Step 1: Concept
Phytochemistry and botany
Step 2: Meaning
Understanding the origin and extraction process of medicinal drugs from plant parts
Step 3: Analysis
Aconite, also known as wolfsbane or monkshood, is a genus of plants in the family Ranunculaceae. The active compounds in Aconitum ferox are primarily found in its tuberous roots.
Step 4: Conclusion
The tuberous roots of Aconitum ferox contain the majority of the medicinal properties used for the drug aconite.
Final Answer: (A)