2
問題一覧
1
An example of asexual spores is
conidia
2
The walls of fungi generally contain
chitin and glucan
3
He demonstrated that fungi are the cause and not the result of
Plant diseases
De Bary
4
Fungi like Aspergillus flavus and A. parasiticus infecting cereal and
Legume seeds produce a carcinogenic toxin which is
aflatoxin
5
Which among the following phyla belongs to the kingdom of true
Fungi
Zygomycota
6
Fungi belonging to Class Oomycetes are commonly called the
downy mildew fungi
7
A known non-spore forming fungi is
Rhizoctonia
8
The asexual stage of fungi is also known as the
anamorph stage
9
A fungus merely covering the surface of the plant without
Necessarily parasitizing it
sooty mold
10
Fungi that only reproduce asexually
Deuteromycetes
11
Also known as the "burrowing" nematode and causes the toppling
Disease of banana
Radopholus similes
12
Called the golden cyst nematode of Irish potato
Globodera pallida
13
Which among the following is not a typical nematode disease
Symptoms
Leaf mosaic
14
Nota method of isolating plant parasitic soil nematodes
Trapping technique
15
The following are insect vector of plant disease except
Nematode
16
Nematodes as plant pathogens were first observed by Needham in
Wheat kernel galls
17
The kind of nematodes feeding only on root hairs and root tips
Ectoparasitic
18
The kind of nematodes which move within the host tissues and/or
Between the soil and the host
Migratory endoparasites
19
The genera of nematodes which causes root
Meloidogyne
20
This is an example of foliar nematode
Ditylenchus
21
He wrote the first textbook in Plant Pathology
Julius Kuhn
22
Submicroscopic entities which could pass through bacterial-proof
Filters are called
virus
23
This refers to an organism which has the ability to be a parasite
Although it is ordinarily a saprophyte
facultative parasite
24
The expression of a diseased plant with certain characteristics
Symptoms
25
This refers to the pathogen associated with the infected plant
pathogen
26
When a tomato plant has a root and stem rot disease, which leads
To wilting, the wilting symptoms are classified as
Secondary symptoms
27
The overdevelopment of plant cells, tissue or plant parts is called
hyperplastic symptoms
28
This symptom is also called a lesion.
spot
29
This refers to an extensive, usually sudden death of host tissue
Blight
30
The rotting of seedlings prior to emergence is termed
damping off
31
This may not cause disease in plants
worms
32
Quiescent or latent infection is often associated with
anthracnose
33
This is not a source of pathogen inoculum
uninfected plant
34
A group of substances secreted by pathogens that interfere with
The permeability of protoplast membrane
toxins
35
The causal agent of mango anthracnose is
Colletotrichum gloeosporioides
36
Peronosclerospora philippinensis is the causal agent of
corn downy
37
The causal agent of corn rust is
Puccinia polysora
38
Gibberella fujikuroi is the causal agent of
bakanae of rice
39
The DA Special Order number which embodies the provisions on
Integrated Pest Management
495
40
The year when the DA Special Order on Integrated Pest
Management was signed
1997
41
Weeds having expanded leaves with netted venation
broadleaves
42
The following are vegetative propagules except
seeds
43
Most weed seeds in the soil are found within the
upper 15 inches
44
The phenomenon when weed seeds fail to germinate even under
Favorable conditions
dormancy
45
The following are physical causes of weed seed dormancy except.
presence of inhibitors
46
The mechanism which controls sprouting of yperus rotundus
Tubers that are attached to the mother plant
apical dominance
47
The stage of growth when the weed is most affected by weed
Control measures
seedling stage
48
The following are means by which weeds are dispersed from one
Area to another, except
fire
49
Which among the following is not a weed dispersal unit
leaves
50
Described as the struggle between two or more plants for a limited
Resource
competition
51
The color band of highly toxic pesticides
red
52
The first organic herbicide that revolutionized chemical weed
Control
2,4-D
53
When was the first organic and selective herbicide developed?
