Crop Protection Reviewer- Agriculture Board Exam (Set 1)

Question of
This herbicide will not move or translocate within the plant , they often used for controlling annual weeds
- Systematic herbicides
- Non selective herbicide
- Contact herbicide
- Post emergence herbicide
Question of
The following are the characteristics of an ideal method for measuring plant disease ,except
- Objective
- Simple to use
- Reasonably fast to use
- Severity and prevalence
Question of
The principle of plant disease control which refer to the prevention of a new pathogen from being introduce into a locality where it is currently unknown is called
- Protection
- Exclusion
- Eradication
- Immunization
Question of
The sources of inoculum are ,except
- Infected living plants
- Plants debris
- Man
- Contaminated containers , storage
Question of
Leaf –tip chlorosis and scorching of margins are due to :
- Boron deficiency
- Nitrogen deficiency
- Potassium deficiency
- Magnesium deficiency
Question of
Suscept
- plant
- pathogen
- insects
- environment
Question of
Host
- Pathogen
- disease
- parasite
- saprophytic
Question of
Injury
- Cold temperature
- Hot temperature
- Bacterium
- Lighting
Question of
Obligate parasite
- Bacterium
- Mycoplasma
- Saprophytic
- Virus
Question of
Pathogen
- Parasite
- Environment
- Suscept
- Host
Question of
Signs
- Bacterial ooze and mycelium
- Blight / yellowing
- Canker / spot
- Mottle / wilting
Question of
Symptom
- Mosaic
- Vein clearing
- Phanegram or parasitic flowering
- Wilting
Question of
A pale or transculent veins is called
- Vein clearing
- Mosaic
- Canker
- Mottle
Question of
A threadlike vegetative fungal structure is known as
- Phanenogram
- Bacterial ooze
- Mycelium
- Rot
Question of
A localized necrotic area is called
- Canker
- Spot
- Rot
- Blight
Question of
A variegated areas are not well defined with diffused borders is known as
- Mottle
- Vein clearing
- Shothole
- Mosaic
Question of
Sharply defined variegated color pattern is called
- Vein clearing
- Mottle
- Mummified
- Mosaic
Question of
Slimy ,whitish secretion containing bacterial cells is called
- Chlorosis
- Bacterial ooze
- Fungal ooze
- Shot-hole
Question of
Perforation in leaf as lesion drop out is known
- Curl
- Shot – hole
- Canker
- Blight
Question of
Caused by lack of water or a biotic agent is called
- Damping off
- Curling
- Wilting
- Russeting
Question of
Beetle and weevil belong to insect known as
- Hemiptera
- Coleoptera
- Isoptera
- Lepidoptera
Question of
The external skeleton is leather and impervious to water because of
- Wax
- Chitin
- Cuticle
- Gerumen
Question of
Adult moths and butterflies has a mouthpart type known as
- Chewing type
- Siphoning type
- Sponging type
- Piercing type
Question of
A type of metamorphosis known as hemimetabola a is also called
- No metamorphosis
- Gradual metamorphosis
- Incomplete Metamorphosis
- Complete metamorphosis
Question of
Insect body region which begins behind the point of attachment of the hind pair of legs and considered as the longest and most segmented part of an insect body is called
- Thorax
- Abdomen
- Head
- Wings
Question of
A type of insect reproduction where an insect’s lay eggs is called
- Viviparous
- Ovoviviparous
- Oviparous
- Parthenogenesis
Question of
A parasitic cause of plant disease with stylet serves as piercing and suckling organ is called
- Fungi
- Viruses
- Mycoplasma
- Nematodes
Question of
A hormonal substances secreted by insects used in attracting opposite sex or in eliciting other responses.
- Attractant
- Repellant
- Pheromones
- Relaxin
Question of
The majority of destructive plant parasitic nematodes belong to this group
- Tylenchoid nematodes
- Cephaloboid nematodes
- Plectoid nematode
- Diplogasteroid nematodes
Question of
Those type of symptom in which the outstanding characteristics is the drying or death of cells, tissues or organs is called
- Hyperplastic symptom
- Chlorotic symptom
- Necrotic symptom
- Hypoplastic symptom
Question of
Some common necrotic symptoms are as follows ,except
- Wilting
- Scorch
- Blight
- Curling
Question of
Some hyperplastic symptoms are as follows ,except
- Russeting
- Discoloration
- Spot
- Galls
Question of
Some common hypoplastic symptoms are as follows ,except :
- Callus
- Etiolation
- Rosettinng
- Suppression
Question of
Insect order with a complete metamorphosis are, except
- Coleoptera
- Lepidoptera
- Homoptera
- Hymenoptera
Question of
Insect pupae are classified with appendages held tightly glued in place;sometimes enclosed in a silky case or cocoon e.g. moth pupae
- Obtect
- Exarate
- Coarctate
- Arctate
Question of
The pathogen of root knot of tomato is
- Ustilago
- Meloidogyne incognito
- Uromyces phaseoli
- Pyricularia oryzae
Question of
The prevention of a pest or pathogen from producing economic injury to a crop by placing a chemical or physical barrier between the pest or the inoculum of the pathogen and the host or suscept is called
- Protection
- Eradication
- Exclusion
- Avoidance
Question of
Causative agent of bacterial wilt of tomato is called
- Phytophthora infestant
- Xanthomonas citri
- Tomato Mosaic Virus
- Pseudomonas solanacearum
Question of
The causative agent of coffee rust is called
- Erwinia carotovora
- Streptomyces scabies
- Hemileia vastatrix
- Xanthomonas phaseoli
Question of
The majority of plant disease are caused by
- Virus
- Bacteria
- Fungus
- Parasites
Question of
Citrus exocortis and Cadang-cadang are believed to be caused by
- Viroids
- Viruses
- Bacteria
- Fungi
Question of
Downy mildew of corn is caused by
- Streptomyces scabies
- Xanthomonas phaseoli
- Peronosclerospora philippinensis
- Fusarium oxysporum
Question of
Mango anthracnose is caused by
- Cercosporidium personatum
- Ustilago maydis
- Hemileia vastatrix
- Colletotrichum gloeosporioides
Question of
Inoculation by insect vectors are , except
- Nematodes
- Viroids
- Mycoplasmas
- Viruses
Question of
All are the types of inoculum ,except
- Virus particles
- Bacterials cells
- Soil particles
- Fungal spores
Question of
An invasion of tissues by maggots is called
- Myiasis
- Dermatosis
- Entomophobia
- Injury to sense organs
Question of
This insect is a product of filth and poor sanitation ,which serves as a mechanical carrier of human disease called malaria
- Butterflies
- Bees
- Wasp
- Mosquito
Question of
A pesticide which belong to category I with signal words”Warning :HARMFUL” carry a color band symbol
- Red
- Blue
- Yellow
- Green
Question of
This pesticide is usually applied after the crop or the weeds is present
- Contact herbicides
- Post emergence herbicides
- Pre-emergence herbicides
- Preplant emergence herbicides
Question of
All are factors affecting the competitive ability of a crop against weeds ,except
- Level of nutrition
- Seeding
- Water management
- Crop variety or selection

