PRE-BOARD IN CROP PROTECTION b.

Circus
c. Ecdysis
1. Which of the types of insect development d. Spiracles
referred to a complete
a. Paurometabolous 11. Majority of stored product pests belong to
b. Hememetabolous the order
c. Ametometabolous a. Mallophaga
d. Holometabolous b. Coleoptera
c. Diptera
2. Which of the following insect order is d. Odonata
wingless?
a. Lepidoptera 12. Which is a major or key pest of mango?
b. Isoptera a. Black bug
c. Anoplura b. Leafhopper
d. Coleoptera c. Seedling maggot
d. Brown planthopper
3. Which of the following is a major pest of
corn? 13. Mode of action of insecticides?
a. Scotinophara coarctata a. Strangulations
b. Chilo suppresalis b. Decapitation
c. Ostrinia furnacalis c. Neurotoxicant
d. Bruchus sinensis d. Scratching

4. Which of the following insect species is 14. Ability of insects to survive after long
commonly used in genetics studies exposure to insecticides
a. Chiconomoides sp. a. Development of immunity
b. Drosophila melanogaster b. Development of resistance
c. Arabidopsis thaliana c. Development of thick integument
d. Agrobacterium tumefaciens d. Escaping after contact with
insecticide spray
5. Which insect has siphoning mouthparts
a. Grasshoppers 15. Which entity is not an insect pest?
b. Aphids and bugs a. Gnats
c. Skippers b. Ticks
d. Bees c. Flea
d. Flies
6. Identify the item that does not belong
a. Thorax 16. Which of one of the following is not due to
b. Abdomen insect damage?
c. Tympanum a. Annoyance
d. Head b. Miyasis
c. Disorientation
7. Modified legs for digging of the following d. Vectors of plants/animal diseases
insects
a. Rice weevil 17. Insect mouthpart that is not generally cause
b. Grasshopper damage to plants
c. Mole cricket a. Piercing sucking
b. Chewing
8. Typical chewing mouthparts of insects are c. Siphoning
a. Mandibles d. Sponging
b. Tarsal claws
c. Maxilla 18. Process by which insect accommodate
d. Labrum growth
e. Labium a. Stretching of skin
f. Labial pulp b. Ecdysis
c. Metamorphosis
9. Which among the following orders have d. Miyasis
social habits
a. Odonata 19. Physical method of controlling stored
b. Coleopteran product pests by altering the natural air
c. Lepidoptera a. Fumigation
d. HymeNoptera b. Modified atmosphere
c. Fogging
d. Aerosols

10. The breathing organ of insect is

a. Tympanum
20. Considered father of Philippine d. S.A. Manalang
Phytopathology and dean of Filipino Plant
Pathologist 30. First Filipino to describe Philippine insect
a. Gerardo Ocfemia a. Cendana
b. Dioscoro Umali b. Uichanco
c. Leopoldo Uichanco c. Umali
d. Faustino Orillo d. Manalang

21. Discovered the microscope 31. First Filipino trained in biological control of
a. Robert Hooke insects
b. Louis Pasteur a. Cendana
c. H. Robert Kock b. Uichanco
d. Anton de Bary c. Capco
d. Gabriel
22. The causal agent of potato leaf blight which
was responsible for the great Irish famine of 32. Proposed “The Sun Spot Cycle Theory” in
1845. relation to locust outbreaks
a. Phytopthora palmivora a. Cendana
b. Phytopthora parasita b. Uichanco
c. Phytopthora colocasiae c. Capco
d. Phytopthora infestans d. Ela

23. Author of the “Rules of Proof of 33. First Insecticide Toxicologist in the
Pathogenecity” Philippines
a. Robert Hooke a. Sacay
b. Louis Pasteur b. Baltazar
c. H. Robert Kock c. Viado
d. Anton de Bary d. Cagampang

24. Author of the “Germ Theory of Disease” 34. First Filipina with college degree major in
a. Robert Hooke Entomology
b. Louis Pasteur a. Sacay
c. H. Robert Kock b. Baltazar
d. Anton de Bary c. Viado
d. Cagampang
25. First introduced sericulture in the Philippines
a. Digafetta 35. First Filipino Acarologist
b. Father Manuel Galliana a. Baltazar
c. Jose Vasco y Vargas b. Rimando
d. Padre Antonio Sedeno c. Gabriel
d. Sanchez
26. Earliest recorded account of locust swarm in
the Philippines 36. First Filipino Insect Pathologist
a. Palawan a. Baltazar
b. Panay b. Rimando
c. Laguna c. Gabriel
d. Batangas d. Sanchez

