*Question G1B05:
[97.111((5)(b)] Which of the following one-way transmissions are permitted?*  

*Correct Answer is  B: Transmissions to assist with learning the International Morse code*  

### AI Response: (may contain errors)  

To understand the correct answer for question G1B05, let's analyze each option regarding the rules governing amateur radio transmissions.

### Correct Answer: 
**B: Transmissions to assist with learning the International Morse code**

- **Explanation**: This option is correct because amateur radio operators are allowed to conduct transmissions that help others learn Morse code. This falls under the educational use of the amateur radio service, which is permitted.

### Why the Other Choices are Incorrect:

- **A: Unidentified test transmissions of less than 10 seconds in duration**  
  - **Explanation**: Unidentified transmissions are generally not allowed in amateur radio. All transmissions must identify the station's call sign, even if they are brief. Therefore, this option is incorrect.

- **C: Regular transmissions offering equipment for sale, if intended for amateur radio use**  
  - **Explanation**: While operators can discuss equipment, regular transmissions specifically for selling equipment are not permitted. Amateur radio is not intended for commercial purposes, so this option is also incorrect.

- **D: All these choices are correct**  
  - **Explanation**: Since options A and C are incorrect, this option cannot be correct either. 

### Summary of Rules:
- Amateur radio operators must always identify their station with their call sign.
- Educational transmissions, such as those for learning Morse code, are allowed.
- Regular commercial activities, including selling equipment, are not permitted.

This understanding of the rules will help you answer similar questions on the exam.