Entomology MCQs Set VIII


The quiz is designed to assess your understanding about the Agriculture Entomology. These MCQss is prepared by the Professors of Agri Entomology department and very much helpful for CSS, PMS, NTS, PPSC, FPSC, SPSC, lecturer, GRE Subject and all other competitive examinations. Choose the best answer from four given options. The answer keys is given at the end of the test


Entomology MCQs Set VIII

Select one option out of four given options

  1. Sitotroga cerealella is commonly known as Angoumois Grain moth as it was first described from the --------------------Province Angoumois in 1736.




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  3. Corcyra cephalonica is a serious pest of stored ------------------




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  5. Optimum temperature require for the best growth of stored insect pests is ----------




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  7. Before storage, moisture contents of the commodity should be------------------




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  9. ----------------- attack the whole grains both before and after harvest.




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  11. ---------------------attack the damaged or broken grain or flour




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  13. ---------------------- is a period in the life cycle when metabolism is reduced to a minimum due to unfavorable conditions.




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  15. At ----------- moisture contents the rates of development of stored grain insect populations are slow




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  17. Family of Indian meal moth is -------------------




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  19. Pygidium is not covered by the elytra of --------------------




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  21. Eggs of -------------------are used for the rearing of various biological control agents




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  23. Unavoidable diapause is ---------------------




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  25. If there is more moisture contents in the stored commodity, ----------will grow on it




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  27. -----------------diapause is only expressed when conditions are unfavorable.




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  29. Adult of ---------------have well developed rostrum




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  31. Maximum of stored grain insect pests belong to order---------------




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  33. Irregular wholes present in the damaged grains is the identification mark of the damage of ---------------




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  35. --------------gas is produced from agtoxin® tablets




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  37. Deltamethrin is a ---------------------------




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  39. Recommended dose of deltamethrin to be applied in a storage structure is




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  41. Recommended dose of Aluminum phosphide to be applied per tone is




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  43. Bostrichidae is the family of




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  45. Azadirachtin is found in




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  47. Botanical name of Sweet Flag is




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  49. A secondary pest is a




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  51. The outer most layer of pericarp or fruit coat is ------------------------




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  53. Method of Expressing moisture in grain:




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  55. A high polymer with non-identical repeating units of amino acids:




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  57. A curve describing the equilibrium relationship of sorbed water and vapor pressure (or relative humidity) at a given temperature is




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  59. The power of insects to reproduce is




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  61. In insects, the organ involved in fertilization to receive & store the sperms after copulation




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  63. Formula of Phosphine is




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  65. Concentration of phosphine to be maintained in a storage structure:




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  67. Plant characteristics that lead insects away from a particular host:




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  69. Antixenosis is a -------------------------word means against or expelling guest




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  71. Semiochemicals which promote communication between members of the same species:




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  73. Defensive chemicals producing negative responses in insects are




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  75. -----------------are advantageous to an insect, promoting host finding, oviposition and feeding




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  77. Type of non preference present in spotted cucumber beetle is




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  79. Factors involved in antibiosis are related to:




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  81. DIMBOA, a cyclic hydroxamic acid is an allelochemic associated with antibiosis is found in




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  83. Gossypols are present in




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  85. Larry P. Pedigo is author of famous book




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  87. Lack of insect infestation, or injury to the host plant because of transitory circumstances such as incomplete infestation is referred as




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  89. Under some circumstances a host may pass through the most susceptible stage quickly or at a time when insect numbers are reduced. Such type of psuedoresistance is known as:




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  91. The term used for temporary increased resistance resulting from some condition of plant or environment is known as:




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  93. A variety which a specific insect never consume or injure under any known condition is a ------------variety




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  95. Level of resistance which cause a variety to show less damage or infestation by insect than the average for the crop under consideration is:




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  97. A variety which shows average or more than average damage by an insect is a -----------------------variety.




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  99. The relative amount of heritable qualities possessed by the plant which influence the ultimate degree of damage done by the insect is known as




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  101. Death of young immatures, reduced growth rate, shortened adult life span etc. are the symptoms of insect affected by ------------------------




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  103. Phenolic compounds produced by plants when they become diseased or are attacked by insects:




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  105. The resistance which depends on environmental conditions is




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  107. ---------- Conditions is a key issue in the Neighborhood and Built Environment domain.




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  109. Different populations of an insect specie that vary in their virulence to a cultivar are referred to as:




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  111. A gene which allows a pest species to overcome resistance and once more attack a plant is




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  113. ------------------ recognize two types of resistance vertical and horizontal resistance.




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  115. The type of resistance which describes cultivars that express resistance against a broad range of genotypes of insects is




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  117. The type of resistance which describes cultivars that express resistance against a one or a few genotypes of insects is




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  119. Oligogenic resistance is also called ------------------------




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  121. The resistance which is conferred by one or only a few gene is




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  123. Polygenic resistance is also called-----------------------------




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  125. The resistance which is conferred by many genes, each contributing to the resistance effect is




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  127. Resistance which is conferred by mutable substances in cell cytoplasm is




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  129. Cytoplasmic inheritance is due to the cytoplasm of the zygote comes from the ------




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  131. Any technique that utilizes living organisms, or substances from those organism to make or modify a product to improve plants or animals or to develop microorganisms for specific uses is known as




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  133. The dose of a toxicant that will kill 50 percent of the test to whish it is administered




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  135. Economic threshold level of insect pest in IPM of stored grains is




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  137. Callosobruchus chinensis L. is the zoological name of :




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  139. Rodents damage to stored food is of




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  141. Oryzophilus surinamensis L. belongs to family:




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  143. Life span of rodents is




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  145. Breeding season in rodents is ------------




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  147. Warfarin is an




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  149. Rattus meltada is




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  151. Lepisma sacharina is the zoological name of




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  153. Adult of silverfish has ------------caudal filaments.




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  155. -------------feeds on glue and starchy materials with its chewing mouthparts.




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  157. House cricket belong to family-----




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  159. American cockroach is known as--------




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  161. Soldier caste is present in




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  163. Psocus lineatus is




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  165. Liposcelidae is the family of ------




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  167. There are ----------nymphal instars




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  169. Carpet beetle belongs to family:




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  171. Lyctus africanus is the zoological name of




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  173. Human flea belongs to order




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  175. Aspergillus flavipus produces ---------------




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  177. A type of apparent host plant resistance in which a particular plant condition or environmental state makes a plant more resistant to pests thatn under other circumstances.




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  179. Asexual life cycle of plasmodium is called




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  181. Erythrocytic cycle of plasmodium occurs inside the




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  183. Musca domestica’s larvae are known as




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  185. Tinea pellionella is commonly known as




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  187. Ants belong to family:




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  189. Sperms enters the egg through an opening in the egg covering called as




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  191. Three layered embryo is called---------




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  193. In parasitic Hymenoptera, more than one embryo are formed through asexual division. The process is know as




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  195. The act of the larvae leaving the egg is called-------------------




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  197. Juvinle Hormone is produced by glands accessory to brain known as




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  199. The ----------------------cycle refers to a single generation each year




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