27. The Department of Entomology established 37. First discovered viroid as causal agent of
with the UPCA and was first headed by plant disease
a. E.M. Ledyard a. Deiner
b. C. Ludlow b. Y. Doi et al.
c. D.D. Mackle c. A.C. Goheen et al.
d. C.R. Jones
38. First discovered Phytoplasma as causal
28. First to established veterinary entomology agent of plant disease
in the country a. Deiner
a. Mitzmain b. Y. Doi et al.
b. Schultz c. R.E. Davies
c. Merino d. A.C. Goheen et al.
d. Clemente

29. First Filipino Instructor in Entomology 39. First discovered fastidious vascular bacteria
a. L.B. Uichanco as causal agent of plant disease
b. G.O. Ocfemia a. Diener
c. D.L. Umali b. Y. Doi
 c. R.E. Davies a. Streptomyces
d. A.C. Goheen et al. b. Plasmodiophoromycetes
c. Spiroplasma
40. May include pathogenic agents of plant d. Phytoplasma
diseases
a. Flagellate protozoa 51. Not eukaryotic pathogens
b. Fungi and fungi-like organism a. Fastidious vascular bacteria
c. Nematode b. Phytopthora
d. All of the above c. Powdery mildew pathogens
d. Downy mildew pathogens
41. Not a wall less prokaryote
a. Mollicutes 52. Not a character of majority of plant
b. Phytoplasma pathogenic bacteria
c. Spiroplasma a. Rod-shaped
d. Plasmodiophora b. Reproduced by binary fission
c. Gram positive
42. Not an abiotic agent or plant disease d. Flagellated
a. Nutrient excesses
b. Improper use of pesticide and 53. Obligate pathogens
plant growth regulator a. Phytoplasma
c. Toxic plant residues in soil b. Downy mildew pathogens
d. Algae c. Plant viruses
d. Phytopthora infestans
43. Concept of pathogen
a. Infections 54. Not a genus of Phytobacteria
b. Parasitic a. Esherichia
c. Biotic b. Ralstonia
d. All of the above c. Burkholderia
d. Xanthomonas
44. Not a character of obligate pathogen
a. Parasite 55. Causes bacterial wilt of tomato and other
b. Grow in living host plant solanaceous crops, banana, and ginger in
c. Grow on potato dextrose agar the Philippines
d. Transmissible a. Xanthomonas oryzae
b. Ralstonia solanacearum
45. Not a character of a facultative pathogen c. Agrobacvterium tumefaciens
a. Parasite d. Pectobacterium carotovorum pv
b. May grow in plant residues carotovorum
c. Grow on potato dextrose agar
d. Attack human beings 56. Causes common bacterial soft not of
vegetables in the Philippines
46. Not a symptom of plant disease a. Xanthomonas oryzae
a. Hyphae b. Ralstonia solanacearum
b. Leaf spot c. Agrobacterium tumefaciens
c. Root galls d. Pectobacterium carotovorum pv
d. Reduce yield carotovodum

47. Not a sign of plant disease 57. Causes bacterial leaf blight of rice
a. Bacterial cells a. Xanthomonas oryzae
b. Giant cells induced by nematodes b. Xanthomonas campestris
c. Protozoan cells c. Xanthomonas vesicatoria
d. Nematode eggs d. Xanthomonas yectonae

48. Not a sign of fungal or fungal-like pathogens 58. Causes crown gall and is used in genetic
a. Hyphae engineering of plants
b. Conidia a. Xanthomonas oryzae
c. Sclerotia b. Ralstonia solanacearum
d. Galls c. Agrobacterium tumefaciens
d. Pectobacterium carotovorum

