Horticulture Quiz

1 Star 1Loading...
Welcome to the Horticulture Quiz!

Are you ready to explore the fascinating world of horticulture? Whether you’re a novice plant enthusiast or a seasoned gardener, our Free Online Horticulture Quiz is designed to test your knowledge and expand your understanding of plants and gardening.

Embark on an interactive journey to discover interesting facts, identify various plant species, and receive personalized tips to elevate your gardening skills. This engaging quiz is tailored for individuals of all levels and promises to provide valuable insights to enhance your green space.

So, why wait? Delve into the world of horticulture today and cultivate your expertise in the art of growing and nurturing plants!

Disclaimer: The hard questions in the Horticulture Quiz are challenging. To finish the game and reaching the master level typically requires a significant amount of grit, determination and perseverance. I you want to learn more about horticulture check out our article about Horticulture as a passion.

Question 1:

What is the process of cultivating and managing gardens and ornamental plants known as?

Click to see Hint ⬇
This term encompasses gardening and ornamental plant cultivation.
Click to see Answer ⬇
Horticulture - Horticulture is the science and art of growing fruits, vegetables, flowers, and ornamental plants.

Question 2:

Which of the following is a method of asexual plant propagation?

Click to see Hint ⬇
This technique involves joining plant tissues.
Click to see Answer ⬇
Grafting - Grafting involves joining the tissues of two plants so that they grow as a single plant.

Question 3:

Which of the following is a key factor to consider when selecting a location for a vegetable garden?

Click to see Hint ⬇
Consider the light exposure in the chosen location.
Click to see Answer ⬇
Amount of sunlight - Most vegetables require at least 6 hours of direct sunlight per day for optimal growth.

Question 4:

What is the term for the process of removing old, dead, or diseased plant material to encourage healthy growth?

Click to see Hint ⬇
This process involves selectively removing plant material.
Click to see Answer ⬇
Pruning - Pruning helps maintain the health and appearance of plants by removing unwanted growth.

Question 5:

Which of the following is a common method of weed control in horticulture?

Click to see Hint ⬇
This method involves using specific chemicals to control unwanted plant growth.
Click to see Answer ⬇
Herbicide application - Herbicides are chemicals used to kill or inhibit the growth of unwanted plants, commonly known as weeds.

Question 6:

What is the process of grafting a bud from one plant onto the stem of another known as?

Click to see Hint ⬇
This technique involves grafting a single bud.
Click to see Answer ⬇
Budding - Budding is a horticultural technique used to join parts from two or more plants so that they appear to grow as a single plant.

Question 7:

Which of the following is a method of plant propagation that involves burying a portion of a stem to induce root formation?

Click to see Hint ⬇
This method involves burying a portion of a stem to encourage root formation.
Click to see Answer ⬇
Layering - Layering is a common method of plant propagation used to produce new plants by inducing roots on a stem while it is still attached to the parent plant.

Question 8:

Which of the following is a common method of pest control in horticulture that involves introducing natural enemies of pests to reduce their populations?

Click to see Hint ⬇
This method involves using natural enemies of pests.
Click to see Answer ⬇
Biological control - Biological control is the control of pests by the introduction of predators, parasites, or disease-causing organisms.

Question 9:

Which of the following is a technique used to protect plants from frost by spraying them with a thin layer of ice, which insulates them from the cold?

Click to see Hint ⬇
This technique involves spraying plants with a thin layer of ice.
Click to see Answer ⬇
Ice nucleation - Ice nucleation involves spraying plants with water to form a thin layer of ice, which provides insulation against frost damage.

Question 10:

What is the term for the process of removing the central stem of a young plant to encourage lateral growth and create a bushier plant?

Click to see Hint ⬇
This process involves removing the central stem of a young plant.
Click to see Answer ⬇
Pinching - Pinching involves removing the growing tip of a young plant to promote branching and create a fuller, bushier plant.

Question 11:

What is the term for the process of manipulating the light and temperature conditions to promote off-season flowering in plants?

Click to see Hint ⬇
This process involves controlling the duration of light and darkness.
Click to see Answer ⬇
Photoperiodism - Photoperiodism is the ability of plants to flower in response to the length of light and darkness they are exposed to.

Question 12:

Which of the following is a plant hormone that stimulates cell elongation and is responsible for tropic responses in plants?

Click to see Hint ⬇
This hormone is associated with stem elongation and growth responses.
Click to see Answer ⬇
Gibberellin - Gibberellins are involved in various developmental processes, including stem elongation, germination, and flowering.

Question 13:

Which of the following is a common method of controlling the size and shape of ornamental trees and shrubs through selective pruning and training?

Click to see Hint ⬇
This technique involves training plants to grow flat against a structure.
Click to see Answer ⬇
Espalier - Espalier involves training plants to grow flat against a structure, creating a decorative and space-saving display.

Question 14:

Which of the following is a process of artificially germinating seeds by exposing them to cold and moist conditions to break dormancy?

Click to see Hint ⬇
This process involves exposing seeds to cold and moist conditions to break dormancy.
Click to see Answer ⬇
Stratification - Stratification mimics the natural conditions seeds experience during winter, stimulating them to germinate in the spring.

Question 15:

Which of the following is a method of vegetative propagation that involves separating and planting the scales of bulbs to produce new plants?

Click to see Hint ⬇
This method involves separating and planting the scales of bulbs.
Click to see Answer ⬇
Scaling - Scaling is a common method used to propagate bulbs such as lilies and tulips to increase their numbers.