Horticulture MCQs
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What is Horticulture?
Horticulture is the art and science of cultivating plants, focusing on intensive, high-value crops like fruits, vegetables, flowers, and ornamental plants, bridging the gap between large-scale agriculture and home gardening for both sustenance and aesthetics.
Frequently Asked Questions (FAQs)
What are the Branches of Horticulture?
Horticulture involves specialized branches such as pomology (fruits and nuts), olericulture (vegetables and herbs), floriculture (flowers and ornamental plants), and landscape horticulture (ornamentals). It aims to produce healthy, beautiful, and high-yielding plants through scientific knowledge and skilled management.
What is Pomology?
Pomology is a specialized branch of horticulture that deals with the scientific study of production, improvement, harvesting, storage, processing, and marketing of fruit and nut crops, including mango, citrus, apple, guava, date palm, almond, and walnut. (Pomology)
What is Olericulture?
Olericulture is the specialized branch of horticulture that deals with the science of production, handling, and marketing of vegetable crops and culinary herbs, mainly including herbaceous food plants like tomato, potato, onion, spinach, carrot, cabbage, and pea (Olericulture).
What is Floriculture?
Floriculture is the branch of ornamental horticulture dealing with the growing, managing, and marketing of flowers and ornamental plants. Cut flowers, potted flowering plants, bedding plants, foliage plants, and floral greenery are among the major examples. (Floriculture)
What is Landscape Horticulture?
Landscape horticulture is the branch of horticulture concerned with the selection, production, establishment, design, and maintenance of plants in constructed outdoor and indoor environments. It includes lawns, gardens, parks, roadside plantations, trees, shrubs, vines, and nursery plants used for ornamental purposes. (Horticulture)
What is Arboriculture?
Arboriculture is the science and practice of cultivating, managing, and caring for individual trees, shrubs, vines, and other perennial woody plants, especially in gardens, parks, streets, and urban landscapes. It includes pruning, planting, diagnosis of tree health problems, and risk management. (Arboriculture)
What is Viticulture?
Viticulture is the branch of horticulture concerned with the cultivation and harvesting of grapevines and grapes. It covers vineyard operations such as variety selection, planting, training, pruning, canopy management, nutrition, pest management, and harvest; grapes may be produced for wine, table use, raisins, or juice. (Creasy, 2025)
What is nursery management?
Nursery management involves propagation, raising, hardening, and marketing of planting material such as seedlings, saplings, rootstocks, ornamental plants, and fruit plants. It uses seeds, cuttings, layering, grafting, budding, tissue culture, and other methods of plant propagation.
What is Postharvest horticulture?
Postharvest horticulture involves the management of harvested fruits, vegetables, flowers, and ornamentals to retain quality and reduce losses during harvesting, grading, packaging, storage, transport, processing, and marketing. It includes cooling, controlled atmospheres, ethylene management, and disease control.
What are medicinal and aromatic plants?
Cultivation, improvement, harvesting, processing, and utilization of plants valued for medicines, essential oils, flavorings, fragrances, and natural products—for example, mint, basil, lemongrass, aloe vera, and ashwagandha.
Major Branches of Horticulture
| Branch | Main focus |
|---|---|
| Pomology | Fruit crops |
| Olericulture | Vegetable crops |
| Floriculture | Flowers and ornamentals |
| Landscape Horticulture | Gardens, parks and landscapes |
| Arboriculture | Trees and shrubs |
| Viticulture | Grape production |
Edible-crop Horticulture
• Pomology: fruits and nuts
• Olericulture: vegetables and herbs
• Viticulture: grapes
• Spices, medicinal plants, aromatic plants, and plantation crops
Ornamental and Environmental Horticulture
• Floriculture
• Landscape horticulture
• Arboriculture
• Nursery management
• Turfgrass management
• Interiorscaping
Why is horticulture important?
Horticulture is important because it produces the fruits, vegetables, flowers, spices, medicinal plants, and landscape plants that support nutrition, income, environmental quality, and human well-being. Unlike many broad-acre field crops, horticultural crops are generally high-value, highly perishable, and frequently rich in protective nutrients (FAO).
It supports food security as a source of essential nutrients through fruits and vegetables, which are important for human health and nutrition.
It facilitates economic growth, as high-value horticultural crops often yield higher income for farmers in comparison to traditional crops.
It improves the environment and quality of life by beautifying urban and rural spaces, facilitating biodiversity, and mitigating carbon emissions.
What is the difference between pomology and olericulture?
