15.Which of the following play a major role in defense responses to herbivores? [A] Oligosaccharins [B] Jasmonate [C] Strigolactones [D] None of these Show Answer
The first line of defense in plants is an intact and impenetrable barrier composed of bark and a waxy cuticle. Both protect plants against herbivores. Other adaptations against herbivores include hard shells, thorns (modified branches), and spines (modified leaves).
