MCQs Entomology [4] Posted on 2024-02-21Author admin 0 1. Insects are considered to be beneficial because they are All of these Act as biological control agents Source of useful products Effective pollinators 2. ___________ structure is always associated with the Hymenoptera order of insects Hamuli Furcula Collophore Elytra 3. Relative method(s) to assess economic threshold levels for an insect pest includes_______________ All of these Number of insects per leaf Number of insects per plant Number of insects per twig 4. ____________insects feed on one type of food Entomophagous All of these Monophagous Polyphagous 5. Insects having ___________ pass through the egg, larva, pupa, and adult stages in their life cycle. Partial metamorphosis Without metamorphosis Complete metamorphosis Incomplete metamorphosis 6. Name the group of insects that rely on other means of locomotion than flying Pterygota Endopterygota Apterygota Exopterygota 7. Complete the statement with the most suitable option. Elastic regions of the exoskeleton___ Are found only at the joints. Lack a well-defined exocuticle Contain high concentrations of quinones Are generally known as sclerites 8. Major reasons for pest outbreaks include_____________ Switching to more profitable crops Monoculture Biodiversity Biological control 9. An example of a biological control against insects is the use of ___ Pesticides Herbicides Sex Hormones Fungicides 10. In an ant nest, all workers are _____________ Adult males Immature males Adult females Immature females 11. ___________ order of Insecta exclusively includes hematophagous insects Phthiraptera Hymenoptera Lepidoptera Siphonaptera 12. ___________ responses occur when predators interact with prey populations Functional and numerical responses A functional response A numerical response No specific responses 13. To survive and reproduce, some insects require aquatic environments during their life cycle. Among the following insect orders, which one is purely terrestrial in nature, without any aquatic stage in its life cycle. Trichoptera Orthoptera Diptera Plecoptera 14. __________ is the mode of action of organophosphate insecticides Acetylcholinesterase inhibition Nicotinic Acetylcholine Receptor Competitive Modulators Gamma-aminobutyric acid (GABA) Sodium Channel Modulators 15. Main characteristic features of an Insect include_____________ Pair of wings None of these Pair of antennae Three pairs of legs 16. _________is the function of micropyle in an insect’s egg Nutrition Water balance Respiration Sperm entrance 17. Fly larvae (maggots) demonstrate a behavioral adaptation where they move away from light sources, which is an example of _____________ Flexes Transverse orientation Taxis Kinesis 18. Odonata and Plecoptera orders of Insecta share some interesting similarities in their life cycles. Both orders have _____________ Hematophagous mode of feeding Paleopterous wings Endopterygote development Aquatic Nymphs 19. Honeybee caste determination is primarily influenced by _______________ Nutrition during larval development Nutrition during larval development, regulated by genetics and hormones hormonal control Genetics 20. ___________ order of insects exclusively includes parasites Diptera Lepidoptera Phthiraptera Hymenoptera Loading … Question 1 of 20 Please leave this field emptySubscribe to Get JEAS Updates We’d love to keep you updated with our latest articles and news What’s your name? And your surname? Email Address * We don’t spam! Read our [link]privacy policy[/link] for more info. Thanks for subscribing JEAS updates Check your inbox or spam folder to confirm your subscription.
