Among the options provided:
1. Arjun: Arjun is not a wheat variety. It is a popular variety of mango.
2. Jaya: Jaya is not a wheat variety either. It is a variety of rice commonly grown in India.
3. Padma: Padma is not a wheat variety. It is the name of a flower (Lotus) and a river in India.
4. Sonalika: Sonalika is indeed a high-yielding variety of wheat that is widely cultivated in India. It is known for its high grain yield and adaptability to different agro-climatic conditions.
Therefore, the correct answer is option 4, "3 and 4," as Sonalika is the only wheat variety among the given options. I apologize for the confusion caused by my previous response.