Crop Protection Reviewer – Agriculture Board Exam (Set 3)
- Question of
All are rice stem borers color, except
- Stripped
- Green
- Yellow
- Pink / white
- Question of
Diamond back moth is scientifically name as
- Plutella xylostella
- Crocidolonia pavonana
- Spodoptera litura
- Aulacophora indica
- Question of
Used in testing seeds ,planting materials ,cutting and grafts for the presence of viruses and bacteria as practical application of biotechnology in plant protection is called
- Monoclonal antibodies
- In vitro- regeneration
- Transgenic plant resistant to virus infection
- Transgenic plants possessing insect resistance
- Question of
A method of insect pest control by barring ,avoiding and killing the insects
- Cultural control
- Host plant resistance
- Mechanical/physical control
- Chemical control
- Question of
The second main body region of an insect is called
- Head
- Wings
- Thorax
- Abdomen
- Question of
These two sensory parts of an insect is located in front of head is called
- Compound eyes
- Ears
- Antennae
- Ocelli
- Question of
All are methods of plant disease control that belong to cultural methods, except
- Crop rotation
- Heat treatment
- Fallowing
- Tissue culture
- Question of
A modified above-ground stem creeping and rooting is called
- Runner
- Rhizome
- Stolon
- Tuber
- Question of
The Philippine Field Rat is the most widely distributed and most destructive of the rat species in the Philippines is scientifically name as
- Rattus exulan
- Rattus argentiventer
- Rattus norwegicus
- Rattus rattus mindanensis
- Question of
A mechanical means of controlling rats is
- Reducing food resources
- Crop trapping
- Blanket (grasstrap)
- Crop trapping and blanket (grasstrap)
- Question of
All are agents of weed dispersal, except
- Wind / water
- Animals/man
- Microorganism
- Explosive mechanism of weeds
- Question of
Bt corn is resistant to
- White grub
- Asiatic corn borer
- Corn earworms
- Corn semi-looper
- Question of
The heritable capacity of the plant species to withstand the onslaught (fierce attack)of a would be pest (insect)
- Horizontal resistance
- Vertical resistance
- Varietal resistance
- Eradicative resistance
- Question of
The insect abdomen bears most of breathing organ is called
- Spiracles
- Nose
- Mouth
- Fable
- Question of
An examples of protective clothing or gear that will minimize inhalation of a pesticide is
- Respirator
- Boots
- Gloves
- Cover alls
- Question of
Which herbicides family inhibits photosynthesis?
- Acetanilines
- Dinitroanilines
- Phenoxys
- Triazines
- Question of
An example of botanical insecticides is
- 2-4-D
- Rotenone
- Diazinon
- Sulfur
- Question of
The signal word for a highly toxic pesticide is called
- CAUTION
- WARNING
- DANGER:POISON
- None of the choices
- Question of
A principles of plant disease control which involves the prevention of infection by putting a barrier(chemical)between the pathogen and the host
- Exclusion
- Protection
- Eradication
- Immunization
- Question of
All are characteristics of noxious weeds , except
- Rapid vegetative growth and profuse root production
- Reproduce early and efficiently
- Reduce land value
- Resistance to herbicide/ adapted to competition
- Question of
The positive effects of weeds are ,except
- Reduce soil erosion in hilly areas
- Increase cost of production
- Food for animals and human
- Prevents leaching of nutrient and return them to the soil
- Question of
The inability of the seed or any vegetative organ or tissue to germinate under favorable condition
- Inhibition
- Imbibition
- Dormancy
- Longevity
- Question of
All are steps of weed germination ,except
- Imbibition
- Period of rapid metabolic activity
- Root or root-like elongation phase
- Adaptation to growing conditions
- Question of
The golden snails prefers to infest rice on its
- Seedling / early vegetative stage
- Seedling /late vegetative stage
- Middle and last vegetative growth stage
- Steady growth stage
- Question of
Cats , hawks ,owls and snakes are methods of rat control called
- Environmental manipulation
- Mechanical means
- Chemical means
- Biological method
- Question of
Predators ,includes organisms that feed on several prey (pest)to complete their life cycle are , except