Crop Protection Reviewer- Agriculture Board Exam (Set 1)

This herbicide will not move or translocate within the plant , they often used for controlling annual weeds

The following are the characteristics of an ideal method for measuring plant disease ,except

The principle of plant disease control which refer to the prevention of a new pathogen from being introduce into a locality where it is currently unknown is called

The sources of inoculum are ,except

Leaf –tip chlorosis and scorching of margins are due to :

Suscept

Host

Injury

Obligate parasite

Pathogen

Signs

Symptom

A pale or transculent veins is called

A threadlike vegetative fungal structure is known as

A localized necrotic area is called

A variegated areas are not well defined with diffused borders is known as

Sharply defined variegated color pattern is called

Slimy ,whitish secretion containing bacterial cells is called

Perforation in leaf as lesion drop out is known

Caused by lack of water or a biotic agent is called

Beetle and weevil belong to insect known as

The external skeleton is leather and impervious to water because of

Adult moths and butterflies has a mouthpart type known as

A type of metamorphosis known as hemimetabola a is also called

Insect body region which begins behind the point of attachment of the hind pair of legs and considered as the longest and most segmented part of an insect body is called

A type of insect reproduction where an insect’s lay eggs is called

A parasitic cause of plant disease with stylet serves as piercing and suckling organ is called

A hormonal substances secreted by insects used in attracting opposite sex or in eliciting other responses.

The majority of destructive plant parasitic nematodes belong to this group

Those type of symptom in which the outstanding characteristics is the drying or death of cells, tissues or organs is called

Some common necrotic symptoms are as follows ,except

Some hyperplastic symptoms are as follows ,except

Some common hypoplastic symptoms are as follows ,except :

Insect order with a complete metamorphosis are, except

Insect pupae are classified with appendages held tightly glued in place;sometimes enclosed in a silky case or cocoon e.g. moth pupae

The pathogen of root knot of tomato is

The prevention of a pest or pathogen from producing economic injury to a crop by placing a chemical or physical barrier between the pest or the inoculum of the pathogen and the host or suscept is called

Causative agent of bacterial wilt of tomato is called

The causative agent of coffee rust is called

The majority of plant disease are caused by

Citrus exocortis and Cadang-cadang are believed to be caused by

Downy mildew of corn is caused by

Mango anthracnose is caused by

Inoculation by insect vectors are , except

All are the types of inoculum ,except

An invasion of tissues by maggots is called

This insect is a product of filth and poor sanitation ,which serves as a mechanical carrier of human disease called malaria

A pesticide which belong to category I with signal words”Warning :HARMFUL” carry a color band symbol

This pesticide is usually applied after the crop or the weeds is present

All are factors affecting the competitive ability of a crop against weeds ,except

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