PCA Insects Exam Q & A 2024/2025 with Complete Solution

PCA Insects Exam Q & A 2024/2025 with Complete Solution a cholinesterase test is useful for determining - Answer human exposure to certain insecticides a major distinction between parasitoids and predators is that - Answer predators are better at dispersal than parasitoids; parasitoids are better competitors than predators; parsitoids tend to be more host specific than predators a sampling program which allows decisions to generally be made with fewer samples and which usually saves money is - Answer sequential sampling a sampling tool commonly used to monitor lygus bugs in cotton is the - Answer sweep net aestivation refers to insects that are dormant - Answer in the summer alternate hosts, such as weeds, provide overwintering habitat for - Answer many viruses certain insect virus vectors among the following mortality factors that affect insect populations, the one that is directly density-dependent is - Answer natural enemies an advantage to broad spectrum insecticides is that they - Answer kill many kinds of insects an example of not beneficial insect generalist predator - Answer trichogrammatid wasps an important aspect of host quality on pest population dynamics is that - Answer the host has adequate nutrients available for the insect to complete its development antibiosis is a form of host plant resistance in which - Answer plant characteristics affect insects in a negative manner as a rule, cold, wet temperatures are deleterious to insects because - Answer they promote disease; they slow growth rates; they can interfere with dispersal Bacillus thuringensis ssp. kurstaki is an example of - Answer bacterium used to control many lepidopteran species