Master Gardeners - Iowa Exam
Questions with Guaranteed Pass
Solutions 2026 Updated.
Select the native plant that provides food for birds in the tree canopy: - Answer Virginia
creeper
What is the most effective method of preventing deer damage in a landscape? - Answer
Install a fence at least 8 feet tall
What is the best consideration for choosing plant species for wildlife? - Answer Plants that
produce fruit like dogwoods
Planting trees and shrubs can attract butterflies. - Answer True
What are two good shrubs to plant for wildlife in the landscape? - Answer Elderberry and
Serviceberry
When male and female flowers exist on separate plants (like holly), it is called: - Answer
Dioecious
The point where all leaves, flowers, and branches emerge on a stem is called a node. - Answer
True
Which supplemental light source is not recommended for plant growth in most homes? -
Answer Incandescent
When you are eating celery, you are eating what part of the plant? - Answer leaves
Deadheading is one way gardeners manipulate which process? - Answer Translocation
Which statement is not accurate about common or scientific names in horticulture? - Answer
Some plants may not have a scientific name.
When separate male and female flowers exist on the same plant (like squash or corn), it is
called: - Answer Monoecious
, Stomata are the primary sites for which process? - Answer Transpiration
Which of the following is part of the pistil? - Answer Stigma, style, ovary
Which is the appropriate way to write a scientific name? - Answer Magnolia grandiflora
'Little Gem'
Which of the following is part of the stamen? - Answer Anther, filament
When you are eating french fries, you are eating what part of the plant? - Answer
stem/shoot
Which wavelengths (colors) of light are used by plants for photosynthesis? - Answer Red and
Blue
Girdling a tree trunk prevents which process? - Answer Translocation
When you are eating broccoli, you are eating what part of the plant? - Answer flowers
It is best not to use grass clippings from lawns recently treated with broadleaf herbicides until
after 2 or 3 mows. - Answer True
What is an example of nitrogen sources or "greens"? - Answer Grass Clippings
"Sour" mulch happens when oxygen availability is limited in excessively large organic mulch
piles. - Answer True
Which of the following materials should not be composted? - Answer Peanut butter
What is the best mulch depth for most organic mulches. - Answer 4-6inches
What is the best location for a compost pile? - Answer close to a water source
What is the ideal temperature for working compost? - Answer 140F
What type of worms are often used in vermicomposting? - Answer Red wigglers
Questions with Guaranteed Pass
Solutions 2026 Updated.
Select the native plant that provides food for birds in the tree canopy: - Answer Virginia
creeper
What is the most effective method of preventing deer damage in a landscape? - Answer
Install a fence at least 8 feet tall
What is the best consideration for choosing plant species for wildlife? - Answer Plants that
produce fruit like dogwoods
Planting trees and shrubs can attract butterflies. - Answer True
What are two good shrubs to plant for wildlife in the landscape? - Answer Elderberry and
Serviceberry
When male and female flowers exist on separate plants (like holly), it is called: - Answer
Dioecious
The point where all leaves, flowers, and branches emerge on a stem is called a node. - Answer
True
Which supplemental light source is not recommended for plant growth in most homes? -
Answer Incandescent
When you are eating celery, you are eating what part of the plant? - Answer leaves
Deadheading is one way gardeners manipulate which process? - