This is a secretion from the pancreas that contains multiple enzymes capable of digesting carbohydrates (like amylase) and proteins (like trypsin and chymotrypsin).
- **Option D: Saliva**: Saliva contains amylase, which digests carbohydrates, but it does not digest proteins.

3. **Identifying the Correct Answer**: Among the options, pancreatic juice is the only secretion that digests both carbohydrates and proteins.

4. **Conclusion**: The correct answer is **C: Pancreatic Juice**.