問題一覧
1
A broad spectrum gaseous chemical used for management of plant
Parasitic nematodes that is thought to be damaging to the
Methyl bromide
2
The discovery of DDT on this year is considered as one of the
Major event in the history of crop protection
1939
3
A quick acting poison which cause death to rats shortly after
Ingestion.
Acute poison
4
Mode of action of insecticides?
Neurotoxicant
5
A component of mycoherbicide
Fungal spores
6
Which of the following is a broad-spectrum chemical pesticide,
Which can be used for soil fumigation to kill insects, fungi and
Nematodes in the soil?
Chloropicrin or tear gas
7
The point of entry of a fumigant insecticide
Spiracles
8
An example of organochlorine insecticide
Chlordane
9
The following are botanical insecticides except
Juvenoids
10
This pertains to the winged segments of the insect’s thorax
Pterothorax
11
This functions as air storage of the insect’s respiratory system
air sac
12
This functions to control the influx of air within the insect’s
Respiratoy system
atrium
13
This functions to guide the air flow within the insect’s respiratory
valves
14
This is referred to as thickened tracheoles
taenidium
15
This part of the digestive system functions as center of absorption
In absortbing nutrients in the hemocoele
Malpighian tube
16
Cockroaches belong to this insect order
Blattodea
17
This wing type belongs to Orthopterans
tegmen
18
Insects became pests because of
men
19
The type of metamorphosis for exopterygotes is
hemimetabola
20
This may be a part of a germinating conidium of a pathogenic
Fungus
All of the choices
21
The colonization of plant tissues by hyphae could be
All
22
This is not a sexual process in fungi
Paleontology
23
This is not a sexual spore of fungi or fungal-like organisms
Melospore
24
The following are signs of fungal diseases except
ooze
25
The majority of plant disease are caused by
fungi
26
The threadlike vegetative fungal structure
mycelium
27
Which is not a sign of fungi?
seeds
28
Which among these pathogens can directly penetrate intact hosts?
fungi
29
The following are fungal inocula except
Bacterial ooze
30
A phenomenon in nematodes when males and females have
Entirely different morphology
sexual dimorphism
31
This category of chemicals has been traditionally used as control
Management against plant parasitic nematodes
fumigants
32
The practice of incorporating fresh plants or plant materials into
The soil to control plant parasitic nematodes
biofumigation
33
When the field is left unplanted for a certain period, the population
Of nematodes decreases because they are deprived of their plant
Hosts. This practice which also allows soil rejuvenation is called
fallowing
34
This fungus is present in commercial products BIOCON and
BIOACT which parasitizes Radopholus similis,Rotelenchulus
Reniformis, Meloidogyne spp.
Paecilomyces lilacinus
35
What is the common pattern of nematode spatial distribution in
The field?
patchy
36
The most preferred site for root penetration of the infective stage
Of Meloidogyne spp. Is the
Zone of elongation
37
Plant parasitic nematodes generally prefer this soil texture
sandy
38
Which life stage of the nematode will not be killed by a systemic
Nematicide?
eggs
39
Some planting materials can be subjected to a hot water treatment
To control nematodes that are possibly present. The following
Planting materials can be treated this way except
Seed potato
40
The concept that explains the step-wise evolution of virulence and
Resistance
Gene for gene
41
The plant pathogen present in Collego
Colletotrichum
42
The art of plant pathology which determines the severity and
Prevalence of diseases
Disease assessment
43
The ultimate objective of plant pathology is to
Minimize plant diseases
44
A correct diagnosis is a prerequisite to the
Formulation of control measures
45
Scientific studies in plant pathology began with the invention of
The
compound microscope
46
This is a proteinaceous infectious particle, in which its protein is
Encoded by a chromosomal gene of the host
prion
47
One of the following diseases is not due to viroid
tobacco mosaic
48
A kind of symptom that is a direct result of the causal agent’s
Activities
primary
49
A kind of symptom that is distinct and very limited
localized
50
Pests that are focal point of pest management systems because
Their population equilibrium is always abOve the economic threshold
Level
key
51
A type of pests that are only present part of the time
occasional
52
Prediction technology is useful to prevent this pest’s outbreak
potential
53
A modern approach to minimize damage by pests with ultimate
Goal of population management rather than eradication
integrated pest management
54
A control method whereby synthetic toxic substances or bioactive
Plant products are used to combat pest population
chemical control
55
An unwanted organism which competes with man for food and
Shelter or threatens their health comfort or welfare
pest
56
The relative amount of heritable qualities in plants that influence
The ultimate degree of damages by the pest
host plant resistance
57
A toxic substance which is readily available and kills pest instantly
pesticides
58
A vertebrate pest which is a perennial problem in crop production
That usually demands a unified, coordinated and sustained
Community action to gain an effective control,
rodents
59
The symptom of stemborer damage during the reproductive stage
Of the rice plant characterized by the pale appearance of the unfilled
Grains
Whitehead
60
Which among the following is sedge?
