entomology Mcqs
151. Toxicant refers to a________________?
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A. Poison

B. Poisonous material

C. None of the Above

D. Both of them

152. The use of all possible control strategies to manage pest population below economic injury level is called________________?
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A. IPC

B. Pest resurgence

C. Pest outbreak

D. IPM
153. Silk is produced by_____________insect ?
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A. Apis cerana

B. Laceifer lacae

C. Apis dorsata

D. Bombyx mori
154. An explosive increase in population of particular species that occurs over a short period of time is called________________?
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A. IPC

B. Pest outbreak

C. Pest resurgence

D. IPM

155. The insect that parasitize the larger animals are called____________________?
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A. Phytophagous parasites

B. None of the Above

C. Entomophagous parasites

D. Zoophagous parasites
156. The arrangement (disposition and number) of bristles or setae on the body and appendages of particular importance in the classification of Diptera and mites:
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A. Chaetotaxy

B. Chela

C. Chitin

D. Both b & c

157. Types of pheromones which alert the insect from any danger known as__________________?
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A. Trial marking pheromone

B. Sex pheromone

C. Alarm pheromone

D. Aggregation pheromone

158. Which insect cause ear splitting plain to some people__________________?
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A. Cicadas

B. Fireflies

C. Silver fish

D. Locust

159. The free living insects that catch and devour smaller or more helpless creatures, usually killing them in getting a single meal is called ?
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A. Predator

B. Prey

C. Parasites

D. Parasitism

160. Mosquitoes, bed bugs are____________________?
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A. transitary Parasite

B. Obligate Parasite

C. Intermitttent Parasite

D. Permanent Parasite

161. It is a substance added to a pesticide to impure the qualities of pesticide formulation is called_________________?
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A. Synergism

B. Adjuvant

C. Agitation

D. Activator

162. Lac is produced by:___________?
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A. Males insect only

B. More by females than males

C. More by males than females

D. Females insect only

163. The living organisms that are usually larger, stronger or more intelligent then the parasite is called____________________?
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A. Parasite

B. Predator

C. Host

D. Pray

164. The chemical used for controlling fish is called__________________?
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A. Pesticide

B. Ovicide

C. herbicide

D. VICIDE

165. Type of pheromone which get together the insects for food and mating is known as________________?
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A. Sex pheromone

B. Alarm pheromone

C. Trial marking pheromone

D. Aggregation pheromone
166. A material which is used to dilute active material is called__________________?
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A. Adhesive

B. Adjuvant

C. Carrier

D. Agitation

167. Any organism which harm or causes damage man directly or indirectly called as________________?
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A. Pest

B. Insect pest

C. none of the above

D. Insect

168. Larvae with both thoracic and abdominal legs is_________________?
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A. Platy form

B. Vermiform

C. Cruciform

D. carabifrom

169. The insect which Parasitizes one species of host is called__________________?
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A. Transitory Parasite

B. Permanent Parasite

C. Intermitted Parasite

D. Obligated Parasite

170. Social behavior present in__________________?
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A. Termites

B. Termites, Ants< bees

C. Ants bees

D. Butterflies

171. The bees are not reared for commercial purpose are called_________________?
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A. Wild bees

B. Domestic bees

C. Wild bees

D. None of the above

172. An insect pest normally present at some time during the growing season that causes the economic damage to a crop is called ?
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A. Key pest

B. Secondary pest

C. Occasional pest

D. Migrant pest

173. Carbamates contains_________________?
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A. Carbon, nitrogen and sulphur

B. Carbon, hydrogen, nitrogen

C. Carbon, hydrogen, nitrogen

D. Carbon, hydrogen

174. Chemical added to pesticide to increase its activity is called________________?
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A. Agitation

B. Adjuvant

C. Synergism

D. Activator
175. The last segment of insect which bears a structure which help during mating is_________________?
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A. Paraproct

B. Acron

C. Somites

D. Subgenital plate

176. What are helpful insects___________________?
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A. Predators, Pollinators, Lac insects

