Agriculture MCQs with Answers

Which gas is essential for photosynthesis?
a) Oxygen
b) Carbon dioxide
c) Nitrogen
d) Hydrogen
Answer: b) Carbon dioxide

Which part of the plant absorbs water and minerals?
a) Roots
b) Leaves
c) Stem
d) Flowers
Answer: a) Roots

What is the primary function of the xylem in plants?
a) Transporting sugars
b) Transporting water and minerals
c) Transporting hormones
d) Transporting proteins
Answer: b) Transporting water and minerals

Which type of soil has the smallest particles?
a) Sand
b) Silt
c) Clay
d) Loam
Answer: c) Clay

Which nutrient is primarily responsible for the green color in plants?
a) Nitrogen
b) Phosphorus
c) Potassium
d) Chlorine
Answer: a) Nitrogen

Which of the following is a cereal crop?
a) Cotton
b) Wheat
c) Sugarcane
d) Coffee
Answer: b) Wheat

Which irrigation system delivers water directly to the plant root zone?
a) Drip irrigation
b) Furrow irrigation
c) Flood irrigation
d) Sprinkler irrigation
Answer: a) Drip irrigation

The process of changing a liquid into vapor is known as:
a) Condensation
b) Evaporation
c) Sublimation
d) Precipitation
Answer: b) Evaporation

Which insect is known as the ‘father of all pests’?
a) Aphid
b) Whitefly
c) Grasshopper
d) Locust
Answer: d) Locust

Which of the following is a Kharif crop in India?
a) Wheat
b) Rice
c) Barley
d) Mustard
Answer: b) Rice

Which of the following is a greenhouse gas released from agricultural activities?
a) Carbon dioxide
b) Methane
c) Nitrous oxide
d) Sulfur dioxide
Answer: b) Methane

What is the main purpose of organic farming?
a) Maximizing crop yield
b) Minimizing pesticide use
c) Intensive land use
d) Monoculture farming
Answer: b) Minimizing pesticide use

Which of the following is a leguminous crop?
a) Corn
b) Soybeans
c) Wheat
d) Rice
Answer: b) Soybeans

Which part of the plant is responsible for photosynthesis?
a) Leaves
b) Roots
c) Flowers
d) Stem
Answer: a) Leaves

What is the process of breaking down complex organic matter into simpler substances with the help of microorganisms called?
a) Decomposition
b) Fermentation
c) Combustion
d) Oxidation
Answer: a) Decomposition

What is the major source of natural rubber?
a) Rubber tree
b) Palm tree
c) Coconut tree
d) Pine tree
Answer: a) Rubber tree

Which of the following is a rabi crop in India?
a) Rice
b) Maize
c) Wheat
d) Sugarcane
Answer: c) Wheat

What is the term for the practice of growing two or more crops in the same piece of land in a definite pattern?
a) Crop rotation
b) Intercropping
c) Monoculture
d) Polyculture
Answer: b) Intercropping

Which of the following is a non-renewable source of energy used in agriculture?
a) Solar energy
b) Wind energy
c) Fossil fuels
d) Biomass
Answer: c) Fossil fuels

Which tool is commonly used for tilling the soil?
a) Plow
b) Harrow
c) Sickle
d) Axe
Answer: a) Plow

Which process involves the transfer of pollen from the male reproductive organ to the female reproductive organ of a flower?
a) Fertilization
b) Pollination
c) Germination
d) Photosynthesis
Answer: b) Pollination

Which of the following is an example of a cash crop?
a) Cotton
b) Onion
c) Carrot
d) Potato
Answer: a) Cotton

Which element is crucial for the formation of chlorophyll in plants?
a) Iron
b) Magnesium
c) Calcium
d) Zinc
Answer: b) Magnesium

What is the process of removal of excess water from the soil surface?
a) Drainage
b) Irrigation
c) Sprinkling
d) Drip system
Answer: a) Drainage

The practice of growing two or more crops in alternate rows is known as:
a) Alley cropping
b) Strip cropping
c) Mixed cropping
d) Sequential cropping
Answer: b) Strip cropping

Which of the following is a micronutrient required for plant growth?
a) Nitrogen
b) Phosphorus
c) Iron
d) Potassium
Answer: c) Iron

What is the term for the conversion of ammonia into nitrites and nitrates by soil bacteria?
a) Ammonification
b) Nitrification
c) Denitrification
d) Nitrogen fixation
Answer: b) Nitrification

Which farming practice involves the cultivation of crops and the rearing of animals together?
a) Mixed farming
b) Monoculture
c) Horticulture
d) Pastoral farming
Answer: a) Mixed farming

What is the main function of the phloem in plants?
a) Transporting water and minerals
b) Transporting sugars
c) Transporting oxygen
d) Transporting hormones
Answer: b) Transporting sugars

What is the term for the removal of the outer husk from grains?
a) Threshing
b) Winnowing
c) Husking
d) Grinding
Answer: c) Husking

