Horticulture MCQs

Which of the following is NOT considered a type of horticulture?
a) Floriculture
b) Arboriculture
c) Apiculture
d) Agronomy
Answer: d) Agronomy


Which of the following is a method of asexual propagation in plants?
a) Grafting
b) Seed sowing
c) Cross-pollination
d) Selfing
Answer: a) Grafting


Which of the following is a tropical fruit?
a) Apple
b) Banana
c) Pear
d) Peach
Answer: b) Banana


What is the term for the science and art of growing fruits, vegetables, flowers, and ornamental plants?
a) Agriculture
b) Botany
c) Horticulture
d) Forestry
Answer: c) Horticulture


Which of the following is NOT a greenhouse gas?
a) Carbon dioxide (CO2)
b) Methane (CH4)
c) Nitrous oxide (N2O)
d) Oxygen (O2)
Answer: d) Oxygen (O2)


What is the process of controlled pollination in plants called?
a) Fertilization
b) Germination
c) Hybridization
d) Photosynthesis
Answer: c) Hybridization


Which of the following is a disease commonly found in roses?
a) Black spot
b) Downy mildew
c) Fusarium wilt
d) Rust
Answer: a) Black spot


What is the term for the process of hardening off plants before transplanting them outdoors?
a) Germination
b) Acclimatization
c) Transpiration
d) Photosynthesis
Answer: b) Acclimatization


Which of the following is a type of pruning that involves removing dead or diseased plant parts?
a) Thinning
b) Topping
c) Heading back
d) Cleaning
Answer: d) Cleaning


Which of the following is a perennial flower?
a) Marigold
b) Petunia
c) Sunflower
d) Tulip
Answer: d) Tulip


Which of the following is a method of weed control that involves covering the soil with a protective layer?
a) Mulching
b) Pruning
c) Trenching
d) Thinning
Answer: a) Mulching


Which of the following is an example of a warm-season vegetable?
a) Carrot
b) Spinach
c) Tomato
d) Cabbage
Answer: c) Tomato


What is the term for the process of removing excess moisture from the soil?
a) Fertilization
b) Irrigation
c) Drainage
d) Transpiration
Answer: c) Drainage


Which of the following is a greenhouse gas that contributes to global warming?
a) Oxygen (O2)
b) Nitrogen (N2)
c) Carbon dioxide (CO2)
d) Water vapor (H2O)
Answer: c) Carbon dioxide (CO2)


What is the main purpose of deadheading flowers?
a) To encourage branching
b) To prevent diseases
c) To control pests
d) To promote flowering
Answer: d) To promote flowering


Which of the following is a technique used to extend the growing season by protecting plants from frost?
a) Companion planting
b) Intercropping
c) Crop rotation
d) Season extension
Answer: d) Season extension


What is the term for the process of transferring pollen from the male part of a flower to the female part?
a) Fertilization
b) Pollination
c) Germination
d) Photosynthesis
Answer: b) Pollination


Which of the following is an example of a biennial plant?
a) Daffodil
b) Sunflower
c) Basil
d) Carrot
Answer: d) Carrot


Which of the following is a common disease in tomato plants caused by a fungus?
a) Verticillium wilt
b) Aphid infestation
c) Root rot
d) Powdery mildew
Answer: a) Verticillium wilt


What is the term for the process of removing the top portion of a plant to encourage lateral growth?
a) Thinning
b) Topping
c) Heading back
d) Pinching
Answer: c) Heading back


What is the process of growing plants in nutrient-rich water without soil called?
a) Hydroponics
b) Aeroponics
c) Xeriscaping
d) Aquaponics
Answer: a) Hydroponics


Which of the following is a method of plant propagation that involves separating plant parts and growing them individually?
a) Layering
b) Division
c) Tissue culture
d) Budding
Answer: b) Division


Which of the following is a common disease in fruit trees caused by a bacterial infection?
a) Anthracnose
b) Fire blight
c) Botrytis blight
d) Powdery mildew
Answer: b) Fire blight


What is the term for the process of removing unwanted plant parts to improve the overall appearance and health of a plant?
a) Fertilization
b) Cultivation
c) Pruning
d) Transplanting
Answer: c) Pruning


Which of the following is a cool-season vegetable?
a) Cucumber
b) Eggplant
c) Lettuce
d) Watermelon
Answer: c) Lettuce


What is the term for the practice of growing different crops in the same area in sequential seasons?
a) Crop rotation
b) Intercropping
c) Companion planting
d) Organic farming
Answer: a) Crop rotation


Which of the following is a method of pest control that involves introducing natural predators or parasites to control pests?
a) Integrated pest management
b) Crop rotation
c) Genetic engineering
d) Biological control
Answer: d) Biological control


Which of the following is an example of a vining plant commonly used in landscape designs?
a) Azalea
b) Hosta
c) Bougainvillea
d) Daffodil
Answer: c) Bougainvillea


What is the term for the process of transferring seedlings from a seed tray to individual pots?
a) Transplanting
b) Grafting
c) Sowing
d) Hardening off
Answer: a) Transplanting


Which of the following is a technique used to preserve fruits and vegetables by removing water content?
a) Fermentation
b) Canning
c) Freezing
d) Dehydration
Answer: d) Dehydration


Which of the following is a method of vegetative propagation that involves bending a low-growing branch of a plant and covering it with soil?
a) Air layering
b) Division
c) Grafting
d) Layering
Answer: d) Layering


What is the term for the practice of growing plants in a way that conserves water and reduces the need for irrigation?
a) Xeriscaping
b) Hydroponics
c) Mulching
d) Aeroponics
Answer: a) Xeriscaping


