The correct answer is A. Khesari Dal.
Lathyrism is a neurological disorder caused by the consumption of toxic substances found in certain legumes, such as khesari dal (Lathyrus sativus). The symptoms of lathyrism can vary depending on the severity of the exposure, but can include weakness, paralysis, and even death.
Mustard oil, mushrooms, and polished rice are not known to cause lathyrism.
Khesari dal is a type of lentil that is commonly used in Indian cuisine. It is a good source of protein and fiber, but it also contains a toxin called β-ODAP, which can cause lathyrism.
Lathyrism is a serious condition that can have a devastating impact on the lives of those who suffer from it. There is no cure for lathyrism, but there are treatments that can help to manage the symptoms.
If you are concerned that you may have been exposed to khesari dal, it is important to seek medical attention immediately.