Crop Science – Agriculturist Licensure Exam Reviewer (Set 1)



  • Question of

    One of the main response of plants to duration of daylight is flowering . How do you call a response to the length of daylight by plants:

    • Photoperiodism
    • Thermoperiod
    • Geotropism
    • Floricane
  • Question of

    Angiosperms are divided into monocot and dicot. The three basic parts of a plant are as follows, except one:

    • Stems
    • Branches
    • Roots
    • Leaves
  • Question of

    Simple permanent tissues are uniform . They have only type of cell structure . These include the following , except:

    • Epidermis
    • Parenchyma
    • Xylem
    • Schlerenchyma
  • Question of

    A plant which conserve or store water so that they will grow well in dry place is called

    • Mesophytes
    • Hydrophytes
    • Xerophytes
    • None of the choices
  • Question of

    The soil’s water contains dissolved mineral salts . This liquid is known as the

    • Soil pH
    • Soil solution
    • Soil saline
    • Soil probe
  • Question of

    Applying lime to the soil serves the following , except;

    • Sweetness the soil
    • Improves the availability of plant nutrients
    • Increases the activity of microorganism
    • Increases the soil Ph
  • Question of

    A nitrogen loss for plant when urea is converted to ammonium carbonate when applied to warm Moist soils is called

    • Leaching
    • Denitrification
    • Nitrification
    • Volatilization
  • Question of

    When the chemical produced by one plant affect another plant more productive , this is called?

    • Allelopathy
    • Inhibitor
    • Phytoxicity
    • Ginning
  • Question of

    Uses up stored energy and gives off heat is

    • Photosynthesis
    • Transpiration
    • Metabolism
    • Respiration
  • Question of

    Stamen is made up of the following , except one;

    • Pollen
    • Anther
    • Style
    • Filament
  • Question of

    Act of placing pollen from the male reproductive organ into the female reproductive organ into the female reproductive organ of a flower , often is carried out by bees or wind is called

    • Fertilization
    • Regeneration
    • Translocation
    • Pollination
  • Question of

    The botanical name for cassava

    • Diocorea alata
    • Manihot esculenta
    • Pennisetum purpureum
    • Mangifera indica
  • Question of

    Produces the pollen grains is

    • Anther
    • Filament
    • Stigma
    • Pollen tube
  • Question of

    A vegetative method of propagating new plants by producing adventitious roots before the new plant is cut from the parent . A portion of an attached shoot is partially buried underground where roots develop is called

    • Grafting
    • Layering
    • Budding
    • Cutting
  • Question of

    A process in which nitrogen in the atmosphere is fixed and converted to usable forms by nitrogen –fixing bacteria and actinomycetes

    • Nitrogen fixation
    • Organic matter decomposition
    • Mineralization
    • Mobilization
  • Question of

    Transplanting method for lowland rice has the following advantages , except one:

    • Plants have a headstart in growth over weeds
    • Crop stays for a shorter time the field
    • Less labor requirement in planting
    • Ease in weeding operation
  • Question of

    A plant part which forms the lower stem and root is called

    • Epicotyl
    • Hypocotyl
    • Epigynous
    • Hypogynous
  • Question of

    A root which become food reservoirs that retain surplus food during the adverse period to be used by the plant when it is able to renew its growth

    • Fibrous root
    • Tap root
    • Fleshy roots
    • Aerial root
  • Question of

    A type of stem without branches such as in papaya and corn

    • Crown
    • Simple
    • Climbing
    • Stolon
  • Question of

    This is the period within 2 to 3 weeks prior to harvesting of rice when water is no longer needed is called

    • Ripening stage
    • Reproductive stage
    • Seed filling stage
    • Vegetative stage
  • Question of

    Intermittent irrigation is a system of water application in which paddy fields are alternately flooded and drained . Soil surface is allowed to dry before the next water application is made . It has the following advantages, except one:

    • Less requirement of irrigation water
    • Lessening of drainage problems
    • Promotion of soil aeration thereby avoiding the formation of toxin and other substances detrimental to plants
    • It results in good weed control
  • Question of

    A fertilizer application method in which fertilizer is applied in a strip 3 to 3 cm beneath and to the side of the location of the seed during the operation is called:

    • Broadcast application
    • Band application
    • Sidedressing application
    • Localized application
  • Question of

    Coffee has the following cultivar or varieties , except one:

    • Arabian
    • Liberica
    • Excelsa
    • Criollo
  • Question of

    This budding method can be used when the bark is not slipping . This done by slicing downward into the rootstock at a 45 degree angle through one-quarter of the wood is called