Which of the following is an example of a leguminous crop?
a) Barley
b) Lentils
c) Oats
d) Millet
Answer: b) Lentils

What is the term for the artificial raising of crops without soil, using nutrient-rich water?
a) Hydroponics
b) Aeroponics
c) Aquaponics
d) Geoponics
Answer: a) Hydroponics

Which of the following is a warm-season crop?
a) Potato
b) Tomato
c) Spinach
d) Cucumber
Answer: d) Cucumber

What is the term for the loss of water from the surface of leaves to the atmosphere?
a) Transpiration
b) Evaporation
c) Absorption
d) Respiration
Answer: a) Transpiration

Which of the following is a perennial crop?
a) Wheat
b) Maize
c) Apple
d) Rice
Answer: c) Apple

Which of the following is a cereal grain crop?
a) Soybeans
b) Millet
c) Chickpeas
d) Peanuts
Answer: b) Millet

The term “GMO” stands for:
a) Genetically Modified Organism
b) Genetically Modified Organic
c) Growth Modified Organism
d) Growth Modified Organic
Answer: a) Genetically Modified Organism

What is the term for the practice of growing only one crop on a piece of land?
a) Monoculture
b) Polyculture
c) Agroforestry
d) Intercropping
Answer: a) Monoculture

Which of the following is a cool-season crop?
a) Okra
b) Spinach
c) Cucumber
d) Watermelon
Answer: b) Spinach

What is the term for the controlled burning of crop residues to improve soil fertility?
a) Slash-and-burn
b) Composting
c) Incineration
d) Crop rotation
Answer: a) Slash-and-burn

What is the term for the process of adding nutrients to the soil to improve its fertility?
a) Fertilization
b) Irrigation
c) Aeration
d) Liming
Answer: a) Fertilization

Which of the following is an example of a tuber vegetable?
a) Carrot
b) Onion
c) Potato
d) Lettuce
Answer: c) Potato

Which gas is released during the process of photosynthesis?
a) Oxygen
b) Carbon dioxide
c) Nitrogen
d) Hydrogen
Answer: a) Oxygen

What is the term for the study of insects and their relationship to plants, animals, and humans?
a) Entomology
b) Ornithology
c) Botany
d) Zoology
Answer: a) Entomology

Which of the following is an example of a greenhouse vegetable?
a) Pumpkin
b) Tomato
c) Cabbage
d) Radish
Answer: b) Tomato

What is the term for the process of exposing seeds to cold or moist conditions to break dormancy?
a) Vernalization
b) Stratification
c) Fermentation
d) Imbibition
Answer: b) Stratification

Which of the following is a leguminous forage crop?
a) Alfalfa
b) Ryegrass
c) Bermuda grass
d) Timothy grass
Answer: a) Alfalfa

What is the term for the process of preserving food by drying and removing moisture?
a) Dehydration
b) Fermentation
c) Pasteurization
d) Canning
Answer: a) Dehydration

Which of the following is a biennial plant?
a) Carrot
b) Wheat
c) Tomato
d) Radish
Answer: a) Carrot

What is the term for the practice of growing different crops in the same field in a pre-planned succession?
a) Crop rotation
b) Crop diversification
c) Mixed cropping
d) Polyculture
Answer: a) Crop rotation

What is the term for the process of turning and breaking up soil to prepare it for planting?
a) Plowing
b) Sowing
c) Harvesting
d) Threshing
Answer: a) Plowing

Which of the following is an example of a root vegetable?
a) Broccoli
b) Carrot
c) Spinach
d) Cauliflower
Answer: b) Carrot

What is the term for the removal of unwanted plants from a cultivated area?
a) Weeding
b) Pruning
c) Thinning
d) Trimming
Answer: a) Weeding

Which of the following is a staple food in many Asian and African countries?
a) Rice
b) Wheat
c) Corn
d) Barley
Answer: a) Rice

What is the term for the practice of cultivating plants and trees for sale?
a) Floriculture
b) Horticulture
c) Arboriculture
d) Viticulture
Answer: a) Floriculture

Which of the following is an example of a perennial plant?
a) Wheat
b) Apple tree
c) Tomato plant
d) Soybean plant
Answer: b) Apple tree

What is the term for the deliberate removal of plant parts to promote growth and improve yield?
a) Pruning
b) Thinning
c) Weeding
d) Grafting
Answer: a) Pruning

Which of the following is a fast-growing leguminous tree often used for nitrogen fixation and soil improvement?
a) Acacia
b) Pine
c) Oak
d) Maple
Answer: a) Acacia

What is the term for the practice of preserving green fodder in a succulent condition for feeding to livestock?
a) Silage making
b) Haymaking
c) Pasture management
d) Forage conservation
Answer: a) Silage making

Which of the following is a method of asexual propagation in plants?
a) Grafting
b) Pollination
c) Fertilization
d) Transplanting
Answer: a) Grafting

What is the term for the process of breaking down organic matter by microorganisms into a nutrient-rich soil conditioner?
a) Composting
b) Fermentation
c) Incineration
d) Decomposition
Answer: a) Composting