beggarstick
61
The following are common bases of classifying weeds except
anatomy
62
Itchgrass is the common name of
Rottboellia cochinchinensis
63
The following are vegetative structure of a weed except
flowers
64
Crop-weed interaction involves competition for these factors
Excep
vitamins
65
Allelopathic substances are equated to
allelochemicals
66
Weed occupies which trophic level?
1st tropic level
67
The suspended growth of the embryo is due to propagule
dormancy
68
The physical form of dormancy is brought about by the presence
Of
thick seed coat
69
The following are considered growth habit of weeds except
woody
70
Contact, stomach and fumigant poison are classification of
Insecticides based on
mode of entry
71
The insecticide that kills a wide array of insect pest species
broad spectrum
72
The fungicides that can be translocated to the different parts of
The plant are also called
Systemic fungicides
73
How many square meters can a 50 ml of a 40% formulation be
Covered if the recommended rate is 700 g a.i. /ha?
285.71 sq.m.
74
Three kilograms of insecticide AB is required for the insect pest in
A two hectare tomato farm. The recommended rate is half kilogram
a.i./ha. What is the % a.i. formulati
33.33%
75
What is the percent concentration of an insecticide with 300 g
Thiamethoxam per kilogram of the formulated product and a
Recommended dosage of 3 g / 16 L of water?
30%
76
How many sprayer loads which can hold up to 8 liters are required
To spray the half hectare of the cabbage farm if the spray volume
Required is 320 L/ha?
22.5
77
The upperlimit of a recommendation for using an insecticide with
Active ingredient of 750g cyromazine per kilogram formulated
Product is 7 g/ 16 L of water. If a farmer needed 150 L spray
Solution, how many kilograms of the insecticide should he use?
0.066 kg
78
How much insecticide CD with 40% EC is needed to cover 750 sq. M of mustard farm with the recommend rate of half kilogram a.i./ha?
0.1 L
79
Broad spectrum fungicides which inhibit mitosis by preventing
Polymerization of beta tubulin, resistance risk is high
Benzimidazoles
80
The type of metamorphosis for endopterygotes is
holometabola
81
From which character was the name “Arthropoda” derived?
MR a. segmentation
jointed legs
82
Where would you least likely find insects?
south pole
83
Which of the following pests is not an Arthropod?
field rat
84
Which statement is not true of all insects?
they have wings
85
A material used in pesticide formulation to cOunteract the chemical
Characteristics of a substance which may normally cause phytotoxic
Effects
safener
86
The setaceous type of antennae is found among
dragonflies
87
Preying mantis use this type of forelegs to catch their prey
grasping
88
Headlice use this type of legs to anchor themselves on the host
clinging
89
The symptom characterized by perforations in leaf as lesions drop
Out
shot hole
90
The symptom characterized by sunken dead area with cracked
Border
canker
91
The symptom that shows dry or soft decomposition of tissues
rot
92
The symptom that has pale or translucent veins
vein clearing
93
The symptom characterized by an extensive necrotic area
blight
94
All of the following are symptoms except
ooze
95
The identification of specific plant diseases through their
Characteristic symptoms and signs
diagnosis
96
The non-parasitic agents of plant disease are characteristically
non living
97
They are pleomorphic microorganisms without cell walls
mollicutes
98
The usual means of spread of viruses in the field
insects
99
Diseased plant is a
both sus and host
100
One of the functions of this agency is to quarantine
BPI
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26問 • 1年前問題一覧
1
A broad spectrum gaseous chemical used for management of plant
Parasitic nematodes that is thought to be damaging to the
Methyl bromide
2
The discovery of DDT on this year is considered as one of the
Major event in the history of crop protection
1939
3
A quick acting poison which cause death to rats shortly after
Ingestion.