1940s
54
The first organic herbicide belongs to what chemical family of
Herbicides?
phenoxys
55
The general term used to describe any chemical used to control
Pests
pesticides
56
The inherent property of a herbicide to kill some plants but not
Other plants
selectivity
57
ability of some plants to survive a herbicide treatment that
Would normally kill other plants
resistance
58
The innate property of a chemical to produce harm
toxicity
59
The risk of likelihood of an adverse effect due to exposure to a
Harmful chemical
hazard
60
The component of a pesticide which is responsible for its toxic
Effect
active ingredient
61
The author of the milestone of Philippine Entomology is
Bernardo P. Gabriel
62
He was the first Filipino to obtaina doctoral degree in entomology
In 1922
L.B. Uichanco
63
The first monographic treatment of Philippine mosquitoes by
Delfinado in 1966 included all genera except
Malaria
64
This is the study of insects
entomology
65
The earliest insect found during the Middle Devonian period,
Rhyniella praecurso, belong to the insect order
Collembola
66
The nearest relative of the class Insecta is
Class Crustacea
67
When the mouthparts are directed anteriad, this is known as
prognathous
68
The lateral sides of the middle segment of the insect thorax is
Known as
mesopleuron
69
The ventral portion of the thorax and abdomen is known as
sternum
70
The part of the mouthparts without a palpus
mandibles
71
A general necrosis caused by the rapid growth and advance of the
Causal bacteria through leaves and stems
Blight
72
It is the only genus of plant pathogenic bacteria that produces
Spores
Streptomyces
73
The pathogen that gained worldwide recognition especially during
The 1960s because of its extreme effectiveness in controlling
Lepidopterous pests especially diamondback moth.
Bacteria
74
Which among the following may be colonized by plant Pathogenic
Bacteria
All of the above
75
The following are Gram negative bacteria except
Corynebacterium
76
The plant disease first shown to be caused by bacteria
Fireblight of apples and pear
77
A disease caused by "fastidious" vascular bacteria
Pierce’s disease of grapes
78
The slimy, whitish secretion containing bacterial cells
Ooze
79
Which is not a mechanism of bacteria pernetration to the host?
Direct penetration
80
Which of the following is not a mechanism of variation in bacteria?
Heterokaryosis
81
In a life cycle of a typical myxomycete, the myxamoeba are usually
Formed during
humid condition
82
The naming of newly discovered fungal species is based commonly
On
distinct structural character
83
Non-parasitic fungi which are present on plant parts with deposit
Of insects, particularly aphids and scale insects
Sooty mold fungi
84
Growth of germ tube towards hosts or substrates may be due to
Chemicals. This response is called
chemotropism
85
Phylogenetic classification of fungi is based on
evolutionary relationship
86
A fungal insect parasite
Metarrhizium
87
The most common infectious agents of plant disease
fungi
88
Sigatoka is a fungal disease of what crop?
banana
89
This is the rice fungal disease that caused Bengal famine in 1943
brown spot
90
The fungal disease which greatly affected the coffee industry of
Batangas
coffee rust
91
The mouthpart of a nematode that is inserted inside a plant cell
Thru which the plant juices are withdrawn and sucked
Stylet
92
A disease which is aggravated by the presence of root knot
Nematode
Bacterial wilt of tomato
93
The infective stage of cyst nematodes is
2nd juvenile stage
94
Nematodes that move from plant to plant and only their stylet
Enter the plant cells are called
Migratory ectoparasite
95
Eggs of rootknot nematodes are deposited
Inside a gelatinous matrix
96
Which of the following does not affect the completion of the life
Cycle of nematoodes?
