Explanation:Carol Linnaeus is known as the Father of Taxonomy for establishing the system of binomial nomenclature and the hierarchical classification system.
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2In which year was the 10th edition of Systema Naturae published, which serves as the starting point for zoological nomenclature?
A.1735
B.1758
C.1859
D.1901
Correct Answer: 1758
Explanation:The 10th edition of Systema Naturae, published in 1758, is widely accepted as the starting point of zoological nomenclature.
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3According to the rules of Binomial Nomenclature, how should a scientific name be written?
A.Genus species
B.Genus Species
C.genus species
D.GENUS SPECIES
Correct Answer: Genus species
Explanation:The Genus name starts with an uppercase letter, the species name starts with a lowercase letter, and both should be italicized (or underlined if handwritten).
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4Which suffix is standardized for Family names in zoological classification?
A.-inae
B.-oidea
C.-idae
D.-ini
Correct Answer: -idae
Explanation:In zoological nomenclature, the suffix -idae denotes a Family (e.g., Acrididae), while -inae is for Subfamily and -oidea is for Superfamily.
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5What is the correct definition of a 'Biotype'?
A.A population capable of interbreeding.
B.A group of individuals with identical morphology but different physiological traits.
C.A group of individuals geographically isolated.
D.A hybrid between two species.
Correct Answer: A group of individuals with identical morphology but different physiological traits.
Explanation:Biotypes are populations within a species that are morphologically identical but show distinct physiological differences, often in host plant preference or resistance to pesticides.
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6A single specimen designated as the name-bearing type of a species when it was established is called a:
A.Syntype
B.Paratype
C.Holotype
D.Lectotype
Correct Answer: Holotype
Explanation:A Holotype is the single specimen designated by the author as the type of a species at the time of the original publication.
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7Which of the following is the correct hierarchical order of classification?
A.Kingdom, Class, Phylum, Order, Family, Genus, Species
B.Kingdom, Phylum, Class, Family, Order, Genus, Species
C.Kingdom, Phylum, Class, Order, Family, Genus, Species
D.Kingdom, Class, Order, Phylum, Family, Genus, Species
Correct Answer: Kingdom, Phylum, Class, Order, Family, Genus, Species
Explanation:The standard hierarchy is Kingdom Phylum Class Order Family Genus Species.
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8Which subclass of Insecta consists of primitively wingless insects?
A.Pterygota
B.Apterygota
C.Exopterygota
D.Endopterygota
Correct Answer: Apterygota
Explanation:The subclass Apterygota includes insects that are primitively wingless (their ancestors never had wings), such as silverfish.
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9Insects that undergo incomplete metamorphosis and develop wings externally are classified as:
A.Endopterygota
B.Exopterygota
C.Holometabola
D.Ametabola
Correct Answer: Exopterygota
Explanation:Exopterygota (or Hemimetabola) refers to insects where the wings develop externally on the nymph, as opposed to Endopterygota where wings develop internally during the pupal stage.
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10Which family belongs to the order Orthoptera and is commonly known as 'Short-horned grasshoppers'?
A.Gryllidae
B.Tettigoniidae
C.Acrididae
D.Gryllotalpidae
Correct Answer: Acrididae
Explanation:Acrididae are short-horned grasshoppers, distinguished by their relatively short antennae compared to Tettigoniidae (long-horned grasshoppers).
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11The ovipositor of the family Tettigoniidae is typically describe as:
A.Short and valvular
B.Sword-like (Ensiform)
C.Needle-like
D.Absent
Correct Answer: Sword-like (Ensiform)
Explanation:Females of the family Tettigoniidae (Katydids/Long-horned grasshoppers) possess a long, sword-like or ensiform ovipositor.
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12Fossorial (digging) forelegs are a characteristic feature of which Orthopteran family?
A.Acrididae
B.Gryllotalpidae
C.Gryllidae
D.Tettigoniidae
Correct Answer: Gryllotalpidae
Explanation:The family Gryllotalpidae (mole crickets) possess modified fossorial forelegs adapted for digging in soil.
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13The order Dictyoptera typically includes which two groups?
A.Cockroaches and Mantids
B.Grasshoppers and Crickets
C.Termites and Ants
D.Beetles and Weevils
Correct Answer: Cockroaches and Mantids
Explanation:Dictyoptera is a superorder (or order) that generally encompasses Mantodea (Mantids) and Blattodea (Cockroaches). Note: Isoptera is now often placed within Blattodea, but traditionally Dictyoptera groups mantids and roaches.
