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1
Q

What is the primary benefit of using organic fertilizers in horticulture?

A

They improve soil health and promote sustainable plant growth.

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2
Q

True or False: Hydroponics allows plants to grow without soil.

A

True

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3
Q

Fill in the blank: The process of removing dead or overgrown branches from a plant is called _____ .

A

pruning

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4
Q

What are the ideal soil pH levels for most vegetable crops?

A

6.0 to 7.0

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5
Q

Which nutrient is most critical for flowering plants?

A

Phosphorus

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6
Q

Multiple choice: What type of irrigation is best for conserving water?

A

Drip irrigation

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7
Q

What is the purpose of crop rotation in horticulture?

A

To prevent soil depletion and reduce pest and disease buildup.

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8
Q

True or False: All plants thrive in full sunlight.

A

False

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9
Q

Which plant is commonly grown hydroponically for its high market demand?

A

Lettuce

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10
Q

What is the term for the practice of cultivating plants in a controlled environment?

A

Greenhouse horticulture

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11
Q

Fill in the blank: The _____ method involves growing plants in nutrient-rich water solutions.

A

aquaponics

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12
Q

What is the main advantage of using companion planting?

A

It enhances growth and repels pests.

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13
Q

Multiple choice: Which of the following is a common pest in horticulture?

A

Aphids

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14
Q

What is the primary function of mulch in gardening?

A

To retain moisture and suppress weeds.

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15
Q

True or False: Perennials live for more than two years.

A

True

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16
Q

What is the recommended spacing for tomato plants to ensure proper growth?

A

24 to 36 inches apart

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17
Q

Fill in the blank: The practice of controlling the growth of plants through selective breeding is called _____ .

A

horticultural breeding

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18
Q

What is the ideal temperature range for germinating most seeds?

A

65°F to 75°F

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19
Q

Multiple choice: What technique can be used to propagate plants from cuttings?

A

Rooting hormone application

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20
Q

What is the primary purpose of using trellises in horticulture?

A

To support climbing plants and improve air circulation.

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21
Q

True or False: Soil compaction can negatively affect root growth.

A

True

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22
Q

What are the benefits of using cover crops?

A

They prevent erosion, improve soil structure, and add nutrients.

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23
Q

Fill in the blank: The process of acclimatizing plants to outdoor conditions is known as _____ .

A

hardening off

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24
Q

What is the role of beneficial insects in horticulture?

A

They help control pest populations.

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25
Multiple choice: Which of the following is a common method for pest control?
Integrated Pest Management (IPM)
26
What is the purpose of deadheading flowers?
To encourage more blooms and prolong flowering.
27
True or False: Fertilizers should be applied only during the growing season.
False
28
What type of soil is best for growing succulents?
Well-draining soil
29
Fill in the blank: The _____ method involves planting in raised beds to improve drainage and soil quality.
raised bed gardening
30
What is the best time to prune most trees?
Late winter or early spring before new growth begins.
31
Multiple choice: Which of the following is a common sign of overwatering?
Yellowing leaves
32
What is the primary benefit of using native plants in landscaping?
They require less maintenance and are more resilient.
33
True or False: All plants can be grown indoors successfully.
False
34
What is the ideal humidity level for tropical plants?
50% to 70%
35
Fill in the blank: The _____ technique involves growing plants in a nutrient-rich solution with no soil.
hydroponic
36
What is the purpose of using a soil test kit?
To determine nutrient levels and pH for optimal plant growth.
37
Multiple choice: Which nutrient is essential for healthy leaf development?
Nitrogen
38
What is grafting?
A horticultural technique where tissues from one plant are inserted into another.
39
True or False: Mulching can help regulate soil temperature.
True
40
What is the best way to ensure healthy root systems in container plants?
Use pots with drainage holes.
41
Fill in the blank: The method of planting crops in rows to facilitate management is known as _____ .
row cropping
42
What is the primary purpose of using a compost bin?
To recycle organic waste into nutrient-rich soil amendment.
43
Multiple choice: Which of the following is a common sign of nutrient deficiency?
Stunted growth
44
What is the advantage of using heirloom seeds?
They are open-pollinated and can be saved for future planting.
45
True or False: Frost can damage tender plants.
True
46
What is the ideal light requirement for most houseplants?
Indirect sunlight
47
Fill in the blank: The practice of growing plants without synthetic chemicals is called _____ agriculture.
organic
48
What is the primary benefit of using raised beds for gardening?
Improved drainage and soil quality.
49
Multiple choice: Which of the following is a common method for controlling weeds?
Mulching
50
What is the purpose of hardening off seedlings?
To acclimate them to outdoor conditions before planting.
51
True or False: All plants require the same amount of water.
False
52
What is the primary role of mycorrhizal fungi in horticulture?
To enhance nutrient uptake in plants.
53
Fill in the blank: The _____ method of pest control involves using natural predators.
biological
54
What is the best time of year to plant perennials?
Spring or fall
55
Multiple choice: Which of the following is a benefit of vertical gardening?
Maximizes space utilization
56
What is the importance of using heirloom varieties in horticulture?
They preserve genetic diversity and traditional flavors.
57
True or False: Soil temperature affects seed germination.
True
58
What is the main purpose of using a soil amendment?
To improve soil structure and fertility.
59
Fill in the blank: The process of encouraging flowering in plants by manipulating light is known as _____ .
photoperiodism
60
What is the best strategy for managing pests organically?
Monitoring and using natural deterrents.
61
Multiple choice: Which of the following plants is best suited for a shaded garden?
Hostas
62
What is the purpose of using a trellis for climbing plants?
To provide support and improve air circulation.
63
True or False: Soil tests should be conducted every year.
False
64
What is the recommended spacing for cucumber plants?
36 to 48 inches apart
65
Fill in the blank: The _____ technique involves planting seeds in small containers for early growth.
seed starting
66
What is the primary advantage of using drip irrigation?
It conserves water and delivers it directly to the roots.
67
Multiple choice: Which of the following is a common symptom of root rot?
Wilting leaves
68
What is the best way to enhance soil fertility?
Adding organic matter like compost.
69
True or False: All plants benefit from the same type of mulch.
False
70
What is the purpose of using a plant hardiness zone map?
To determine which plants can survive in a specific climate.
71
Fill in the blank: The practice of growing multiple crops in the same space is known as _____ .
intercropping
72
What is the ideal time for planting annual flowers?
After the last frost date.
73
Multiple choice: Which of the following is a benefit of using companion planting?
Natural pest control
74
What is the most effective way to control aphids in the garden?
Introduce ladybugs.
75
True or False: Soil health is not important for plant growth.
False
76
What is the primary function of potassium in plant nutrition?
To promote overall plant health and disease resistance.
77
Fill in the blank: The _____ method of propagation involves dividing a plant into several parts.
division

Horticulture (2 decks)

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