B. Silkworm, Pollinators, Predators, Scavenges

C. Weed killers, scavengers, predator, pollinator, parasites

D. Predators, Pollinators, Parasites, Honey bees

177. Proventriculus also called as___________________?
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A. Crop

B. Esophagus

C. Pharynx

D. Gizzard
178. Which enzyme breaks protein__________________?
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A. Amylase

B. Proteases

C. Carbohydrates

D. Lipases

179. What colour show moderately hazarous_________________?
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A. Brown

B. Red

C. Yellow

D. Blue
180. A mixture included pesticides which decrease the efficiency of each other is called__________________?
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A. None of the Above

B. Potentiating mixture

C. Antagonistic mixture

D. Additive mixture

181. Insect body divided into external grooves called Sutures___________?
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A. Sclerite

B. Acron

C. Sutures

D. Somites

182. The artificial food of Queen is known as_______________________?
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A. Bee bread

B. Royal Jelly

C. Jelly

D. Nectar

183. The insect head is essentially a capsule which encloses the brain and bears the usually external (ectognathous) mouthparts, the eyes and a pair of sensory antennae. The mouth part comprise basic sections as:
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A. An upper lip (labrum), lower (ventral) surface of which forms the epipharynx

B. All of these

C. a tongue-like hypopharynx; the jaws (mandibles)

D. The paired maxillae and a lower lip (labium).

184. The living organisms that are smaller, weaker or less intelligent than be predor is called____________________?
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A. Host

B. Parasite

C. Prey

D. Predator

185. The slow acting pheromones are_________________?
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A. Primers

B. Semio chemicals

C. Releasers

D. Allelo chemicals

186. The parasite which requires only one host for its complete life cycle is called________________?
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A. Entomophagous parasites

B. Monoxenous parasites

C. Zoophagous parasites

D. Phytophagous parasites

187. The insect skeleton is composed of series of plates called__________________?
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A. Somites

B. Sclerites

C. Sutures

D. Conjunctivae

188. Where the most insects are abundant____________________?
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A. temperature region

B. Sub tropical

C. Tropical region

D. None of the above

189. Cotton bollworms, sugarcane borers are_____________?
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A. Major pest

B. Secondary pest

C. I do not agree with above statement

D. Key pest

190. Function of epiculticle in insect is__________________?
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A. Prevent evaporation

B. Impermeability of water and prevent evaporation

C. Rigidly of body parts

D. Impermeability of water

191. Use of living organism to bring down the pest population to sub economic level is called____________________?
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A. Physical control

B. Natural control

C. Cultural control

D. Biological control
192. A type of resistance in which a series of different cultivars of the same crop are infested with a series of different insect biotypes of same species show a differentia interaction is known as_________________?
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A. Vertical resistance

B. Specific resistance

C. Cross resistance

D. Horizontal resistance

193. Photogenic organ are present in____________________?
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A. Flies

B. Fire flies

C. Wasps

D. Honey bee

194. A chemical which inhibits clotting mechanisms of the blood is called __________________?
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A. Acute poisoning

B. Defoliant

C. Chronic poisoning

D. Bait

195. The quality a of a pesticide to remain as an effective residue because of its low volatility and chemical stability is termed as__________________?
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A. Aerosol

B. Desiccant

C. Persistence

D. Defoliant

196. The living organism that live in or on the bodies of other living organisms from which they get their food, during at least one stage of their existence is called________________?
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A. Predator

B. Prey

C. Parasitism

D. Parasites
197. Which hormone cause moulting in insect_________________?
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A. Juvenile

B. None of the above

C. Activation hormone

D. Ecdysone
198. Diazepam is an antidote of_________________?
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A. Carbamte

B. Organophosphate

C. Pyrethorid

D. Organ chlorine
199. Various methods of pest scouting are_________________?
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A. Maryos method

B. Diagonal method

C. All the above

D. Zig zag method

200. Butterflies having wing coupling apparatus is__________________?
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A. Jugum

B. Frenulum

C. Overlapping and Jugum

D. Overlapping