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14Raptorial forelegs used for grasping prey are the diagnostic feature of which family?
A.Blattidae
B.Mantidae
C.Gryllidae
D.Acrididae
Correct Answer: Mantidae
Explanation:Mantidae (Mantids) possess raptorial forelegs with spines on the femur and tibia to grasp prey.
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15Which of the following describes the head position of insects in the family Blattidae?
A.Prognathous
B.Hypognathous and concealed by pronotum
C.Opisthognathous
D.Entognathous
Correct Answer: Hypognathous and concealed by pronotum
Explanation:Cockroaches (Blattidae) have a hypognathous head that is largely concealed from above by an expanded shield-like pronotum.
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16The immature stages of Odonata are aquatic and are technically referred to as:
A.Larvae
B.Maggots
C.Naiads
D.Caterpillars
Correct Answer: Naiads
Explanation:The aquatic nymphs of Odonata (Dragonflies and Damselflies) are specifically called Naiads.
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17What is the function of the modified labium in Odonata naiads?
A.Filter feeding
B.Prey capture (Mask)
C.Respiration
D.Digging
Correct Answer: Prey capture (Mask)
Explanation:The labium in Odonata naiads is modified into a prehensile 'mask' with hooks to shoot out and capture prey.
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18Termites belong to the order Isoptera. Which family is the largest and contains the higher termites?
A.Kalotermitidae
B.Rhinotermitidae
C.Termitidae
D.Mastotermitidae
Correct Answer: Termitidae
Explanation:Termitidae is the largest family of termites, comprising the 'higher termites' which often cultivate fungus gardens.
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19What is the condition of wings in reproductive termites (alates) after the nuptial flight?
A.They enlarge
B.They are shed (deciduous)
C.They fold under elytra
D.They become hard
Correct Answer: They are shed (deciduous)
Explanation:After the nuptial flight and pairing, the reproductive termites break off their wings along a basal fracture line.
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20The wings of insects in the order Thysanoptera (Thrips) are described as:
A.Scaly
B.Membranous with many veins
C.Fringed with long hairs
D.Hardened elytra
Correct Answer: Fringed with long hairs
Explanation:Thysanoptera means 'Fringe wing'. Their wings are narrow and fringed with long marginal hairs.
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21What type of mouthparts do Thripidae possess?
A.Piercing-sucking (Symmetrical)
B.Rasping-sucking (Asymmetrical)
C.Chewing-lapping
D.Sponging
Correct Answer: Rasping-sucking (Asymmetrical)
Explanation:Thrips have unique asymmetrical mouthparts where the right mandible is vestigial or absent, utilized for rasping and sucking plant juices.
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22In the order Hemiptera, the basal half of the forewing is thickened and the apical half is membranous. This type of wing is called:
A.Tegmina
B.Elytra
C.Hemelytra
D.Haltere
Correct Answer: Hemelytra
Explanation:Hemelytra (singular: Hemelytron) is the characteristic forewing of the suborder Heteroptera (True bugs) within Hemiptera.
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23Which Hemipteran family is commonly known as 'Stink bugs' or 'Shield bugs'?
A.Coreidae
B.Pentatomidae
C.Miridae
D.Lygaeidae
Correct Answer: Pentatomidae
Explanation:Pentatomidae are known as stink bugs. They typically have a five-segmented antennae and a broad, shield-like body shape.
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24The 'Red Cotton Bug' (Dysdercus cingulatus) belongs to which family?
A.Lygaeidae
B.Pyrrhocoridae
C.Cimicidae
D.Coreidae
Correct Answer: Pyrrhocoridae
Explanation:The Red Cotton Bug belongs to the family Pyrrhocoridae. They are often distinguished from Lygaeidae by the absence of ocelli.
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25Which family includes the 'Leaf-footed bugs', often characterized by an expanded hind tibia?
A.Coreidae
B.Pentatomidae
C.Reduviidae
D.Cicadellidae
Correct Answer: Coreidae
Explanation:Coreidae are known as leaf-footed bugs due to the leaf-like expansions often found on the hind tibiae.
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26Bed bugs, which are temporary ectoparasites on warm-blooded animals, belong to the family:
A.Reduviidae
B.Cimicidae
C.Anthocoridae
D.Tingidae
Correct Answer: Cimicidae
Explanation:Cimicidae is the family containing bed bugs. They are wingless, flattened, and parasitic.