Pomology and olericulture are branches of horticulture, however, the main difference is the type of crop studied and produced: pomology deals with fruit and nut crops, however, olericulture deals with vegetable crops.
What is floriculture?
Floriculture is the branch of ornamental horticulture concerned with the cultivation, propagation, harvesting, handling, marketing, and use of flowers and ornamental plants.
Which horticulture topics are important for competitive exams?
For horticulture-based competitive examinations, focus on the fundamentals and scope of horticulture; plant propagation and nursery management; pomology, including fruit classification, orchard layout, training, pruning, pollination, fruit set, maturity, and major fruit crops; and olericulture, including vegetable classification, nursery raising, crop management, seed production, off-season cultivation, and physiological disorders.
Where can I practice horticulture MCQs with answers?
See Sample tests resources available at our website [Horticulture MCQs] [Pomology MCQs]Â [Olericulture MCQs]Â [Postharvest Technology MCQs] [Plant Physiology MCQs]Â [Plant Nutrition MCQs] [Crop & Environment MCQs]
Horticulture MCQs
1. Technically, banana fruit is called __________.
A. Berry
B. Drupe
C. Stone
D. Pome
Answer: A: Berry
Explanation: Botanically, the banana is classified as a berry because it develops from a single ovary and has fleshy tissue with seeds embedded within it).
2. Quince is a common rootstock for __________.
A. Pear
B. Peach
C. Plum
D. Pomegranate
Answer: A: Pear
Explanation: Quince (Cydonia oblonga) is widely used as a dwarfing rootstock for pear)
3. Which of the following is the scientific name of the common banana?
A. Musa sapientum
B. Phoenix dactylifera
C. Annona cherimola
D. Citrullus lanatus
Answer: A: A. Musa sapientum
Explanation: Musa sapientum is a traditional botanical name associated with the cultivated banana.)
4. Which of the following plants exhibits hypogeal germination?
A. Tomato
B. Beans
C. Pea
D. Pumpkin
Answer: C: Pea
Explanation: In hypogeal germination, the cotyledons remain below the soil surface while the epicotyl elongates. Pea is a classic example of hypogeal germination).
5. What is the primary advantage of using aeroponics in vertical farming?
A. Increase crop yield
B. Improve plant growth
C. Reduced water use
D. Reduce labor cost
Answer: C. Reduced water use
Explanation: Aeroponics grows plants with their roots suspended in air and supplied with a fine nutrient mist. This system can use substantially less water than conventional soil-based cultivation.
6. Water availability to vegetable crops is lowest in which soil type?
A. Loam
B. Sandy
C. Clay
D. Silt
Answer: B. Sandy
Explanation: Sandy soils have large particles and large pore spaces, allowing water to drain rapidly. Consequently, they generally have lower water-holding capacity and less plant-available water than loam or clay soils.
7. Which botanical designation is commonly used for cultivated hybrid garden roses?
A. Rosa canina
B. Rosa damascena
C. Rosa × hybrida
D. Rosa rugosa
Answer: C. Rosa × hybrida
Explanation: Rosa × hybrida is a commonly used botanical designation for hybrid roses, which include many cultivated garden roses.
8. Selection of plants based on phenotypic superiority is called __________.
A. Pure line
B. Mass selection
C. Inbred line
D. Hybrid
Answer: B. Mass selection
Explanation: Mass selection involves selecting a group of superior plants based primarily on their observable characteristics (phenotype), harvesting their seeds, and using the combined seed for the next generation.
9. Which of the following is the scientific name of the pot marigold plant?
A. Taraxacum officinale
B. Chrysanthemum coronarium
C. Calendula officinalis
D. Bellis perennis
Answer: C. Calendula officinalis
Explanation: Calendula officinalis is commonly known as pot marigold.
10. The process by which plants exude water droplets from leaf tips or margins through specialized pores called hydathodes is called __________.
A. Guttation
B. Transpiration
C. Evaporation
D. Dew
Answer: A. Guttation
Explanation: Guttation is the exudation of liquid water from leaf margins or tips through specialized structures called hydathodes, usually when root pressure is high and transpiration is low.
