Horticulture Basics
What is the definition of horticulture?
The art and science of growing ornamental plants, fruits, vegetables, flowers, trees, and shrubs.
What is the basic unit of life in all living organisms?
Cell
What is soil primarily composed of?
Minerals, organic matter, water, air, and living organisms
Which covering material offers the best insulation for a greenhouse?
Polycarbonate panels
What is an advantage of forced air heating in a greenhouse?
Provides quick and even heating
Which branch of horticulture focuses on vegetable cultivation?
Olericulture
Which type of cell lacks a nucleus?
Prokaryotic cell
Which type of soil has the best balance of drainage, aeration, and nutrient retention?
Loam soil
What is a major disadvantage of polyethylene greenhouses?
Short lifespan
Why do greenhouse growers use shade cloths?
To reduce sunlight intensity and prevent overheating
What is the primary focus of pomology?
The study and cultivation of fruits
What plant organelle is responsible for photosynthesis?
Chloroplast
What do you call a cow with no legs?
Ground Beef
What is the recommended sunlight exposure for an ideal greenhouse site?
At least 6 hours per day
What is a common care tip for growing greenhouse tomatoes?
Prune side shoots (suckers) to focus energy on fruit production
What do you call a cow with 2 Legs?
Lean Beef
What type of root system features a single, thick main root with smaller lateral roots?
Tap root system
Which macronutrient is essential for chlorophyll production and photosynthesis?
Nitrogen (N)
What is the best orientation for a multi-span greenhouse?
North-South
What is the primary purpose of ventilation systems in greenhouses?
Prevent plant diseases and regulate temperature
What is one major challenge in modern horticulture?
Climate change and its impact on crop growth
How does transpiration help plants?
Regulates temperature and moves water upward
How can you raise the pH of acidic soil?
Add lime (calcium carbonate)
Why are greenhouses important for commercial plant production?
They allow year-round cultivation
What do you call a cow that tried to jump over a barbed -wire fence?
An Udder-disaster