49. Not a sign of biotic agents 59. May be colonized by plant pathogenic
a. Cyst bacteria
b. Nymphs a. Xylem
c. Ozone b. Phloem
d. Seeds c. Intercellular spaces
d. All of the above
50. Not a prokaryotes
60. Not a characteristics of plant viruses 70. The term used for the specialization of body
a. Obligate parts as in segmentation is known as
b. Nucleoprotein tagmosis
c. Inhabit intercellular spaces a. True
d. Transmissible b. No
c. Maybe
61. Components of plant viruses d. I don’t know
a. RNA
b. DNA 71. When the mouthparts are directed anteriad,
c. Protein this is known as
d. All of the above a. Prognathous
b. Hypognathous
62.Caused by a plant viroid c. Opisthognathous
a. Cadang-cadang disease of d. Agnathous
coconut
b. Tobacco mosaic 72. The lateral sides of the middle segment of
c. Peanut mottle the insect thorax is known as
d. Citrus decline a. Mesosternum
b. Pleuron
63. Not a morphological shape of plant viruses c. Mesonotum
a. Rigid rods d. Mesopleuron
b. Branched filamentous
c. Bacilliform or bullet-shaped 73. The ventral portion of the thorax and
d. Spheres in chains abdomen is known as
a. Sternum
64. May transmit plant viruses b. Sternites
a. Fungi and fungal-like organisms c. Sternopleuron
b. Insects and mites d. Pleurites
c. Nematodes and dodder plants
d. All of the above 74. The part of the mouthparts without a palpus
a. Labium
65. Plant virus symptoms b. Maxilla
a. Moderate to severe dwarfing c. Mandibles
b. Leaf deformities d. None of the above
c. Flower variegation
d. All of the above 75. The anterior most vein of an insect forewing
is
66. Not a type of plant viruses according to a. Jugum
persistence in their insect vector b. Costa
a. Non persistent c. Anal
b. Invasive viruses d. Radial
c. Circulative viruses
d. Propagative viruses 76. Nephotettix virescens belong to the
suborder
67. The author of the milestones of Philippine a. Hemiptera
Entomology is b. Heteroptera
a. Antonio S. Sedeno c. Homoptera
b. Julio C. Martinez d. Phthiraptera
c. Emiliana N. Bernardo
d. Bernardo P. Gabriel 77. All hexapodans have 6 legs
a. Yes
68. An airplane was utilized in the control of b. No
migratory locust in 1925 here in the c. Probably
Philippines d. Not sure
a. False
b. True 78. The thrips belong to this order
c. Maybe a. Embiina
d. I don’t know b. Megaloptera
c. Trichoptera
69. The 1st monographic treatment of Philippine d. Thysanoptera
mosquitoes by Delfinado in 1966 include all
genera except 79. Human louse’s life cycle is
a. Malaria a. Paurometabola
b. Anopheles b. Hemimetabola
c. Aedes c. Ametabola
d. Culex d. Holometabola
80. Naiad is a part of this metamorphosis 90. Not a taxon of plant parasitic nematodes
a. Ametabola a. Kingdom: Protozoa
b. Hemimetabola b. Class: Nematoda
c. Paurometabola c. Order: Tylenchida
d. Holometabola d. Genus Meliodogyne

81. Nymph is a part of this metamorphosis 91. Not a character of plant parasitic nematodes
a. Ametabola a. Obligate parasites
b. Hemimetabola b. Feed on fungi, bacteria
c. Paurometabola c. Majority are eel-shaped or worm-
d. Holometabola like
d. Possess stylet
82. The actual appearance of the insect after
molting 92. Not a characteristics of a root-feeding
a. Ecdysis nematode
b. Exuvium a. Feed on roots, bulbs, and rhizome
c. Stadia b. Possess stylet
d. Instar c. Cause of death of plants, as a
typical symptom
83. Spermatheca is found in the male’s insect’s d. Prefer sandy soil texture
reproductive system
a. No 93. Not a kind or type of root feeding
b. Yes nematodes
c. Probably a. Endoparasites
d. Not sure b. Ectoparasites
c. Semi-ecto/semi-endoparasites
84. Cockroaches belong to this insect order d. Necrotrophic parasite
a. Phasmatodea
b. Mantodea 94. Number of molting in plant parasitic
c. Orthoptera nematodes
d. Blattodea a. 1
b. 2
85. Houseflies and mosquitoes are c. 3
a. Strepsipterans d. 4
b. Dipterans
c. Neuropterans 95. Infective stage of root knot nematode
d. Coleopterans a. First stage juveniles
b. Second stage juveniles
86. This wing type belongs to Orthopterans c. Third stage juveniles
a. Membranous d. Fourth stage juveniles
b. Elytron
c. Hemyletron 96. Causes root galls on tomatoes and other
d. Tegmen crops
a. Meloidogyne incognita
87. The type of metamorphosis for b. Radopholus similes
exopterygotes can be as follows except c. Globodera pallida
a. Holometabola d. Criconomoides sp.
b. Paurometabola
c. Hemimetabola
d. None of the above

