If pancreas is removed, the components which remain undigested by

Options

A. carbohydrates
B. fats
C. proteins
D. All of these

Explanation

**Step-by-Step Solution:**

1. **Understand the Role of the Pancreas:**
The pancreas is a vital organ that produces pancreatic juice, which contains several important digestive enzymes. These enzymes are crucial for the digestion of carbohydrates, proteins, fats, and nucleic acids.

2. **Identify the Enzymes Produced by the Pancreas:**
- **Amylase:** Digests carbohydrates.
- **Lipase:** Digests fats.
- **Trypsin:** Digests proteins.
- **Nucleases:** Digests nucleic acids.

3. **Consider the Effects of Pancreas Removal:**
If the pancreas is removed, the production of these enzymes ceases. Consequently, the digestion of the respective food components will be impaired.

4. **Analyze the Food Components:**
- **Carbohydrates:** Require amylase for digestion.
- **Fats:** Require lipase for digestion.
- **Proteins:** Require trypsin for digestion.
- **Nucleic Acids:** Require nucleases for digestion.

5. **Conclusion:**
Since the pancreas is responsible for producing enzymes that digest carbohydrates, fats, proteins, and nucleic acids, if the pancreas is removed, all these food components will remain undigested. Therefore, the correct answer is that all of these components will remain undigested.

**Final Answer: All of these (carbohydrates, fats, proteins, and nucleic acids) will remain undigested if the pancreas is removed.**

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