Agricultural Entomology - Study Mode

[#451] Which is known as 'Hump backed flies'?
Correct Answer

(D) Phoridae

Explanation

Solution: Phoridae is known as 'Humpbacked flies'. The Phoridae are a family of small, hump-backed flies resembling fruit flies. Phorid flies can often be identified by their escape habit of running rapidly across a surface rather than taking to the wing. This family, also known as humpbacked flies and scuttle flies (4000 species), is another group that exploits a wide range of habitats and exhibits diverse feeding habits.

[#452] Wasp venom contains
Correct Answer

(B) Serotonin

Explanation

Solution: Wasp venom contains Serotonin. Wasp venom share several biologically active proteins and neurotransmitters, such as phospholipases A 2 and B, hyaluronidase, serotonin, histamine, dopamine, noradrenaline and adrenaline. These proteins can cause type 1 hypersensitive reactions ranging from local skin irritation to anaphylactic shock. Furthermore, the toxins can cause direct organ injury or delayed hypersensitivity reactions.

[#453] Homomorphism is seen in
Correct Answer

(D) Both B and C

Explanation

Solution: Homomorphism is seen in Cowbug and Membracidae. Homomorphism is a similar appearance of two unrelated organisms or structures without an actual relationship, in structure or origin. The family Membracidae, is a group of insects related to the cicadas and the leafhoppers. These may be serial homologues of insect wings, which are dorsal appendages of the second and/or third thoracic segments.

[#454] Corpora codiaca secretes the following in insect
Correct Answer

(A) Hormone

Explanation

Solution: Corpora codiaca secretes the Hormone in insect. The neurosecretory cells and the corpus cardiacum, a transformed ganglion closely associated with the heart, produce a peptide, called the prothoracicotropic hormone (PTTH), which stimulates the prothoracic gland to produce ecdysone, a sterol hormone. CC is the major neurohemal organ in insects and releases a large number of neuropeptides.

[#455] Father of Acridology is
Correct Answer

(B) Uravov

Explanation

Solution: The Father of Acridology is Uravov. Sir Boris Petrovitch Uvarov was a Russian-British entomologist best known for his work on the biology and ecology of locusts. He has been called the father of acridology. Acridology is the scientific study of grasshoppers and locusts.