Horticulture 101: Exam Study Guide with Solved Questions - Prof. Shawn, Exams of Gardening and Horticulture

This study guide for Horticulture 101 covers essential topics like the definition of horticulture, ornamental horticulture, and their effects on humans. It explores scientific knowledge in modern horticulture, the scientific method, and specialty areas like pomology and olericulture. The guide explains Linnaeus' classification system, including taxa categories, the binomial system, and plant nomenclature. Furthermore, it explores plant categorization based on life cycle, growth habit, environmental adaptation, and end use, along with plant physiology concepts like photosynthesis, vascular systems, and cell structures. This guide provides a comprehensive overview of key horticultural principles and practices.

Typology: Exams

2024/2025

Available from 08/15/2025

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HORTICULTURE 101 EXAM STUDY GUIDE SOLVED #14
What is horticulture? - correct answer The science and art of cultivating fruits,
vegetables and ornamental plants.
What is Ornamental Horticulture? - correct answer Flowers, gardens, beauty provided in
landscape.
How does Horticulture effect humans? - correct answer Effects our food supply and
where we live.
How is modern horticulture as an applied plant science used? - correct answer
Application of scientific knowledge to develop and use plants to benefit the human
population.
What is the scientific method? - correct answer 1. Observe phenomenon
2. Hypothesize about cause and effect
3. Predict additional observations
4. Conduct experiments to test results.
Name specialty areas of Horticulture. - correct answer Food: pomology and the
production of fruits.
Olerlculture: production of vegies.
Landscape Hort.: aesthetic/functional use
Who developed the scientific classification system? - correct answer Linnaeus
What is the name of the categories organisms are placed in? - correct answer Taxa
The classification system goes from _______ to _________ - correct answer Broad to
narrow
What are the names of these categories? - correct answer Kingdom, Division, Class,
Order, Family, Genus, Species.
What is this classification system based on? - correct answer Stable morphological
features, especially flower structure.
The last 2 taxa genus and species are referred to as what? - correct answer The
binomial system
Why did Linneaus create this naming system? - correct answer So that people from all
different languages could understand the plant names and species.
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HORTICULTURE 101 EXAM STUDY GUIDE SOLVED

What is horticulture? - correct answer The science and art of cultivating fruits, vegetables and ornamental plants. What is Ornamental Horticulture? - correct answer Flowers, gardens, beauty provided in landscape. How does Horticulture effect humans? - correct answer Effects our food supply and where we live. How is modern horticulture as an applied plant science used? - correct answer Application of scientific knowledge to develop and use plants to benefit the human population. What is the scientific method? - correct answer 1. Observe phenomenon

  1. Hypothesize about cause and effect
  2. Predict additional observations
  3. Conduct experiments to test results. Name specialty areas of Horticulture. - correct answer Food: pomology and the production of fruits. Olerlculture: production of vegies. Landscape Hort.: aesthetic/functional use Who developed the scientific classification system? - correct answer Linnaeus What is the name of the categories organisms are placed in? - correct answer Taxa The classification system goes from _______ to _________ - correct answer Broad to narrow What are the names of these categories? - correct answer Kingdom, Division, Class, Order, Family, Genus, Species. What is this classification system based on? - correct answer Stable morphological features, especially flower structure. The last 2 taxa genus and species are referred to as what? - correct answer The binomial system Why did Linneaus create this naming system? - correct answer So that people from all different languages could understand the plant names and species.

What are the 2 components each name is made up of? - correct answer Genus + specific epithet = species. Which is the genus, and which is the specific epithet? Prunus persica (peach) - correct answer Genus= Prunus Specific Epithet= Persica What does naming the genus and species help plant identification? - correct answer Genus- describes a group of similar organisms, some of which may be interbreed. Species- members of a species will interbreed and produce similar progeny. How does this binomial naming system help? - correct answer Avoids confusion that can arise when using common names. What language is scientific plant nomenclature in? - correct answer Latin What does the "var" indicate? - correct answer Indicates a botanical variety within the species. Cultivar - correct answer cultivated variety; implies human manipulation. How are plants categorized? - correct answer Life Cycle, growth habit, environmental adaptation, end use or function. How many life cycles are there? Name them. - correct answer 3 Life cycles. Annuals, Biennials, Perennials. Annuals - correct answer Plants that complete their life cycle in 1 year. Ex. Petunia, peas Biennials - correct answer Plants that require all or part of two growing seasons. Ex. Carrots Perennials - correct answer Plants that persist for more than two seasons and do not die after flowering. Ex. Maple,tulips. What are many true biennials and perennials grown as? - correct answer Horticultural annual crops What plants are classified based on growth habit? - correct answer Woody plants, herbaceous perennials, vines, deciduous plants Characteristics of Vines, herbaceous plants, deciduous plants, and woody plants - correct answer Vines: Climbing or trailing plants

What drives photosynthesis? - correct answer Light, it is the most important chemical reaction on this planet. What does the chloroplasts within a leaf contain? - correct answer Chlorophyll, which absorbs energy from light. What are the roles of ATP and NADPH - correct answer Capture chemical energy used to "fix" carbon dioxide in the Calvin cycle. What is the central enzyme that makes the dark reaction happen called? - correct answer Rubisco, it is the most important protein. Why is the Calvin Cycle important? - correct answer Removes 200 Billion tons of C every year. What are the 2 reactions that happen during photosynthesis? - correct answer Light reaction and the Calvin cycle. Define source - correct answer Net suppliers of Fixed Carbon Ex. Primary leaves Define sink - correct answer Net users of Fixed Carbon Ex. Fruit, seeds