Articles > Synergistic effect Dictionary – quiz Synergistic effect Dictionary – quiz Quiz Choose the best answer. 1. Cooperation, a form of symbiosis, is an ecological synergy. The more individuals work together the more there are cumulative positive effects.TrueFalse 2. Pest synergy pertains to a form of synergy wherein the presence of two or more kinds of parasites could lead to more adverse effects than when they are present without the others.TrueFalse 3. Drug synergism happens when the effects of two or more different kinds of drugs cancel each other's effects.TrueFalse 4. The potency of aspirin and caffeine increases when combined, providing greater pain relief than when taken alone.TrueFalse 5. Synergistic epistasis is when the genes interact and together cause more effects than they would have produced when alone.TrueFalse Send Your Results (Optional) Your Name To Email Time is Up!