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27A distinguishing feature between Lygaeidae and Pyrrhocoridae is:
A.Lygaeidae have ocelli; Pyrrhocoridae do not.
B.Pyrrhocoridae have ocelli; Lygaeidae do not.
C.Lygaeidae are aquatic.
D.Pyrrhocoridae have chewing mouthparts.
Correct Answer: Lygaeidae have ocelli; Pyrrhocoridae do not.
Explanation:Both families look similar (often red/black), but Lygaeidae possess ocelli, while Pyrrhocoridae lack them.
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28Which family of Homoptera is characterized by having a double row of spines on the hind tibia?
A.Cercopidae
B.Cicadellidae
C.Delphacidae
D.Membracidae
Correct Answer: Cicadellidae
Explanation:Cicadellidae (Leafhoppers) are distinguished by one or more rows of small spines extending the length of the hind tibiae.
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29The presence of a large, mobile, spur-like spine (calcar) at the apex of the hind tibia is diagnostic for:
A.Cicadellidae
B.Delphacidae
C.Aphididae
D.Psyllidae
Correct Answer: Delphacidae
Explanation:Delphacidae (Planthoppers) possess a characteristic large, movable spur (calcar) at the distal end of the hind tibia.
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30Which structure is characteristic of the family Aphididae, used for excreting alarm pheromones?
A.Cerci
B.Cornicles (Siphunculi)
C.Furcula
D.Collophore
Correct Answer: Cornicles (Siphunculi)
Explanation:Aphids possess a pair of tube-like structures on the dorsal abdomen called cornicles or siphunculi.
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31Mealybugs, which are covered in a powdery waxy secretion, belong to the family:
A.Coccidae
B.Pseudococcidae
C.Diaspididae
D.Aleurodidae
Correct Answer: Pseudococcidae
Explanation:Pseudococcidae is the family of mealybugs, named for the mealy or powdery wax covering their bodies.
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32The family Coccidae is commonly referred to as:
A.Armored scales
B.Soft scales
C.Mealybugs
D.Whiteflies
Correct Answer: Soft scales
Explanation:Coccidae are the soft scales. Their body wall is often tough but not covered by a separate removable shield like the armored scales (Diaspididae).
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33Which family consists of minute insects resembling tiny moths, known as 'Whiteflies'?
A.Aphididae
B.Aleurodidae
C.Psyllidae
D.Aleyrodidae
Correct Answer: Aleurodidae
Explanation:Aleurodidae (or Aleyrodidae) are the whiteflies. Adults have wings covered in white waxy powder.
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34The 'vasiform orifice' is a diagnostic taxonomic character found in the dorsal part of the last abdominal segment in:
A.Aphids
B.Whiteflies (Aleurodidae)
C.Scales
D.Thrips
Correct Answer: Whiteflies (Aleurodidae)
Explanation:The vasiform orifice is a key identification feature found on the puparium (last nymphal instar) of Aleurodidae.
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35The Sugarcane Leafhopper, Pyrilla perpusilla, belongs to the family:
A.Lophophidae
B.Cicadellidae
C.Delphacidae
D.Cercopidae
Correct Answer: Lophophidae
Explanation:Pyrilla perpusilla is a major pest belonging to the family Lophophidae within the Fulgoroidea superfamily.
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36Green Lacewings, which are important biological control agents, belong to the family:
A.Myrmeleontidae
B.Chrysopidae
C.Mantispidae
D.Hemerobiidae
Correct Answer: Chrysopidae
Explanation:Chrysopidae are the green lacewings. Their larvae are voracious predators of aphids.
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37The larvae of Chrysopidae are commonly known as:
A.Antlions
B.Aphidlions
C.Wireworms
D.Grubs
Correct Answer: Aphidlions
Explanation:Chrysopidae larvae feed extensively on aphids and soft-bodied insects, earning them the name Aphidlions.
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38A unique feature of Chrysopidae eggs is that they are:
A.Laid in an ootheca
B.Laid individually on long stalks
C.Inserted into plant tissue
D.Dropped in water
Correct Answer: Laid individually on long stalks
Explanation:Green lacewing eggs are typically laid at the end of long, hair-like stalks to prevent cannibalism by hatching larvae.
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39What type of metamorphosis is exhibited by the order Neuroptera (e.g., Chrysopidae)?