About this Study Set
This study set covers Horticulture through
18 practice questions.
Testing advanced knowledge of horticultural principles, plant science, and cultivation techniques relevant to high school curricula. Every question includes the correct answer so you can learn as you go — pick any format above to get started.
Questions & Answers
Browse all 18 questions from the
Advanced Horticulture Concepts study set below.
Each question shows the correct answer — select a study format above to practice interactively.
1
Which plant hormone is primarily responsible for promoting cell elongation and plays a crucial role in phototropism and apical dominance?
-
A
Abscisic Acid (ABA)
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B
Cytokinin
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C
Gibberellin
-
D
Auxin
2
In soil science, what is the term for the force that holds water molecules to soil particles, a major factor in available water for plants?
-
A
Cohesion
-
B
Adhesion
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C
Capillary Action
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D
Osmosis
3
What is the process by which plants absorb atmospheric carbon dioxide for photosynthesis?
-
A
Transpiration
-
B
Respiration
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C
Stomatal Influx
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D
Guttation
4
Which type of grafting technique involves inserting a single bud from one plant onto the rootstock of another?
-
A
Cleft Grafting
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B
Whip and Tongue Grafting
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C
Budding
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D
Bridge Grafting
5
The 'pH' of a soil solution refers to its concentration of which ion?
-
A
Hydroxide (OH-)
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B
Hydrogen (H+)
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C
Ammonium (NH4+)
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D
Nitrate (NO3-)
6
What is the primary function of the phloem in vascular plants?
-
A
Transport of water and minerals
-
B
Storage of starch
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C
Transport of sugars (photosynthates)
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D
Support and structural integrity
7
Which class of fungicides is known for its ability to disrupt cell membrane function in fungi by interacting with sterols?
-
A
Strobilurins
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B
Triazoles
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C
Dicarboximides
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D
Anilinopyrimidines
8
What is the term for the phenomenon where a plant embryo within a seed remains dormant and does not germinate, even under favourable conditions?
-
A
Stratification
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B
Vernalization
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C
Dormancy
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D
Senescence
9
In plant breeding, what is the process of crossing two genetically dissimilar parent plants to produce offspring with desirable traits?
-
A
Self-pollination
-
B
Backcrossing
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C
Hybridization
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D
Apomixis
10
What is the critical factor that distinguishes hydroponics from aquaponics?
-
A
The presence of artificial light
-
B
The use of nutrient solutions
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C
The integration of fish to provide nutrients
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D
The absence of soil
11
Which physiological disorder in fruits, often exacerbated by calcium deficiency and rapid growth, leads to browning and decay of the blossom end?
-
A
Bitter Pit
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B
Russeting
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C
Sunscald
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D
Anthracnose
12
What is the ideal soil texture for most horticultural crops, balancing water retention and drainage?
-
A
Sandy
-
B
Clay
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C
Silty
-
D
Loamy
13
What is the process by which light energy is converted into chemical energy in the form of glucose during photosynthesis?
-
A
Photolysis
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B
Carbon Fixation
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C
Photophosphorylation
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D
Electron Transport Chain
14
Which type of propagation involves using fragments of leaves, stems, or roots to create new, genetically identical plants?
-
A
Sexual Propagation
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B
Seed Propagation
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C
Vegetative Propagation
-
D
Grafting
15
What is the term for a plant that completes its life cycle, including flowering and seed production, within a single growing season?
-
A
Biennial
-
B
Perennial
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C
Annual
-
D
Epiphyte
16
In entomology, what is the term for the beneficial insects that prey upon or parasitize pest insects?
-
A
Herbivores
-
B
Predators
-
C
Pathogens
-
D
Parasitoids
17
What is the scientific term for the study of plant diseases and the pathogens that cause them?
-
A
Agronomy
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B
Horticulture
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C
Phytopathology
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D
Pomology
18
Which nutrient is essential for nitrogen fixation in legumes and is also a component of amino acids and proteins?
-
A
Phosphorus (P)
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B
Potassium (K)
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C
Nitrogen (N)
-
D
Sulfur (S)
