Home » Quiz » Crop Protection Reviewer- Agriculture Board Exam (Set 1)

Crop Protection Reviewer- Agriculture Board Exam (Set 1)

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  • 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
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