The antibodies anti A and anti B are

Options

A. Ig G type present in plasma
B. Ig A type present on RBC
C. Ig M type present in plasma
D. Ig G type present on RBC

Answer

To solve the question "The antibodies anti A and anti B are," we will analyze the options provided and determine the correct answer step by step.

### Step-by-Step Solution:

1. **Understand the Antibodies**:
- Anti A and anti B are antibodies that are part of the immune response. They are specifically involved in the ABO blood group system.

2. **Identify the Blood Groups**:
- Anti A antibodies are present in individuals with blood groups B and O.
- Anti B antibodies are present in individuals with blood groups A and O.

3. **Determine the Type of Immunoglobulin**:
- Antibodies are classified into different types of immunoglobulins (Ig). The main types are IgA, IgG, IgM, IgE, and IgD.
- Anti A and anti B antibodies are primarily associated with the IgM type.

4. **Location of Antibodies**:
- These antibodies are found in the plasma, which is the liquid component of blood.

5. **Evaluate the Options**:
- Option A: Immunoglobulin G type present in plasma - Incorrect.
- Option B: Immunoglobulin A type present on RBC - Incorrect.
- Option C: Immunoglobulin M type present in plasma - Correct.
- Option D: Immunoglobulin G type present on RBC - Incorrect.

6. **Conclusion**:
- The correct answer is **Option C: Immunoglobulin M type present in plasma**.