Which of the following is a common disease in citrus trees caused by a fungal infection?
a) Root rot
b) Citrus canker
c) Leaf curl
d) Anthracnose
Answer: b) Citrus canker


What is the term for the process of transferring pollen from the anther of a flower to the stigma of another flower on a different plant?
a) Self-pollination
b) Cross-pollination
c) Wind pollination
d) Insect pollination
Answer: b) Cross-pollination


Which of the following is a cool-season flower commonly grown for its vibrant blooms during spring?
a) Zinnia
b) Marigold
c) Snapdragons
d) Sunflowers
Answer: c) Snapdragons


What is the term for the practice of using organic materials, such as leaves and compost, to improve the soil structure and fertility?
a) Composting
b) Mulching
c) Fertilizing
d) Vermiculture
Answer: b) Mulching


Which of the following is an example of a greenhouse vegetable commonly grown for its juicy, red fruit?
a) Bell pepper
b) Cucumber
c) Pumpkin
d) Watermelon
Answer: d) Watermelon


What is the term for the process of removing the male reproductive organs of a flower to prevent self-pollination?
a) Deadheading
b) Pinching
c) Staking
d) Emasculation
Answer: d) Emasculation


Which of the following is a method of pest control that involves physically removing pests by hand?
a) Biological control
b) Chemical control
c) Cultural control
d) Mechanical control
Answer: d) Mechanical control


What is the term for the practice of growing two or more crops simultaneously in the same area for mutual benefits?
a) Companion planting
b) Intercropping
c) Succession planting
d) Monoculture
Answer: b) Intercropping


Which of the following is a method of seed dispersal in plants where seeds are carried by wind?
a) Hydrochory
b) Anemochory
c) Zoochory
d) Autochory
Answer: b) Anemochory


What is the term for the process of removing weeds manually or with the help of tools?
a) Tilling
b) Herbiciding
c) Cultivating
d) Weeding
Answer: d) Weeding


Which of the following is a disease commonly found in tomato plants caused by a fungal infection?
a) Early blight
b) Aphid infestation
c) Clubroot
d) Leaf spot
Answer: a) Early blight


What is the term for the process of converting organic waste into nutrient-rich compost?
a) Vermicomposting
b) Aerating
c) Fermentation
d) Rotting
Answer: a) Vermicomposting


Which of the following is an example of a perennial herb commonly used in culinary applications?
a) Basil
b) Cilantro
c) Dill
d) Parsley
Answer: a) Basil


What is the term for the practice of manipulating the growth of plants through the use of artificial light?
a) Photosynthesis
b) Phototropism
c) Photoperiodism
d) Photomorphogenesis
Answer: d) Photomorphogenesis


Which of the following is a disease commonly found in roses caused by a fungal infection?
a) Verticillium wilt
b) Gray mold
c) Crown gall
d) Powdery mildew
Answer: d) Powdery mildew


What is the term for the process of removing the outer husk or shell from a seed before sowing?
a) Germination
b) Scarification
c) Stratification
d) Desiccation
Answer: b) Scarification


Which of the following is a method of plant propagation that involves joining a stem or bud from one plant onto the rootstock of another plant?
a) Layering
b) Tissue culture
c) Grafting
d) Bulbil formation
Answer: c) Grafting


What is the term for the practice of intentionally bending and securing branches of plants to control their growth and shape?
a) Staking
b) Trimming
c) Training
d) Pinching
Answer: c) Training


Which of the following is a method of plant propagation that involves using specialized structures called bulbs?
a) Grafting
b) Layering
c) Bulbil formation
d) Division
Answer: d) Division


What is the term for the practice of growing plants without the use of synthetic fertilizers, pesticides, or genetically modified organisms?
a) Organic farming
b) Industrial agriculture
c) Precision agriculture
d) Biodynamic farming
Answer: a) Organic farming


Which of the following is a common disease in cucurbits (such as cucumbers and melons) caused by a viral infection?
a) Fusarium wilt
b) Root rot
c) Cucumber mosaic virus
d) Downy mildew
Answer: c) Cucumber mosaic virus


What is the term for the process of transferring pollen from the anther of a flower to the stigma of the same flower or another flower on the same plant?
a) Self-pollination
b) Cross-pollination
c) Wind pollination
d) Insect pollination
Answer: a) Self-pollination


Which of the following is a warm-season flower known for its large, colorful blooms and vining growth habit?
a) Petunia
b) Impatiens
c) Morning glory
d) Geranium
Answer: c) Morning glory


What is the term for the process of introducing air into the soil to improve its structure and drainage?
a) Tilling
b) Irrigation
c) Aeration
d) Mulching
Answer: c) Aeration


Which of the following is a disease commonly found in fruit trees caused by a fungal infection?
a) Crown gall
b) Anthracnose
c) Peach leaf curl
d) Bacterial canker
Answer: b) Anthracnose


What is the term for the practice of removing the outer covering of a seed to promote germination?
a) Priming
b) Imbibition
c) Scarification
d) Stratification
Answer: c) Scarification


Which of the following is a method of pest control that involves using naturally derived substances, such as plant extracts, to repel or kill pests?
a) Chemical control
b) Mechanical control
c) Cultural control
d) Botanical control
Answer: d) Botanical control


What is the term for the practice of growing plants in water with added nutrients, but without soil?
a) Hydroponics
b) Aeroponics
c) Aquaponics
d) Vermiponics
Answer: a) Hydroponics


 

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