Agricultural Entomology - Study Mode

[#161] 1 st detailed classification of insect was done by
Correct Answer

(B) Umaswati

Explanation

Solution: 1 st detailed classification of insects was done by Umaswati. The first detailed classification of insects was done by Umaswati (0 - 100 AD). Classification of bees by the Indian physician Charaka (1200 - 1000 BC) and classification of ants, flies and mosquitoes by the surgeon Sushruta (100 - 200 AD) are the evidences for our earliest knowledge about insects.

[#162] Blue disease of cotton is transmitted by
Correct Answer

(A) Aphids

Explanation

Solution: Blue disease of cotton is transmitted by Aphids. Cotton blue disease, also known as cotton leafroll disease, is caused by Cotton leafroll dwarf virus and can result in severe stunting of cotton plants. The virus is transmitted between susceptible cotton varieties by cotton aphids (Aphis gossypii).

[#163] Study of animal behaviour is called as
Correct Answer

(A) Ethology

Explanation

Solution: Study of animal behaviour is called Ethology. Ethology is the scientific study of non-human animal behaviour, usually with a focus on behaviour under natural conditions, and viewing behaviour as an evolutionarily adaptive trait. The term ethology derives from the Greek language, ethos meaning "character" and logia meaning "the study of". The term was first popularized by American myrmecologist William Morton Wheeler in 1902.

[#164] Flared squares (Flare-up) is the damage symptoms of
Correct Answer

(A) Earias vitella

Explanation

Solution: Flared squares (Flare-up) are the damage symptoms of Earias vitella. Earias vittella larvae are brownish with longitudinal white stripes on dorsal side having orange dots on prothorax without finger shaped process on the cream colored body. E. insulana has finger shaped process on at least two thoracic segments and all abdominal segments.

[#165] Epiricania melanoleuca is . . . . . . . . of sugarcane pyrilla.
Correct Answer

(D) Ectoparasitiod

Explanation

Solution: Epiricania melanoleuca is Ectoparasitiod of sugarcane pyrilla. Epiricania melanoleuca is a moth in the family Epipyropidae. It was described by Thomas Bainbrigge Fletcher in 1939. It is found in India, where its larvae are external parasitoids of the sugarcane planthopper (Pyrilla perpusilla). It has been used in biological pest control against this pest.