97. Called the burrowing nematode and caused

88. The type of metamorphosis for the “toppling disease of bananas”
endopterygotes is a. Meloidogyne incognita
a. Holometabola b. Radopholus similes
b. Paurometabola c. Globodera pallida
c. Ametabola d. Criconomoides sp.
d. None of the above
98. Called the Golden Cyst nematode of Irish
89. Not a method of plant virus diseases potato
diagnosis a. Meloidogyne incognita
a. Enzyme-linked immuno-sorbent b. Globodera pallida
assay c. Radopholus similes
b. Use of indicator plants d. Criconomoides sp.
c. Culture of nutrient media
d. Serology 99. Not a typical nematode disease symptoms
a. Chlorosis
 b. Wilting during hot part of the day a. Intercellular
c. Reduction in the root system and b. Intracellular
root gall c. Inter- and intracellular
d. Leaf mosaic d. All of the above

100. Not a method of isolating plant parasitic soil 110. Not a sexual process in fungi
nematodes a. Paleontology
a. Baermann funnel technique b. Plasmogamy
b. Sieving method c. Karyogamy
c. Centrifugal flotation method d. Meiosis
d. Trapping technique
111. Not a sexual spore of fungi or fungal-like
101. Not a fungi organisms
a. Rusts a. Ascospore
b. Smuts b. Zygospore
c. Mushrooms c. Basidiospore
d. Algae d. Meiospore

102. Causes corn downy mildew 112. Not a type of nutritional relationship of plant
a. Peronosclerospora pathogenic fungi with their hosts
philippinensis a. Commensal pathogen
b. Hemeleia vastatrix b. Necrotrophic parasite
c. Magnaporthe grisea c. Invasive parasite
d. Colletotrichum glocosporoides d. Biotrophic parasite

103. Causes coffee rust 113. Not part of Kock’s Rule of Postulate of Proof
a. Peronosclerospora philippinensis of Pathogenicity
b. Hemeleia vastatrix a. Establish constant association of
c. Magnaporthe grisea pathogen with disease
d. Colletotrichum glocosporoides b. Survey for alternate host
plants
104. Causes rice blast c. Isolate and grow pathogen into
a. Peronosclerospora philippinensis pure culture
b. Hemeleia vastatrix d. Inoculate pure culture of
c. Magnaporthe grisea pathogen on healthy host
d. Colletotrichum glocosporoides
114. Changes in plant pathogens maybe in:
105. Causes mango anthracnose a. Pathogenicity
a. Peronosclerospora philippinensis b. Resistance to chemicals
b. Hemeleia vastatrix c. Growth rate; spore productivity
c. Magnaporthe grisea d. All of the above
d. Colletotrichum
glocosporoides 115. Concept of recombination includes:
a. All of below
106. Common cause of damping-off of b. Happens in all sexually
vegetables in the Philippines reproducing organisms
a. Pythium spp. c. May occur during meiotic or
b. Phytopthora infestans mitotic cell division
c. Bipolaris maydis d. Occurs during metaphase
d. Fusarium moniliforme
116. Termites have this type of mouthparts
107. Not a characteristic of true fungi a. Chewing type
a. Eukaryotic b. Piercing-sucking type
b. No chlorophyll c. Sponging type
c. Cell wall composition is cellulose d. Siphoning type
d. Majority non-motile; some have
motile reproductive cell 117. Thysanopterans have this type of
mouthparts
108. May be a part of a germinating conidium of a. Piercing-sucking
a pathogenic fungus b. Sucking
a. Germ tube c. Rasping-sucking
b. Appresorium d. Chewing lapping
c. Infection peg
d. All of the above 118. Adult moths and butterflies have this type of
mouthparts
109. Colonization of plant tissues by hyphae a. Chewing type
could be b. Siphoning type
 c. Sponging type 128. The 1st segment of the insect leg is
d. Chewing lapping type a. Coax
b. Trochanter
119. Bees and wasps have this type of c. Femur
mouthparts d. Tibia
a. Chewing type
b. Siphoning type 129. Legs of insects adapted for swimming
c. Sponging type a. Ambulatory
d. Chewing lapping type b. Fossorial
c. Saltatorial
120. These are elongated, segmented structures d. Natatorial
of varying designs and are used for sensory
purposes 130. Type of legs of insects modified for grabbing
a. Ocelli and holding prey
b. Tympanum a. Fossorial
c. Thorax b. Raptorial
d. Antennae c. Saltatorial
d. Apedons
121. The characteristic mode of life of a species
or its place in the environment, its relation 131. The following are non-insect hexapods
to food, enemies, etc. except
a. Oviparity a. Order Archeognatha
b. Insect ecology b. Order Protura
c. Habitate c. Order Collembola
d. Niche d. Order Diplura

