NEW
Font size
WorksheetsAgriculture Quiz
Total questions: 50
Worksheet time: 25mins
Which compound is primarily responsible for cation exchange capacity in soils?
Sand
Clay minerals
Nitrogen gas
Urea
What is the botanical term for fruit that develops without fertilization?
Polyploidy
Parthenocarpy
Hybridization
Vivipary
In ruminants, methane is mainly produced in the:
Omasum
Abomasum
Rumen
Reticulum
The gene responsible for dwarf varieties in wheat during the Green Revolution is known as:
Bt gene
Rht gene
Ppd gene
Sd1 gene
Which of the following is a precision agriculture tool?
Slash-and-burn
Global Positioning System (GPS) mapping
Broadcast seeding
Hand tillage
What is the main pollutant in agricultural runoff that causes eutrophication?
Phosphates
Sodium chloride
Carbonates
Sulfates
The most heat-tolerant cereal crop is:
Maize
Sorghum
Barley
Oats
A high feed conversion ratio (FCR) in animals indicates:
Better feed efficiency
Poor feed efficiency
Stable efficiency
No relation to efficiency
Which practice reduces erosion on steep slopes the most?
Strip grazing
Alley cropping
Contour terracing
Crop thinning
In hydroponics, the main medium used instead of soil is:
Sand and gravel
Nutrient solution
Peat only
Charcoal
In plant breeding, the term “backcrossing” refers to:
Crossing two pure lines
Crossing F1 with a parent
Crossing two different species
Inducing mutations
A common vector used in plant genetic engineering is:
E. coli
Plasmodium
Agrobacterium tumefaciens
Rhizopus species
The rumen microbial population is dominated by:
Fungi
Protozoa
Bacteria
Nematodes
The economic principle of “diminishing returns” in agriculture is most relevant to:
Land tenure
Fertilizer application
Poultry housing
Plant spacing
The internationally recognized standard for organic agriculture is regulated by:
IITA
FAO
IFOAM
UNESCO
The process of reclaiming saline soil involves:
Adding sodium
Waterlogging
Leaching with fresh water
Increasing pH
What is the primary cause of aflatoxin contamination?
Fungi in stored grains
Over-irrigation
Poor fertilizer use
Excessive pesticide residue
Carbon sequestration in agriculture primarily involves:
Increasing tillage
Incorporating organic matter
Burning stubble
Removing forests
The economic life of a dairy cow in commercial farms is generally:
1–2 years
3–5 years
6–8 years
10+ years
“Minimum tillage” is designed to reduce:
Soil carbon
Soil erosion and compaction
Crop root growth
Rainfall infiltration
The “Fixed Cost” in a farm business refers to:
Seed purchase
Fertilizer use
Land rent
Casual labor
Which livestock species has the highest dressing percentage?
Cattle
Poultry
Sheep
Goat
The main component of biofertilizers is:
Synthetic chemicals
Beneficial microorganisms
Mineral salts
Lime compounds
The hybrid vigor expressed in crossbreeding is known as:
Polyploidy
Heterosis
Mutation
Selfing
A high bulk density in soil indicates:
High porosity
Good aeration
Soil compaction
Low water retention
Which of the following is a water-efficient irrigation method?
Basin flooding
Sprinkler irrigation
Drip irrigation
Furrow irrigation
Anemia in pigs is commonly prevented by:
Vitamin A injection
Iron injection
High maize diets
Castration
The most productive tissue in plant secondary growth is:
Xylem
Cork cambium
Vascular cambium
Phloem
The disease “Gumboro” affects:
Cattle
Poultry
Goat
Camel
What is the most limiting nutrient in tropical soils?
Nitrogen
Phosphorus
Calcium
Sulfur
The process of raising fish in paddy fields is called:
Pisciculture
Rice-fish culture
Polyculture
Aquaponics
Micropropagation in plants is done using:
Cuttings
Seeds
Tissue culture
Grafting
The pH at which most soil nutrients are optimally available is:
3.5
4.5
6.5
9.0
Overgrazing mainly leads to:
Increased fertility
Biodiversity loss
Improved yield
Reduced waterlogging
The FAO was established in which year?
1919
1945
1962
1976
The main gas emitted by waterlogged soils is:
Oxygen
Nitrogen
Methane
Helium
The “Tsetse fly” is the vector of:
Heartwater disease
East Coast fever
Trypanosomiasis
Brucellosis
The major challenge with monoculture farming is:
Low pest risk
Soil biodiversity decline
High seed requirement
Reduced irrigation need
Which crop is most associated with cyanogenic glycosides?
Wheat
Cassava
Millet
Pumpkin
The term “evapotranspiration” refers to:
Plant wilting
Water loss from soil and plants
Soil saturation
Fertilizer movement
A common vaccine used in poultry disease control is for:
Brucellosis
Newcastle disease
Foot rot
Scours
In economics, “opportunity cost” refers to:
Money spent on inputs
Loss of the next best alternative
Farm profit
Gross margin
Which organ in ruminants absorbs excess water?
Rumen
Omasum
Reticulum
Abomasum
“Biopesticides” are usually derived from:
Petroleum
Minerals
Biological organisms
Synthetic polymers
The most suitable storage structure for grains in humid regions is:
Mud silo
Metal silo
Wooden barn
Open shed
What is the major effect of soil erosion on farmland?
Increased pH
Loss of topsoil
Higher organic matter
Increased salinity
The primary cause of “milk fever” in dairy cattle is:
Protein overdose
Calcium deficiency
Excessive exercise
Late lactation
The enzyme responsible for converting starch to sugar in germinating seeds is:
Urease
Amylase
Protease
Cellulase
In plant pathology, “vector transmission” refers to:
Nutrient uptake
Pollination
Disease spread by organisms
Root propagation
Which international treaty governs plant genetic resources?
Kyoto Protocol
Convention on Biodiversity
Cartagena Protocol
ITPGRFA