Soil moisture
97
When nematodes form disease complex with another pathogen, it
Usually
Predispose host to disease
98
The only plant pathogen belonging to Kingdom Animalia
nematodes
99
This is considered to be the most destructive nematode to
Worldwide Agriculture
Meloidogyne
100
The four rules of proof that are used in identifying certain plant
Diseases
Koch’s Postulate
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1
An example of asexual spores is
conidia
2
The walls of fungi generally contain
chitin and glucan
3
He demonstrated that fungi are the cause and not the result of
Plant diseases
De Bary
4
Fungi like Aspergillus flavus and A. parasiticus infecting cereal and
Legume seeds produce a carcinogenic toxin which is
aflatoxin
5
Which among the following phyla belongs to the kingdom of true
Fungi
Zygomycota
6
Fungi belonging to Class Oomycetes are commonly called the
downy mildew fungi
7
A known non-spore forming fungi is
Rhizoctonia
8
The asexual stage of fungi is also known as the
anamorph stage
9
A fungus merely covering the surface of the plant without
Necessarily parasitizing it
sooty mold
10
Fungi that only reproduce asexually
Deuteromycetes
11
Also known as the "burrowing" nematode and causes the toppling
Disease of banana
Radopholus similes
12
Called the golden cyst nematode of Irish potato
Globodera pallida
13
Which among the following is not a typical nematode disease
Symptoms
Leaf mosaic
14
Nota method of isolating plant parasitic soil nematodes
Trapping technique
15
The following are insect vector of plant disease except
Nematode
16
Nematodes as plant pathogens were first observed by Needham in
Wheat kernel galls
17
The kind of nematodes feeding only on root hairs and root tips
Ectoparasitic
18
The kind of nematodes which move within the host tissues and/or
Between the soil and the host
Migratory endoparasites
19
The genera of nematodes which causes root
Meloidogyne
20
This is an example of foliar nematode
Ditylenchus
21
He wrote the first textbook in Plant Pathology
Julius Kuhn
22
Submicroscopic entities which could pass through bacterial-proof
Filters are called
virus
23
This refers to an organism which has the ability to be a parasite
Although it is ordinarily a saprophyte
facultative parasite
24
The expression of a diseased plant with certain characteristics
Symptoms
25
This refers to the pathogen associated with the infected plant
pathogen
26
When a tomato plant has a root and stem rot disease, which leads
To wilting, the wilting symptoms are classified as
Secondary symptoms
27
The overdevelopment of plant cells, tissue or plant parts is called
hyperplastic symptoms
28
This symptom is also called a lesion.
spot
29
This refers to an extensive, usually sudden death of host tissue
Blight
30
The rotting of seedlings prior to emergence is termed
damping off
31
This may not cause disease in plants
worms
32
Quiescent or latent infection is often associated with
anthracnose
33
This is not a source of pathogen inoculum
uninfected plant
34
A group of substances secreted by pathogens that interfere with
The permeability of protoplast membrane
toxins
35
The causal agent of mango anthracnose is
Colletotrichum gloeosporioides
36
Peronosclerospora philippinensis is the causal agent of
corn downy
37
The causal agent of corn rust is
Puccinia polysora
38
Gibberella fujikuroi is the causal agent of
bakanae of rice
39
The DA Special Order number which embodies the provisions on
Integrated Pest Management
495
40
The year when the DA Special Order on Integrated Pest
Management was signed
1997
41
Weeds having expanded leaves with netted venation
broadleaves
42
The following are vegetative propagules except
seeds
43
Most weed seeds in the soil are found within the
upper 15 inches
44
The phenomenon when weed seeds fail to germinate even under
Favorable conditions
dormancy
45
The following are physical causes of weed seed dormancy except.
presence of inhibitors
46
The mechanism which controls sprouting of yperus rotundus
Tubers that are attached to the mother plant
apical dominance
47
The stage of growth when the weed is most affected by weed
Control measures
seedling stage
48
The following are means by which weeds are dispersed from one
Area to another, except
fire
49
Which among the following is not a weed dispersal unit
leaves
50
Described as the struggle between two or more plants for a limited
Resource
competition
51
The color band of highly toxic pesticides
red
52
The first organic herbicide that revolutionized chemical weed
Control
2,4-D
53
When was the first organic and selective herbicide developed?
