The most common form of biomedical therapy is Multiple choice question.drug therapy.cognitive therapy.psychosurgery.electroconvulsive therapy.

The most common form of biomedical therapy is drug therapy.

Explanation:

1. Definition: Biomedical therapy refers to treatments that are based on the biological aspects of psychological disorders.
2. Drug Therapy: This involves the use of medications to manage mental health conditions. It is widely used and includes antidepressants, antipsychotics, and anxiolytics among other categories.
3. Comparison: While other options like cognitive therapy focus on psychological methods, psychosurgery and electroconvulsive therapy (ECT) are less common due to their invasive nature and the availability of other non-invasive treatments.
4. Conclusion: Drug therapy is frequently the first line of treatment for many mental health issues, making it the most common form of biomedical therapy.