    • Patch budding
    • Chip budding
    • T – budding
    • None of the choices
  • Question of

    Plants bear staminate and pistillate flowers on the same plant as in corn is called

    • Monoecious plants
    • Dioecious plants
    • Polygamous plants
    • Monorchid plants
  • Question of

    The stalk of an individual flower in a cluster is called

    • Peduncle
    • Calyx
    • Pedicel
    • Corolla
    • Corolla
  • Question of

    A part of the flower which connects the ovary to the stigma is called

    • Placenta
    • Style
    • Anther
    • Filaments
  • Question of

    A fruit derived from flowers that have many pistil on a common receptacle is called

    • Single fruits
    • Multiple fruits
    • Aggregate fruits
    • None of the choice
  • Question of

    This is the seed or vegetative propagating material produced by or under the direct control of the sponsoring plant breeder . It is the basis of the first and recurring increasing of basic seed

    • Foundation seed
    • Breeder seed
    • Registered seed
    • Certified seed
  • Question of

    The science and practice of growing , harvesting , handling , storing , processing and marketing tree fruits is called

    • Olericulture
    • Floriculture
    • Pomology
    • Horticulture
  • Question of

    The science and practice of growing harvesting , processing and marketing vegetables is called

    • Olericulture
    • Floriculture
    • Pomology
    • Horticulture
  • Question of

    The science and practice of growing , harvesting , storing , designing and marketing orchids , anthurium etc..plants is called

    • Pomology
    • Olericulture
    • Floriculture
    • Horticulture
  • Question of

    The cultivation of agricultural crops in the water is called

    • Hydroculture
    • Hydroponic
    • Hydroscopic cultivation
    • None of the choices
  • Question of

    The growing of two or more crops simultaneously on the field . It is denoted by a plus (+) sign between any two crops grown simultaneously is called

    • Sequential cropping
    • Relay cropping
    • Intercropping
    • None of the choices
  • Question of

    Gametogenesis in the female part of the flower is called

    • Microsporogenesis
    • Megasporogenesis
    • Parthenogenesis
    • Morphogenesis
  • Question of

    A part of the female flower develops into a seed on fruits as in the case may be

    • Style
    • Ovary
    • Ovule
    • Placenta
  • Question of

    As the fruit reaches the end of its growth period , it may undergo some characteristics qualitative changes , which are collectively referred to as

    • Senescence
    • Ripening
    • Flowering
    • None of the choices
  • Question of

    A small opening in the ovary through which a cell from the pollen grain passes the pollen tube is called

    • Microscophore
    • Macrophyle
    • Megapyle
    • Micropyle
  • Question of

    The part of the axis of an embryo above the region of attachment of the cotyledons is called

    • Endocarp
    • Ligule
    • Epicotyl
    • Hypocotyl
  • Question of

    The following are the varieties or cultivar of pineapple, except one:

    • Smooth cayenne
    • Pico
    • Red Spanish
    • Queen
  • Question of

    The first transgenic variety that was commercialized tomato release in the U.S.A in 1994 is called

    • Flavr –Savr
    • Improve pome
    • Cosima
    • Marion Market
  • Question of

    Cadang-cadang is caused by viroid, a disease of

    • Banana
    • Abaca
    • Coconut
    • Mango
  • Question of

    One of the dominating crop in Bicol Region is

    • Tobacco
    • Pili nut
    • Banana
    • Corn
  • Question of

    Vegetative materials for sugarcane , sweet potato, cassava and forage grasses is called

    • Stem cutting
    • Tubers
    • Bulbs
    • Corms
  • Question of

    Which is not the variety under Rambutan?

    • Chanee
    • Maharlika
    • Seematjan
    • Seenjonja
  • Question of

    Day neutral plants can initiate the flowers under any night length, example is

    • Potato
    • Corn
    • Tobacco
    • Soybean
  • Question of

    The study of processes occurring in plants and the influence of the environmental conditions on these processes is called

    • Plant Physiology
    • Plant Breeding and Genetics
    • Crop Protection
    • Horticulture
  • Question of

    Which of the following is not a discipline in Crop Protection?

    • Entomology
    • Plant Pathology
    • Weed Science
    • Crop Science
  • Question of

    A group of plants originating from a single individual and is reproduced asexually is called

    • Line cultivar
    • Clonal cultivar
    • Cultivar
    • Pome
  • Question of

    Oil crops that grown for oil content are as follows, except:

    • Coconut
    • Lumbang
    • Soybean
    • Castor

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