Acute poison
4
Mode of action of insecticides?
Neurotoxicant
5
A component of mycoherbicide
Fungal spores
6
Which of the following is a broad-spectrum chemical pesticide,
Which can be used for soil fumigation to kill insects, fungi and
Nematodes in the soil?
Chloropicrin or tear gas
7
The point of entry of a fumigant insecticide
Spiracles
8
An example of organochlorine insecticide
Chlordane
9
The following are botanical insecticides except
Juvenoids
10
This pertains to the winged segments of the insect’s thorax
Pterothorax
11
This functions as air storage of the insect’s respiratory system
air sac
12
This functions to control the influx of air within the insect’s
Respiratoy system
atrium
13
This functions to guide the air flow within the insect’s respiratory
valves
14
This is referred to as thickened tracheoles
taenidium
15
This part of the digestive system functions as center of absorption
In absortbing nutrients in the hemocoele
Malpighian tube
16
Cockroaches belong to this insect order
Blattodea
17
This wing type belongs to Orthopterans
tegmen
18
Insects became pests because of
men
19
The type of metamorphosis for exopterygotes is
hemimetabola
20
This may be a part of a germinating conidium of a pathogenic
Fungus
All of the choices
21
The colonization of plant tissues by hyphae could be
All
22
This is not a sexual process in fungi
Paleontology
23
This is not a sexual spore of fungi or fungal-like organisms
Melospore
24
The following are signs of fungal diseases except
ooze
25
The majority of plant disease are caused by
fungi
26
The threadlike vegetative fungal structure
mycelium
27
Which is not a sign of fungi?
seeds
28
Which among these pathogens can directly penetrate intact hosts?
fungi
29
The following are fungal inocula except
Bacterial ooze
30
A phenomenon in nematodes when males and females have
Entirely different morphology
sexual dimorphism
31
This category of chemicals has been traditionally used as control
Management against plant parasitic nematodes
fumigants
32
The practice of incorporating fresh plants or plant materials into
The soil to control plant parasitic nematodes
biofumigation
33
When the field is left unplanted for a certain period, the population
Of nematodes decreases because they are deprived of their plant
Hosts. This practice which also allows soil rejuvenation is called
fallowing
34
This fungus is present in commercial products BIOCON and
BIOACT which parasitizes Radopholus similis,Rotelenchulus
Reniformis, Meloidogyne spp.
Paecilomyces lilacinus
35
What is the common pattern of nematode spatial distribution in
The field?
patchy
36
The most preferred site for root penetration of the infective stage
Of Meloidogyne spp. Is the
Zone of elongation
37
Plant parasitic nematodes generally prefer this soil texture
sandy
38
Which life stage of the nematode will not be killed by a systemic
Nematicide?
eggs
39
Some planting materials can be subjected to a hot water treatment
To control nematodes that are possibly present. The following
Planting materials can be treated this way except
Seed potato
40
The concept that explains the step-wise evolution of virulence and
Resistance
Gene for gene
41
The plant pathogen present in Collego
Colletotrichum
42
The art of plant pathology which determines the severity and
Prevalence of diseases
Disease assessment
43
The ultimate objective of plant pathology is to
Minimize plant diseases
44
A correct diagnosis is a prerequisite to the
Formulation of control measures
45
Scientific studies in plant pathology began with the invention of
The
compound microscope
46
This is a proteinaceous infectious particle, in which its protein is
Encoded by a chromosomal gene of the host
prion
47
One of the following diseases is not due to viroid
tobacco mosaic
48
A kind of symptom that is a direct result of the causal agent’s
Activities
primary
49
A kind of symptom that is distinct and very limited
localized
50
Pests that are focal point of pest management systems because
Their population equilibrium is always abOve the economic threshold
Level
key
51
A type of pests that are only present part of the time
occasional
52
Prediction technology is useful to prevent this pest’s outbreak
potential
53
A modern approach to minimize damage by pests with ultimate
Goal of population management rather than eradication
integrated pest management
54
A control method whereby synthetic toxic substances or bioactive
Plant products are used to combat pest population
chemical control
55
An unwanted organism which competes with man for food and
Shelter or threatens their health comfort or welfare
pest
56
The relative amount of heritable qualities in plants that influence
The ultimate degree of damages by the pest
host plant resistance
57
A toxic substance which is readily available and kills pest instantly
pesticides
58
A vertebrate pest which is a perennial problem in crop production
That usually demands a unified, coordinated and sustained
Community action to gain an effective control,
rodents
59
The symptom of stemborer damage during the reproductive stage
Of the rice plant characterized by the pale appearance of the unfilled
Grains
Whitehead
60
Which among the following is sedge?
