Agricultural Entomology - Study Mode
[#356] Indundative release is associated with
Correct Answer
(A) Biological control
Explanation
Solution: Indundative release is associated with Biological control. The release of overwhelming numbers of a mass-produced biological control agent in the expectation of achieving a rapid reduction of a pest population without necessarily achieving continuing impact. Inundative biological control involves the massive production and release of natural enemies to control the pest quickly.
[#357] The light producing substance in Glow worm/fire fly is
Correct Answer
(A) Luciferin
Explanation
Solution: The light producing substance in Glow worms/fireflies is Luciferin. Luciferin is the compound that produces light. In a chemical reaction, luciferin is called the substrate. The bioluminescent color (yellow in fireflies, greenish in lanternfish) is a result of the arrangement of luciferin molecules. Some bioluminescent organisms produce (synthesize) luciferin on their own.
[#358] Chewing and biting type of mouth parts are found in
Correct Answer
(D) Bettle
Explanation
Solution: Chewing and biting types of mouth parts are found in Bettle. This type of mouth parts is found in cockroaches, grasshoppers, locusts, termites, wasps, book and bird lice, earwigs, dragonflies and another large number of insects. On the dorsal side there is an upper lip called labrum, which is attached to the base with the clypeus of the face.
[#359] The host plants of locust is
Correct Answer
(A) Polyphagous
Explanation
Solution: The host plant of locusts is Polyphagous. Polyphagous pests are primarily agricultural pests that feed on economically important agricultural and horticultural crops of wide taxonomic diversity across the globe. They cause immense damage across different crop varieties owing to their generalist and voracious food habits. Locust is a polyphagous pest with and wide host range. The nymphs and adults feed on berseem, maize, sorghum, bajra, rice, date palm, banana trees, sugarcane fodder crops, grasses, etc.
[#360] Sorghum shoot fly lays egg on
Correct Answer
(A) Lower surface of leaf blades
Explanation
Solution: Sorghum shoot fly lays an egg on lower surface of the leaf blades. Eggs of shoot fly are cigarette shape, white coloured laid generally singly parallel to the midrib on the undersurface of the 3 rd to 5 th leaf. Under high shoot-fly pressure, there may be several eggs on the same leaf. Sometimes, as many as 25 eggs may be laid on the same seedling.