MediumBotany
+4 / -1
Match the given secondary metabolites correctly with their category 
A
a(ii), b(i), c(iii), d(iv)
B
a(iii), b(i), c(ii), d(iv)
C
a(ii), b(i), c(iv), d(iii)
D
a(ii), b(i), c(iii), d(iv)
Explanation
a. Alkaloid → (ii) Morphine
Alkaloids are nitrogen-containing secondary metabolites; morphine is a classic example obtained from opium poppy.b. Toxin → (i) Ricin
Ricin is a highly toxic protein obtained from castor seeds, hence classified as a toxin.c. Lectin → (iii) Concanavalin A
Lectins are carbohydrate-binding proteins; Concanavalin A is a well-known lectin from jack bean.d. Polymeric substance → (iv) Gums
Gums are complex polysaccharides (polymeric substances) produced by plants.
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