Given below are Two statements (A-B) each with one or more blanks. Select the option which correctly fills the blanks in the statements -
Statements :
A. Statins produced by the yeast, .................have been commercialised as blood cholesterol lowering agents.
B. ......................contains insecticidal crystal proteins thurioside, which is stomach poison and highly insect specific.
Options:

Options

A. A-Monascus purpureus, B - Bacillus thuringiensis
B. A-Leuconostoc citrovorum, B - Mucor pusillus
C. A - Streptococcus thermophilus, B - Lactobacillus bulgaricus
D. A-Hordeum vulgare, B - Humulus lupulus

Answer

To solve the given statements, we need to identify the correct terms that fill the blanks in each statement.

### Step-by-Step Solution:

1. **Understanding Statement A**:
- The statement mentions "Statins produced by the yeast, .................have been commercialised as blood cholesterol lowering agents."
- We know that statins are compounds that help lower cholesterol levels in the blood. One well-known yeast that produces statins is **Monascus purpureus**.

2. **Filling Statement A**:
- Therefore, the correct term to fill in the blank for Statement A is **Monascus purpureus**.

3. **Understanding Statement B**:
- The statement mentions "......................contains insecticidal crystal proteins thurioside, which is stomach poison and highly insect specific."
- This refers to a bacterium known for producing insecticidal proteins. The bacterium that fits this description is **Bacillus thuringiensis**.

4. **Filling Statement B**:
- Thus, the correct term to fill in the blank for Statement B is **Bacillus thuringiensis**.

5. **Final Answer**:
- The completed statements are:
- A. Statins produced by the yeast, **Monascus purpureus** have been commercialised as blood cholesterol lowering agents.
- B. **Bacillus thuringiensis** contains insecticidal crystal proteins thurioside, which is stomach poison and highly insect specific.