Read the following statements and select the correct option.
Statement 1: Besides curdling of milk, LAB also improve its nutritional quality by increasing vitamin `B_(12)`.
Statement 2: LAB, when present in human stomach, check disease causing microbes.

Options

A. Both statements 1 and 2 are correct
B. Statement 1 is correct but statement 2 is incorrect
C. Statement 1 is incorrect but statement 2 is correct
D. Both statements 1 and 2 are incorrect

Answer

To solve the question, we need to evaluate the two statements provided about Lactic Acid Bacteria (LAB) and determine their correctness.

### Step-by-Step Solution:

1. **Analyze Statement 1**:
- The statement claims that besides curdling milk, LAB also improve its nutritional quality by increasing vitamin B12.
- LAB are known for their role in fermentation, which can enhance the nutritional profile of dairy products.
- Specifically, LAB can synthesize certain vitamins, including vitamin B12, during the fermentation process.
- **Conclusion**: Statement 1 is correct.

2. **Analyze Statement 2**:
- The statement asserts that LAB, when present in the human stomach, check disease-causing microbes.
- LAB are beneficial microorganisms that can help maintain gut health by inhibiting the growth of pathogenic bacteria.
- They can enhance the immune response and have been associated with various health benefits, including the prevention of gastrointestinal diseases.
- **Conclusion**: Statement 2 is also correct.

3. **Select the Correct Option**:
- Since both statements are correct, the correct option is that both Statement 1 and Statement 2 are correct.

### Final Answer:
Both Statement 1 and Statement 2 are correct.

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