Agricultural Entomology - Study Mode

[#316] Striped eye theory was given by
Correct Answer

(B) Roonwal

Explanation

Solution: The striped eye theory was given by Roonwal. Eye stripes and other pigment patterns in the compound eyes of grasshoppers were called to their physiological, biological, and applied importance by Roonwal that work was accelerated in some species, e.g., the Desert Locust, Schistocerca gregaria, eye-stripes are excellent indicators of polymorphism and population flux.

[#317] Pertrophic membrane is present in
Correct Answer

(B) Mid gut

Explanation

Solution: Peritrophic membrane is present in Midgut. The peritrophic membrane (PM) is an anatomical structure surrounding the food bolus in most insects. The peritrophic membranes are formed by secretion of the midgut epithelium. They consist of a network of chitin-containing microfibrils embedded in a matrix of proteins, glycoproteins, and proteoglycans. The thickness of the peritrophic envelope is 280 nm.

[#318] Following is an example of high volume sprayer
Correct Answer

(B) Foot sprayer

Explanation

Solution: A foot sprayer is an example of high volume sprayer. High volume sprayer provides more than 400 litres /ha, Low volume sprayer (5 to 400 litres/hectare) Ultra low volume sprayer (ULV) spray (less than 5 litres/hectare). The foot sprayer is one of the ideal and versatile sprayers used for multipurpose spraying jobs. The sprayer consists of a pump operated by the foot lever, suction hose with strainer, delivery hose, spray lance fitted with shut off pistol valve, gooseneck bend and adjustable nozzles.

[#319] Indian mole rat is zoologically known as
Correct Answer

(C) Bandicota bengalensis

Explanation

Solution: Indian mole rat is zoologically known as Bandicota bengalensis. The lesser bandicoot rat, Sindhi rice rat, Bengal rat, or Indian mole-rat (Bandicota bengalensis) is a giant rat of Southern Asia, not related to the true bandicoots which are marsupials. Bandicota bengalensis (Indian Mole Rat) is a species of rodent in the family of murid rodents. They are found in the palearctic and the indo-malayan realm. They are solitary omnivores. Individuals can grow to 47 mm.

[#320] Fore wings possess a well developed area "Embolium" in
Correct Answer

(B) Anthocoridae

Explanation

Solution: Fore wings possess a well-developed area "Embolium" in Anthocoridae. Embolium is a narrow piece on the costal margin of the corium of the wings of certain true bugs. An outer or marginal part of the corium is found in the hemelytra of certain heteropterous insects.