11. Which of the following is a monocot and monoecious fruit plant?
A. Strawberry
B. Date palm
C. Banana
D. Papaya
Answer: C. Banana
12. Which of the following is the scientific name of the kiwifruit plant?
A. Fragaria × ananassa
B. Ficus carica
C. Actinidia deliciosa
D. Persea americana
Answer: C. Actinidia deliciosa
13. Mulberry is a ______ type of fruit.
A. Stone fruit
B. Multiple fruit
C. Pepo
D. Aggregate fruit
Answer: B. Multiple fruit
14. Which of the following is NOT a solanaceous vegetable?
A. Tomato
B. Broccoli
C. Pepper
D. Eggplant
Answer: B. Broccoli
15. Which of the following is the scientific name of the avocado plant?
A. Ficus carica
B. Actinidia deliciosa
C. Persea americana
D. Fragaria × ananassa
Answer: C. Persea americana
16. The fruit of Brassica is botanically called a ______.
A. Pinna
B. Frond
C. Silique
D. Spathe
Answer: C. Silique
17. A leaflet of the date palm is botanically called a ______.
A. Frond
B. Pinna
C. Spathe
D. Silique
Answer: B. Pinna
18. In the binomial nomenclature system, the first name is always the ______.
A. Subfamily name
B. Genus name
C. Species name
D. Family name
Answer: B. Genus name
19. The inflorescence of banana is called a ______.
A. Stone
B. Capitulum
C. Spadix
D. Silique
Answer: C. Spadix
20. The science of fruit production is called ______.
A. Pomology
B. Olericulture
C. Viticulture
D. Sericulture
Answer: A. Pomology
21. _____________ cause many of the most important postharvest decays in fruit crops.
A. Fungi
B. Nematodes
C. Viruses
D. Weeds
Answer: A. Fungi
Explanation: Fungal pathogens are major causes of postharvest decay, particularly when wounds and favorable temperature and humidity conditions facilitate infection.
22. Total soluble solids (TSS) are commonly expressed as _______________________.
A. Milligrams per kilogram
B. Degrees Brix
C. Kilopascals
D. Newtons
Answer: B. Degrees Brix
Explanation: TSS is commonly measured using a refractometer and expressed as degrees Brix (°Brix), which is closely associated with the soluble sugar concentration of fruit juices).
23. Which instrument is commonly used to measure fruit firmness in postharvest quality assessment?
A. Penetrometer
B. Gas chromatograph
C. Colorimeter
D. Refractometer
Answer: A. Penetrometer
Explanation: A penetrometer measures the force required to penetrate fruit tissue and is widely used to assess fruit firmness and maturity).
24. What is the most immediate effect of reducing plant spacing (higher planting density) in a vegetable crop?
A. Increased competition among plants for light, water, and nutrients
B. No change in yield
C. Increased light interception per plant
D. Decreased competition for light
Answer: A. Increased competition among plants for light, water, and nutrients
Explanation: Closer spacing increases the number of plants competing for available resources, particularly light, water, and nutrients).
25. A plant completing its life cycle within one growing season is termed _______.
A. Biennial
B. Ephemeral
C. Perennial
D. Annual
Answer: D. Annual
Explanation: An annual plant completes its entire life cycle—from germination to flowering, seed production, and death—within a single growing season).
26. Hydroponics is a method of growing plants _______.
A. Using only compost as fertilizer
B. Under shade nets only
C. Without soil, using nutrient-rich water solutions
D. In soil with regular watering
Answer: C. Without soil, using nutrient-rich water solutions
Explanation: Hydroponics is a soilless production system in which plant roots receive essential nutrients through a water-based nutrient solution).
MCQs for Competitive Examinations and Testing Services
These expert-reviewed horticulture MCQs cover key concepts in horticulture and related agricultural sciences. They are useful for university examinations, Agriculture Officer recruitment tests, and competitive examinations, including PPSC, FPSC, KPPSC, SPSC, BPSC, and other testing services.
Plant science, Gardening, Landscape Design, Floriculture, Pomology, Olericulture, Horticultural therapy, Urban agriculture, Greenhouse management, Nursery management, Fruits, Vegetables, Flowers, Herbs, Trees, Ornamental plants, Shrubs, evergreen, deciduous, Vines, Succulents, Cacti, Bulbous plants
Propagation, seeding, grafting, budding, Pruning, Training, espalier, topiary, Irrigation management, Fertilization, Pest management, integrated pest management, IPM, Disease management, Soil amendment, Mulching, Composting
Hydroponics, Aeroponics, Aquaponics, Greenhouse production, Container gardening, Vertical gardening, Biodynamic farming, Permaculture, Polyculture, Regenerative agriculture, Weather forecasting, Decision support systems, Greenhouse automation, LED grow lights, Horticultural software.
Editorial note: These MCQs are intended for academic and competitive-examination practice. Questions and answers are reviewed against standard horticultural references; where terminology or classification varies among sources, the accepted reference is indicated.
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