The specialized auditory organs located in grasshoppers are_________________?
Show answer Hide answer
Answer: B. Tympanal organ
Explanation
Tympanal organs are specialized auditory or hearing structures found in grasshoppers. These membrane-covered cavities detect acoustic vibrations in the surrounding environment. Grasshoppers utilize tympanal organs to perceive predator approach and conspecific mating calls. Tympanal organs in grasshoppers are typically located on the first abdominal segment sides. Sound waves strike the thin tympanal membrane, stimulating underlying chordotonal sensory neurons. Acoustic communication plays a vital role in territorial and reproductive behaviors of orthopterans.
Researchers study insect hearing mechanisms to develop bioacoustic traps and deterrents for pests. Predatory bats emit echolocation calls detected by insect tympanal organs, triggering evasive dives. Understanding auditory perception helps scientists monitor grasshopper behavior in agricultural fields. Johnston’s organ is an antennal mechanoreceptor detecting movement, wind, and sound vibrations. Chorodotonal organ is a general internal stretch receptor found throughout insect bodies. The option none of the above is incorrect because tympanal organ is the correct auditory structure.
- Subject
- Agriculture
- Category
- Agriculture
- Topic
- —
- Difficulty
- medium
Related questions
Q1. A parasite that relies on a single host throughout its entire life cycle is termed________________?
Show answer Hide answer
Answer: A. Monoxenous parasites
Monoxenous parasites complete their entire lifecycle utilizing only a single host species. These specialized organisms cannot survive or reproduce without their specific mandatory host. This exclusive dependency makes mo...
Q2. Parasites requiring multiple or alternate hosts to complete their development are designated ?
Show answer Hide answer
Answer: B. Heteroxenous parasites
Heteroxenous parasites require two or more different host species to complete their developmental cycle. These complex organisms alternate between definitive and intermediate hosts during maturation. This multi-host stra...
Q3. Parasites whose respective hosts are themselves parasites are collectively categorized as___________________?
Show answer Hide answer
Answer: A. Hyperparasites
Hyperparasites are parasitic organisms that parasitize other parasites. This trophic level adds complexity by creating multi-layered parasitic food webs in nature. Hyperparasitism regulates primary parasite populations w...
Q4. The pest density threshold that prompts intervention to preempt populations from reaching the economic injury level is designated_________________?
Show answer Hide answer
Answer: A. Economic threshold level
The economic threshold level is the pest density at which control measures should be applied. Intervening at this threshold prevents populations from reaching the damaging economic injury level. This proactive metric acc...
Q5. A pest species that induces quantifiable reductions in crop yield or quality is classified as_______________?
Show answer Hide answer
Answer: C. Economic pest
An economic pest is any species that causes measurable economic loss to crops or livestock. These organisms reduce harvest yields or degrade quality below profitable commercial standards. The classification links pest fe...
Q6. A parasite capable of successfully infesting a broad array of host species is designated____________________?
Show answer Hide answer
Answer: A. Polyhagous parasites
Polyphagous parasites are capable of successfully exploiting a wide range of different host species. This broad host range allows them to survive across diverse environmental and agricultural conditions. Polyphagous spec...