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Question

Plants get protection from fungi and bacteria by ...........

A
Abscisic acid
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B
Auxin
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C
Phenolic compounds
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D
Ethylene
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Solution

The correct option is B Phenolic compounds
Phenolic compounds is a large class of secondary metabolites produced by plants to defend themselves against pathogens. They are produced primarily via the shikimic acid and malonic acid pathways in plants and include a wide variety of defense-related compounds including flavonoids, anthocyanins, phytoalexins, tannins, lignin and furanocoumarins. Flavonoids are one of the largest classes of phenolic compounds.
So, the correct answer is 'Phenolic compounds'

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