Which of the following is an example of a cashew tree?
a) Tree
b) Shrub
c) Herb
d) Vine
Answer: a) Tree

What is the term for the process of gathering mature crops from the field?
a) Harvesting
b) Threshing
c) Sowing
d) Plowing
Answer: a) Harvesting

Which of the following is a cold-season crop?
a) Okra
b) Eggplant
c) Spinach
d) Watermelon
Answer: c) Spinach

What is the term for the practice of growing plants in water without soil?
a) Hydroponics
b) Aeroponics
c) Aquaponics
d) Geoponics
Answer: a) Hydroponics

Which of the following is a leguminous oilseed crop?
a) Sunflower
b) Soybeans
c) Coconut
d) Palm
Answer: b) Soybeans

What is the term for the process of removing the outer covering of seeds before planting?
a) Scarification
b) Germination
c) Imbibition
d) Stratification
Answer: a) Scarification

Which of the following is an example of a biennial plant?
a) Spinach
b) Radish
c) Cabbage
d) Tomato
Answer: b) Radish

What is the term for the practice of raising aquatic organisms for human consumption?
a) Aquaculture
b) Mariculture
c) Sericulture
d) Apiculture
Answer: a) Aquaculture

Which of the following is a grain legume commonly used for its edible seeds?
a) Peas
b) Cauliflower
c) Broccoli
d) Brussels sprouts
Answer: a) Peas

What is the term for the removal of undesirable plants from a crop field?
a) Weeding
b) Thinning
c) Pruning
d) Harvesting
Answer: a) Weeding

Which of the following is a warm-season grass commonly used for forage?
a) Timothy grass
b) Ryegrass
c) Bermuda grass
d) Kentucky bluegrass
Answer: c) Bermuda grass

What is the term for the study of soils and their properties?
a) Pedology
b) Agronomy
c) Agroecology
d) Pomology
Answer: a) Pedology

Which of the following is a tool used for applying fertilizers to the soil?
a) Fertilizer spreader
b) Plow
c) Trowel
d) Rake
Answer: a) Fertilizer spreader

What is the term for the practice of growing fruits and berries?
a) Pomology
b) Olericulture
c) Viticulture
d) Floriculture
Answer: a) Pomology

Which of the following is a method of asexual propagation used for plants with woody stems?
a) Hardwood cutting
b) Softwood cutting
c) Leaf cutting
d) Root cutting
Answer: a) Hardwood cutting

What is the term for the process of growing plants in a controlled environment without soil?
a) Soilless farming
b) Organic farming
c) Precision farming
d) Greenhouse farming
Answer: a) Soilless farming

Which of the following is a method of weed control that involves cutting off weeds just above the ground?
a) Mowing
b) Mulching
c) Plowing
d) Rototilling
Answer: a) Mowing

What is the term for the process of removing excess water from the soil to prevent waterlogging?
a) Drainage
b) Irrigation
c) Leaching
d) Transpiration
Answer: a) Drainage

Which of the following is a tuberous root vegetable?
a) Potato
b) Carrot
c) Beetroot
d) Onion
Answer: a) Potato

What is the term for the practice of protecting crops from pests and diseases?
a) Pest control
b) Disease control
c) Pest management
d) Disease management
Answer: c) Pest management

Which of the following is a method of controlling erosion by planting trees and shrubs in rows?
a) Shelterbelts
b) Contour plowing
c) Terracing
d) Strip cropping
Answer: a) Shelterbelts

What is the term for the process of collecting and storing rainwater for later use in agriculture?
a) Rainwater harvesting
b) Drip irrigation
c) Sprinkler irrigation
d) Flood irrigation
Answer: a) Rainwater harvesting

Which of the following is a method of weed control that involves covering the soil around plants with a protective layer?
a) Mulching
b) Mowing
c) Plowing
d) Tilling
Answer: a) Mulching

What is the term for the process of growing plants in water containing dissolved nutrients but without soil?
a) Hydroponics
b) Aquaculture
c) Aeroponics
d) Mariculture
Answer: a) Hydroponics

Which of the following is a warm-season leguminous crop?
a) Chickpeas
b) Lentils
c) Peas
d) Beans
Answer: a) Chickpeas

What is the term for the practice of removing excess leaves from a plant to improve airflow and light penetration?
a) Thinning
b) Pruning
c) Deadheading
d) Topping
Answer: b) Pruning

Which of the following is a method of asexual propagation in plants using a part of the stem?
a) Cutting
b) Grafting
c) Layering
d) Division
Answer: a) Cutting

What is the term for the process of moving young seedlings from a nursery to their final location in the field?
a) Transplanting
b) Grafting
c) Topping
d) Pollination
Answer: a) Transplanting

Which of the following is a method of controlling pests using natural predators and parasites?
a) Biological control
b) Chemical control
c) Mechanical control
d) Cultural control
Answer: a) Biological control

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