Agricultural Entomology - Study Mode

[#196] Who is the father of biological control?
Correct Answer

(B) Paul DeBach

Explanation

Solution: Paul DeBach is the father of biological control. The “father” of modern biological control, Professor Harry Scott Smith, defined it as the use of natural enemies (whether introduced or otherwise manipulated) to control insect pests. He was an American entomologist who was a specialist in biological control. He wrote the influential book Biological Control by Natural Enemies first published in 1974 which went through several editions and helped in the development of the field of biological control.

[#197] Number of insect order by common entomologist is
Correct Answer

(D) 29

Explanation

Solution: The number of insect orders by common entomologists is 29. The twenty-nine insect orders are the key to identifying and understanding insects. The insect orders begin with the most primitive wingless insects and end with the insect groups that have undergone the greatest evolutionary change. The major orders of insects are Odonata, Orthoptera, Blattodea, Mantodea, Isoptera, Hemiptera, Thysanoptera, Phthiraptera, Neuroptera, Coleoptera, Diptera, Lepidoptera and hymenoptera.

[#198] Vector RH-787 is used as
Correct Answer

(C) Rodenticide

Explanation

Solution: Vector RH-787 is used as Rodenticide.

[#199] Chlorpyriphos methyl + deltamethrin is . . . . . . . .
Correct Answer

(C) Storicide II

Explanation

Solution: Chlorpyriphos methyl + deltamethrin is Storicide II. Storcide II (chlorpyrifos-methyl + deltamethrin) is registered for use on small grains (barley, oats, rice, sorghum and wheat). Storcide II is targeted as the replacement product for Reldan 4E and the original Storcide. It is effective against a broad spectrum of stored grain pests, including lesser grain borer.

[#200] Safest chemical for honey bee is
Correct Answer

(C) Endosulphan

Explanation

Solution: Safest chemical for honey bees is Endosulphan. Endosulfan is an off-patent organochlorine insecticide and acaricide that is being phased out globally. It has been used globally as a pesticide since the 1950s to control a variety of insects including whiteflies, aphids, leafhoppers, Colorado potato beetles, and cabbage worms. Endosulfan was very much safer for honeybees than the two organophosphate insecticides.