Which of the following pairs of secondary metabolites and their categories is incorrectly matched?

Step-by-step solution

According to NCERT, secondary metabolites are classified into various categories based on their nature and use. Concanavalin A is correctly matched as a lectin. Abrin is correctly matched as a toxin. Vinblastin is correctly matched as a drug. Curcumin is incorrectly matched. Curcumin is classified as a drug, whereas lemon grass oil is an example of an essential oil. Answer: Curcumin - Essential oil