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Which of the following secondary metabolites are wrongly matched with their categories? A. Toxin - Ricin B. Drug - Curcumin C. Alkaloid - Codeine D. Lectin - Abrin

Options

  1. AOnly A
  2. BA and B both
  3. CA and C both
  4. DOnly D

Correct answer

D. Only D

Step-by-step solution

List of secondary metabolites: Toxins - abrin, ricin Alkaloids - morphine, codeine Drugs - vinblastine, curcumin Lectin - concanavalin A Abrin is a toxin, not a lectin. Lectins are a class of proteins mostly of plant origin which bind to specific sugars and cause agglutination. One such example is concanavalin A.

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