Question

Chemical compounds which are produced by host plants due to infection as a defense reaction to pathogen is called as

• A. Phytohormone
• B. Phytoalexins
• C. Phytotron
• D. None of the above

Answer 1

The correct option is B Phytoalexins

Phytoalexins are antimicrobial and often anti-oxidative substances synthesized by plants, that accumulate rapidly at areas of pathogen infection. They are broad spectrum inhibitors and are chemically diverse with different types characteristic of particular plant species.

Thus, the correct answer is option B.