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WorksheetsHorticulture
Total questions: 67
Worksheet time: 17hrs 45mins
Horticulture is...
The Study of Plants
The Art & Science of Cultivating Plants
Flowers
Foods grown by Plants
Definition of Cultivation
To watch plants grow
To water plants
To see plants wilt
To grow, nurture, improve, and tend to plants
What is a Node?
A plant that needs water to survive
A baby plant
A plant that has branches, leaf stems or flowers growing
A plant that does not need water to survive
What kind of root is this?
Tap
Hibiscous
Node
Fibrous
What kind of root is this?
Tap
Node
Root Hairs
Fibrous
Where does pollen come from?
Eggs
Stigma
Petals
Rain
What does the Stomata do?
Lets C02 out
Lets CO2 in
Lets H2O out
Lets O2 out
What do roots do?
Absorb water
Absorb Nutrients
Kill the plant
Absorb O2
If there is not enough water, the stem and plant...
Drown
Germinate
Wilt
Grow
What is Variegated?
When plants have one solid color
When plants have no stripes
When plants have 2 different colors
When plants don't have color
What are two requirements for any container in which you will plant seeds?
Have at least one hole for water to drain
Have it be dirty
Have a fan in it
Have it be clean
Why plant 4 seeds for every 1 plant that you want to grow?
Because you'll have a 25% chance of growing a plant
The water kills the other 3 seeds
Not all plants will germinate
That's how many seeds it takes to grow 1 plant
What is "damping off"
A disease
Soaking the plant in water
Damping the seeds with wet cloth
Getting water off the leaves of a plant
What happens when "damping off"
The water gets taken away from the plant
The plant soaks up water and thrives
The seed sprouts, flop's over, and dies
The plant wilts
What sort of plants should be transplanted in peat pellets or peat pots?
Plants that can live without water
Crops that need a lot of water
Plants that don't need soil to survive
Root crops that don't transplant well
What kind of soil should you use when planting?
Dirt from outside
No Dirt
Sand
Soilless mix
If seeds require light to germinate, how much soil should you put on top of them?
1/4 Inch
1/2 Inch
None
1/3 Inch
What three things can cause damping off?
Humidity
No Air Flow
Death
Not enough light
Overwatering can cause leaves to turn...
Yellow
Green
Brown
Black
Underwatering can cause your leaves to turn...
Black
Yellow
Brown
Green
How often do you have to water seedlings?
Everyday
Once a week
Every other day
Twice a week
When can you transplant seedlings?
When the stem is 5" tall
When they get too big
When they start sucking up too much water
When they get their first set of true leaves
Overwatering leads to...
Root Rot
Damping Off
Life
Powerdery Mildew
It is best to let water stand for __ hours before using on plants.
18
12
24
48
By letting water sit, it allows the water too...
Let Chlorine diffuse out
Get cold
Get to room temperture
Be easier for misting
Most plants should not sit in water for more than__hour(s), or their roots will rot and die.
2
1/2
1
3
If the humidity of the air is low, the tips of the leaves may turn ___ or ___.
Yellow
Black
Brown
Green
Beware of the humidity in the ___ months.
Fall
Spring
Winter
Summer
Water plants, particularly those outdoors, in the ___ or ___ in the day.
Morning
Mid
Late
Night
Watering plants in the evenings doesn't allow their leaves to dry and can lead to...
Fungal Problems
Freezing
Humidity
Root Rot
Seedlings should have __ to __ hours of light a day.
12-24
14-16
10-16
8-12
When transplanting, never hold a seedling by it's ___.
Roots
Stem
Leaves
Bulb
Sexual Reproduction means...
New Offspring
Union of Gametes
(Sex Cells)
Flowers are plants sexual organs
Involves 1 Parent
Asexual Reproduction means...
New Offspring without sex
Creates Clones
Involves 1 Parent
Requires sex
The developement of a plant from a seed or spore after a time period...
Cultivation
Horticulture
Germination
Flower
Transplant mature plants when they are...
Rootbound
Root rot
Dying
Flowering
When a plant becomes limp through heat, loss of water, or disease...
Root Rots
Wilts
Lives
Dies
What is the blue oval in the middle of this flower and what is that part of the flower called?
Seeds, Stigma
Eggs, Stigma
Seeds, Sepal
Eggs, Sepal
When thinning out your plants the top-most growth tip should be___to promote bushier growth.
Razored off
Pinched Off
Plucked off
Watered
Why do we 'thin out' plants?
So they don't dry out
So they don't compete for resources
So they don't get overwatered
So they shrievel
Damping off can be treated with...
Fungicide
Water
Salt
A red light
Three kinds of soil particles...
Sand
Clay
Silt
Pebbles
What is the best type of soil?
Sand
Clay
Loam
Silt
The pH scale is used to determine how ___ or ___ soil is.
Acidic
Alcaline(Basic)
Toxic
Deadly
Acidic soil on the pH scale is...
0-6.9
7
7.1-14
14
Alcaline soil on the pH scale is...
7.1-14
0-6.9
14
7
Neutral on the pH scale is...
0-6.9
7
14
7.1-14
If soil is too alkaline, add___ or ___ to drop the pH.
Compost
Hydrated Lime
Peat Moss
Fireplace Ash
If the soil is too acidic, add___ to raise the pH higher.
Peat Moss
Hydrated Lime
Compost
Fireplace Ash
Perlite...
Improves Drainage
Improves Aeration
Reduces Compaction
Increases Humidity
Peat Moss...
Improves Clay Soils
Improves Sandy Soils
Improves Silty Soils
Improves Loamy Soils
Sandy Soils...
Provides drainage
Holds water
Helps with aeration
Doesn't hold much water
Clay Soils...
Is difficult to dig into
Doesn't allow water to go through it
Is hard for roots to grow in
Is easily cultivated
What pH range does Evergreens like?
3.5-6.0
6.0-6.9
7.0-7.9
8.0-14.0
Most garden and house plants require a pH of...
3.5-6.0
7.0-7.9
6.0-6.9
7.9-9.5
Most bulbs require a pH of...
7.0-7.9
3.5-6.0
6.0-6.9
7.9-9.5
Too much light on a plant...
Burns a leaf
Turns leaves yellow/brown
Causes blistering
Makes plants dizzy
Too little light will cause the leaves to...
Blister
Turn dark green
Turn yellow/brown
Feel warm to the touch
Light produced by heating wires is___light. This usually produces a ___ light.
Incandescent; red
Incandescent; blue
Fluorescent; red
Fluorescent; blue
Light produced by exciting gases with electricity is called ___ light, which tends to produce ___ light.
Incandescent; red
Incandescent; blue
Fluorescent; red
Fluorescent; blue
Blue light stimulates the plant to grow...
Vegetative
Sexually
Asexually
Spindly
Red light encourages the plant to grow...
Sexually
Asexually
Spindly
Vegitatively
Chlorophyll uses ___ and ___ light.
Red and Blue
Red and Yellow
Blue and Violet
Blue and Green
Where should seeds be stored?
Cool
Dry
Dark
Hot
Why should you grow your plants from seed instead of buying them?
Cheaper
Get a jump start on the new season
More variety
They will die in the store
Why are some seeds soaked before planting?
To soften the shell
Speed up germination
Get rid of diseases
Because only those ones flower
How to get rid of Damping Off
Get airflow
Get sunlight
Less humidity
Water more