beggarstick
61
The following are common bases of classifying weeds except
anatomy
62
Itchgrass is the common name of
Rottboellia cochinchinensis
63
The following are vegetative structure of a weed except
flowers
64
Crop-weed interaction involves competition for these factors
Excep
vitamins
65
Allelopathic substances are equated to
allelochemicals
66
Weed occupies which trophic level?
1st tropic level
67
The suspended growth of the embryo is due to propagule
dormancy
68
The physical form of dormancy is brought about by the presence
Of
thick seed coat
69
The following are considered growth habit of weeds except
woody
70
Contact, stomach and fumigant poison are classification of
Insecticides based on
mode of entry
71
The insecticide that kills a wide array of insect pest species
broad spectrum
72
The fungicides that can be translocated to the different parts of
The plant are also called
Systemic fungicides
73
How many square meters can a 50 ml of a 40% formulation be
Covered if the recommended rate is 700 g a.i. /ha?
285.71 sq.m.
74
Three kilograms of insecticide AB is required for the insect pest in
A two hectare tomato farm. The recommended rate is half kilogram
a.i./ha. What is the % a.i. formulati
33.33%
75
What is the percent concentration of an insecticide with 300 g
Thiamethoxam per kilogram of the formulated product and a
Recommended dosage of 3 g / 16 L of water?
30%
76
How many sprayer loads which can hold up to 8 liters are required
To spray the half hectare of the cabbage farm if the spray volume
Required is 320 L/ha?
22.5
77
The upperlimit of a recommendation for using an insecticide with
Active ingredient of 750g cyromazine per kilogram formulated
Product is 7 g/ 16 L of water. If a farmer needed 150 L spray
Solution, how many kilograms of the insecticide should he use?
0.066 kg
78
How much insecticide CD with 40% EC is needed to cover 750 sq. M of mustard farm with the recommend rate of half kilogram a.i./ha?
0.1 L
79
Broad spectrum fungicides which inhibit mitosis by preventing
Polymerization of beta tubulin, resistance risk is high
Benzimidazoles
80
The type of metamorphosis for endopterygotes is
holometabola
81
From which character was the name “Arthropoda” derived?
MR a. segmentation
jointed legs
82
Where would you least likely find insects?
south pole
83
Which of the following pests is not an Arthropod?
field rat
84
Which statement is not true of all insects?
they have wings
85
A material used in pesticide formulation to cOunteract the chemical
Characteristics of a substance which may normally cause phytotoxic
Effects
safener
86
The setaceous type of antennae is found among
dragonflies
87
Preying mantis use this type of forelegs to catch their prey
grasping
88
Headlice use this type of legs to anchor themselves on the host
clinging
89
The symptom characterized by perforations in leaf as lesions drop
Out
shot hole
90
The symptom characterized by sunken dead area with cracked
Border
canker
91
The symptom that shows dry or soft decomposition of tissues
rot
92
The symptom that has pale or translucent veins
vein clearing
93
The symptom characterized by an extensive necrotic area
blight
94
All of the following are symptoms except
ooze
95
The identification of specific plant diseases through their
Characteristic symptoms and signs
diagnosis
96
The non-parasitic agents of plant disease are characteristically
non living
97
They are pleomorphic microorganisms without cell walls
mollicutes
98
The usual means of spread of viruses in the field
insects
99
Diseased plant is a
both sus and host
100
One of the functions of this agency is to quarantine
BPI