問題一覧
1
He invented the microscope
Rebort Hooke
2
Bactrocera dorsalis isa pest of this fruit crop
mango
3
Which of the following pests is not an arthropod?
golden Apple snail
4
The third segment of the dorsal part of abdomen is
T3
5
Nematode species that require the presence of both male and Females for reproduction to Occur
amphimictic
6
Which of the following rice pests possesses chewing type of Mouthparts during the destructive stage?
stemborer
7
The component of a pesticide that act as surface active agents
surfactant
8
Human louse!’s life cycle is
ametabola
9
The anteriomost vein of an insect forewing is
Costa
10
A weed considered as a true-parasite
Cuscuta sp
11
The term that collectively describes the effects of both competition And allelopathy
interference
12
How many categories of pesticides are there based on toxicity?
4
13
This method involves manipulation of the cultural management Practices to suppress the weeds
cultural
14
This is not a morphological shape of plant viruses
Branched filamentous
15
Which is not a district characteristic of Class Loculoascomycetes of Fungi
A single-walled ascus
16
Considered father of Philippine phytopathology and dean of Filipino Plant pathologists
Gerardo Ocfemia
17
IPM employs a variety of tactics, and the least type of method that Could be used is
chemical method
18
These pathogens are commonly disseminated by insects
Ultramicroscopic, obligately parasitic entities that are made up of a nucleic acid core and a protein coat
19
Includes all adverse effects exeted by the plant in the insects Survival, development and reproduction
antibiosis
20
This group of insecticides inhibits the cholinesterase enzyme of Insect pests
Carbamates
21
Nymph is a part of this metamorphosis
paurometabola
22
Major weeds of crops deposited in the soil seedbank are estimated
70-90%
23
Nematodes possessing both functional male and female Reproductive organs
hermaphroditic
24
The chemical family to which 2,4-D belongs
phenoxy
25
Which among the following may transmit plant viruses
All of the choices
26
The causal agent of soft rot of vegetables is
Pectobacterium carotovorum
27
This is the outer non-cellular layer covering the nematode body And is shed-off during molting
cuticle
28
Proposed “The Sun Spot Cycle Theory” in relation to locust Outbreaks
Uichanco
29
The Pterygote insects include the following except
Odonata
30
Water management can be categorized under all methods of Control except
chemical control
31
The Formae specialis isa sub-specific classification of fungi, which is based on
ability to attack different genera of crop plants
32
These are nematodes which produce eggs that hatch after being Laid
oviparous
33
Which of the following is not typical of nematode injury to plants
death of plant
34
This is the component of plant viruses
All of the choices
35
Macroconidia and microconidia are formed by
Fusarium spp.
36
This refers to the sequence of events that leads to and is involved In the production of disease
Disease cycle
37
The hairy membranous outgrowth in between leafs heat and leaf Blade in grasses is called
Ligule
38
The term used for non-resident pests is
migrant
39
The corn disease incited by Bipolaris maydis may be controlled by
fungicides
40
He was the first Filipino Acarologist who spearheaded the research On mites in the Philippines in 1961
L.C. Rimando
41
The typical life cycle of Meloidogyne incognita
sedentary endoparasite
42
Herbicides with the blue band belong to what category?
3
43
A feeding structure that distinguishes plant parasitic from non- Plant parasitic nematodes
stylet
44
This is not a method of plant virus diseases diagnosis.
Culture of nutrient media
45
Author of the “Germ Theory of Disease”
Louis Pasteur
46
A cultural practice against pest utilized to enhance the activities And survival of natural enemies
habitat diversification
47
This occurs when the pathogen has become established in the Plant tissues and obtains nutrients from the host
Infection
48
A disease caused by a plant viroid
Cadang cadang disease of coconut
49
The presidential decree number which created the Fertilizer and Pesticide Authority
1144
50
Early harvest is a Type of control against pests
cultural control
51
The injury caused by a “putakti” comes from this body region of The insect
abdomen
52
Which among the following weeds are spread easily by wind?
Tridax procumbens
53
Fungal pathogens that do not produce any spores
Rhzoctonia and Sclerotium
54
Naiad is a part of this metamorphosis
hemimetabola
55
This is an example of a grass weed
Digitaria setigera
56
Conditions caused by inanimate agents are also called
physiological disorders
57
The process of decreasing weed population to minimize Competition
weed control
58
Nephotettix virescens belong to the Suborder
Hemiptera
59
Which among the following are symptoms of a plant virus
All of the choices
60
The effects of one plant on another plant due to the chemicals That it releases
allelopathy
61
Which among the following is not a fungi?
Algae
62
Which among the following weed species reproduces by seed Alone?
Synedrella nodiflora
63
Spores produced from fragmentation of hyphal cells
Arthrospores
64
A category of pest cause no significant damage under the Conditions currently prevailing, however, this can be a key or Occasional pest if conditions in the field are disrupted
potential
65
The primary reproductive structures of fungi are
Spores
66
An insect which carries and transmits a Disease -causing organism to a plant
vector
67
The weed density, higher than which significant yield losses will be Observed
critical threshold level
68
The causal agent of bacterial wilt of tomato is
Ralstonia solanacearum
69
The physical removal of insect pests from the infested plants is an Example of
mechanical control
70
These genera of weeds resemble rice at its seedling stage
Echinochloa
71
What is the term for the plant disease epidemics that occur Throughout the world?
Pandemic
72
Which characterizes viroids?
Tiny entities composed of stable and free ribonucleic acids That can infect plant cells
73
An adjuvant or surfactants that improve absorption of herbicide by Raising the humidity or spray film and leaf surface
humectants
74
The insect order characterized by having scales on its Membranous wings
Lepidoptera
75
An ascocarp in fungi with a pore at the top and the wall of its own
Perithecium
76
This is not a characteristic of plant viruses
Inhabit intercellular spaces
77
Which among the following weed species is a perennial grass
Imperata cylindrica
78
The use of oil is a Type of method against insect pests
physical
79
This is an example broad-leaf weed
Commelina benghalensis
80
What is the typical number of juvenile stages in the life cycle of a Nematode?
4
81
Where are the eggs of root-knot nematode deposited?
in a gelatinous matrix
82
Which of the following is now a survival structure?
Phanerogram seeds
83
Plant parasitic nematodes are diagnosed by examining
soil and roots
84
A common symptom of diseases caused by fungi
spot
85
The thrips belong to this order
Thysanoptera
86
The year when the FPA was promulgated
1977
87
Grassy weeds (Poaceae) locks similar to sedges except that their Stem called culm is
cylindrical
88
The study of weeds and their control
Weed Science
89
The world’s worst weed based on distribution
Cyperus rotundus
90
The point during the life cycle of a crop when it most affected with The competition by weeds
critical period of competition
91
The color code of the least toxic pesticides
green
92
A character of hyphae that is found only in the basidiomycetous Fungi
Clamp connections
93
Which is not a characteristic of true fungi?
Cell wall composition is cellulose
94
The word ‘CAUTION’ is the signal word for what category of Pesticides?
3
95
The use of adhesive substance is a Pests
physical control
96
Buthachlor or Machete EC belongs to this group of herbicide
amides
97
Chemicals that are used to kill weeds
herbicides
98
Cold storage could also be used against pests and is considered a Method of control
physical control
99
The weed density and duration when the crop is most affected
crop-weed competitive threshold
100
This is not a type of plant viruses according to persistence in their Insect vector
Invasive viruses