1940s
54
The first organic herbicide belongs to what chemical family of
Herbicides?
phenoxys
55
The general term used to describe any chemical used to control
Pests
pesticides
56
The inherent property of a herbicide to kill some plants but not
Other plants
selectivity
57
ability of some plants to survive a herbicide treatment that
Would normally kill other plants
resistance
58
The innate property of a chemical to produce harm
toxicity
59
The risk of likelihood of an adverse effect due to exposure to a
Harmful chemical
hazard
60
The component of a pesticide which is responsible for its toxic
Effect
active ingredient
61
The author of the milestone of Philippine Entomology is
Bernardo P. Gabriel
62
He was the first Filipino to obtaina doctoral degree in entomology
In 1922
L.B. Uichanco
63
The first monographic treatment of Philippine mosquitoes by
Delfinado in 1966 included all genera except
Malaria
64
This is the study of insects
entomology
65
The earliest insect found during the Middle Devonian period,
Rhyniella praecurso, belong to the insect order
Collembola
66
The nearest relative of the class Insecta is
Class Crustacea
67
When the mouthparts are directed anteriad, this is known as
prognathous
68
The lateral sides of the middle segment of the insect thorax is
Known as
mesopleuron
69
The ventral portion of the thorax and abdomen is known as
sternum
70
The part of the mouthparts without a palpus
mandibles
71
A general necrosis caused by the rapid growth and advance of the
Causal bacteria through leaves and stems
Blight
72
It is the only genus of plant pathogenic bacteria that produces
Spores
Streptomyces
73
The pathogen that gained worldwide recognition especially during
The 1960s because of its extreme effectiveness in controlling
Lepidopterous pests especially diamondback moth.
Bacteria
74
Which among the following may be colonized by plant Pathogenic
Bacteria
All of the above
75
The following are Gram negative bacteria except
Corynebacterium
76
The plant disease first shown to be caused by bacteria
Fireblight of apples and pear
77
A disease caused by "fastidious" vascular bacteria
Pierce’s disease of grapes
78
The slimy, whitish secretion containing bacterial cells
Ooze
79
Which is not a mechanism of bacteria pernetration to the host?
Direct penetration
80
Which of the following is not a mechanism of variation in bacteria?
Heterokaryosis
81
In a life cycle of a typical myxomycete, the myxamoeba are usually
Formed during
humid condition
82
The naming of newly discovered fungal species is based commonly
On
distinct structural character
83
Non-parasitic fungi which are present on plant parts with deposit
Of insects, particularly aphids and scale insects
Sooty mold fungi
84
Growth of germ tube towards hosts or substrates may be due to
Chemicals. This response is called
chemotropism
85
Phylogenetic classification of fungi is based on
evolutionary relationship
86
A fungal insect parasite
Metarrhizium
87
The most common infectious agents of plant disease
fungi
88
Sigatoka is a fungal disease of what crop?
banana
89
This is the rice fungal disease that caused Bengal famine in 1943
brown spot
90
The fungal disease which greatly affected the coffee industry of
Batangas
coffee rust
91
The mouthpart of a nematode that is inserted inside a plant cell
Thru which the plant juices are withdrawn and sucked
Stylet
92
A disease which is aggravated by the presence of root knot
Nematode
Bacterial wilt of tomato
93
The infective stage of cyst nematodes is
2nd juvenile stage
94
Nematodes that move from plant to plant and only their stylet
Enter the plant cells are called
Migratory ectoparasite
95
Eggs of rootknot nematodes are deposited
Inside a gelatinous matrix
96
Which of the following does not affect the completion of the life
Cycle of nematoodes?
Soil moisture
97
When nematodes form disease complex with another pathogen, it
Usually
Predispose host to disease
98
The only plant pathogen belonging to Kingdom Animalia
nematodes
99
This is considered to be the most destructive nematode to
Worldwide Agriculture
Meloidogyne
100
The four rules of proof that are used in identifying certain plant
Diseases
Koch’s Postulate