__________ is the scientific name of the baker's yeast.

Options

A. Saccharomyces cereviseae
B. Penicillium notatum
C. Aspergillus niger
D. Azotobacter

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the scientific name of baker's yeast. Baker's yeast is commonly used in baking and fermentation processes.

2. **Reviewing the Options**: We have four options to consider:
- Option 1: Saccharomyces Cervisiae
- Option 2: Penicillium Notatum
- Option 3: Aspergillus Niger
- Option 4: Azotobacter

3. **Analyzing Each Option**:
- **Option 1: Saccharomyces Cervisiae**: This is known to be the scientific name of baker's yeast, which is used for fermentation in baking.
- **Option 2: Penicillium Notatum**: This is a fungus known for producing the antibiotic penicillin, not related to baking.
- **Option 3: Aspergillus Niger**: This is a type of mold that can be harmful and is not used in baking.
- **Option 4: Azotobacter**: This is a nitrogen-fixing bacteria found in soil, unrelated to yeast or baking.

4. **Identifying the Correct Answer**: After analyzing the options, it is clear that the correct answer is Option 1: Saccharomyces Cervisiae.

5. **Conclusion**: The scientific name of baker's yeast is Saccharomyces Cervisiae, which is essential for the fermentation process in baking.

---