- Coccinellid beetles
- Brown lacewings
- Wolf spider
- Trichogramma evanescence
- Question of
A fungus that infects rhinoceros beetle grubs of pest coconut is
- Bacillus thuringiensis
- Pseudoannulata igorotus
- Xanthopimpla stemmator
- Metarrhizium anisopliae
- Question of
All are factors influencing asexual reproduction, except
- Soil texture
- Day length
- Light intensity
- Water
- Question of
To complete their life cycle , a perennial weeds require
- 1 year
- more than a year to two
- More than two year
- More than 3 years
- Question of
This is the copying of other species for protection by which a palatable resemble the appearance of a distasteful or poisonous species is called
- Mullerian mimicry
- Batesian mimicry
- Wasmannian mimicry
- None of the choices
- Question of
The most devastating virus diseases of Philippine crop are, except
- Tungro disease of rice
- Tristeza disease of citrus
- Abaca mosaic
- Stalk rot of corn
- Question of
The first Filipino Entomology instructor @ UPLB and first Filipino to obtain doctoral degree in Entomology
- Cendana
- Viado
- Uichanco
- Rimando
- Question of
The important principles behind the IPM are , except
- Allow pest population to exist below ETL (Economic Threshold Evel)
- Understand that an ecosystem is a management unit
- Maximize the use of chemical methods of pest control
- May produce undesirable or unexpected effect
- Question of
A rodenticide which cause death of rats after ingestion is called
- Slow acting poisons
- Fumigants
- Acute poisons
- Chemotherapeutic
- Question of
Means suppressing a given species of weeds from contaminating an area
- Prevention
- Eradication
- Control
- Physical or mechanical methods
- Question of
A pesticide with a color of blue band is
- Insecticide
- Fungicide
- Herbicide
- Rodenticide
- Question of
A weed control which involves environmental manipulation to reduce the weed population
- Preventive
- Biological
- physical or mechanical methods
- Managerial or cultural methods
- Question of
This is the third insect body region and the largest part used for reproduction since it bears the genetalia
- Mesothorax
- Thorax
- Abdomen
- Prothorax
- Question of
Bees ,wasps and ants belong to Order Hymenoptera with a mouthpart adapted for gathering nectar (liquid)and for cutting solids
- Rasping – sucking
- Chewing – lapping
- Chewing
- Piercing –sucking
- Question of
An insect life intervening stage is called
- Egg
- Larvae
- Pupa
- Imago
- Question of
The actual appearance of the insect after molting
- Instar
- Stadium
- Imago
- Ecdysis
- Question of
When a larva is capable or reproduction ,they are called
- Bisexual reproduction
- Parthenogenesis reproduction
- Paedogenesis reproduction
- Oviparity reproduction
- Question of
This insect life stages having fully developed and functional reproductive organs and associated mating or egg-laying structure
- Nymph
- Larva
- Instar
- Imago
- Question of
An insect food habits which refer to the feeding on dead organic matter
- Saprophagous
- Phytophagous
- Zoophagous
- Entomologous
- Question of
The three most conspicuous elements of insect mouthparts are , expect:
- Mandible
- Maxillae
- Labrum
- Moniliform
- Question of
The sum total of all external conditions which may act upon an individual insect.These conditions are living and non living is called
- Ecosystem
- Agro-ecosystem
- Environment
- Habitat
- Question of
An insect feeding habit by which an insect derive nutrition from other organisms/ insect without killing them is called
- Predators
- Scavengers
- Parasites
- Herbivores
- Question of
An insect natural enemy that feed on several prey(pest)to complete their life cycle is called
- Parasitoids
- Predators
- Pathogens
- Scavenger
- Question of
The positive effects of weeds are, except
- Provide germplasm for crop improvement
- Provide habitat for insect predators
- Exude chemicals that are harmful to other plants
- Sources of possible pesticides
- Question of
A weed with a long narrow leaves , parallel veins ; round hollow stem and leaves are aligned up and down the stem in two rows is called
- Grass
- Sedges
- Broadleaves
- Herbaceous
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