122. In identification of insects, Family names 132. The newest insect order is
always end in a. Heteroptera
a. –oidea b. Mallophaga
b. –idea c. Mantophasmatodea
c. –pteroidea d. Anoplura
d. –ptera
133. Cockroaches belong to this Order-
123. Insects belong to this order are short-lived BLattodea
and die in 1-2 days a. Orthoptera
a. Collembolla b. Dermaptera
b. Diplura c. Homoptera
c. Odonata d. Coleoptera
d. Ephemeroptera
134. Genus of Honeybees
124. The 1st (basal) segment of the insect a. Aphis
antennae is b. Apis
a. Scape c. Muscu
b. Pedicel d. Elsinoe
c. Flagellum
d. Flagellomeres
135. Transmit the grassy and rugged stunt virus
125. Housefly and Syrphidfly has this type of a. Nephotettix virescens
antennae b. Nephotettix nigropictus
a. Geniculate c. Nilaparvata lugens
b. Plumose d. Nilaparvata nigropictus
c. Aristate
d. Stylate 136. Yellow stemborer
a. Chilo suppressalis
126. Dragonflies and damselflies has this type of b. Scirpophaga innotata
antennae c. Sesamia inferens
a. Setaceous d. Scirpophaga incertalas
b. Filiform
c. Monoliform 137. The most damaging pest of corn
d. Serrate a. Ostrinia furnucalis
b. Ostrinia furnicalis
127. Click beetles have this type of antennae c. Ostrinia furnacalis
a. Filiform d. Ostrinia fornacalis
b. Monoliform
c. Pectinate 138. The following are pest of stored grains
d. Clubbed except
a. Euchrysops onejus
 b. Sitophilus oryzae
c. Sitophilus zeamais 148. Sweet potato is the host plant of Cylas
d. Corcyra cephalonica formicarius commonly known as
a. Sweet potato weevil
139. Immatures of this insects bore into the roots b. Sweet potato sphinx moth
and adult scrape the epidermis of leaves c. Sweet potato fly
giving it a shredded appearance d. Gabi sphinx moth
a. Crocidolomia binotalis
b. Aulocophora indica
c. Epilachna philippinensis
d. Spodoptera litura

140. Major pest of eggplant

a. Epilachna philippinensis
b. Leucinodes orbinalis
c. Dysdercus cingulatus
d. Helicoverpa armigera

141. Which among the following weed species is

a perennial grass?
a. Cenchrus echinatus
b. Echinochloa colona
c. Imperata cylindrical
d. Rottboellia cochinchinensis

142. Which among the following weed species

reproduces by seed alone?
a. Commelina diffusa
b. Chromolaena odorata
c. Pistia stratiotes
d. Synedrella nodiflora

143. Which among the following weeds are

spread easily by wind?
a. Echinochloa glabnescens
b. Mimosa pudica
c. Tridax procumbens
d. Sphenoclea zeylanica

144. Adults bore through cabbage and legless

larvae feed on the soft bud of the coconut
resulting on the destruction of the whole
crown. Asiatic Palm Weevil is also known as
a. Cosmopolites sordidus
b. Erionata thrax
c. Rhynchophorus ferrugineus
d. Oryctes rhinoceros

145. Sheath blight of rice and corn is caused by

a. Helminthosporium maydis
b. Rhizoctonia solani
c. Cercospora cruenta
d. Cercosporidium personatum

146. Concept that explains the step-wise

evolution of virulence and resistance
a. Hybridization
b. Parasexual process
c. Gene-for-gene
d. Cytoplasmic

147. Agromyzid fly is an example of an insect

that
a. Skeletonizes the leaves
b. Destroy growing buds
c. Tunnel in the stem
d. Mines in the leaf tissues