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
Responses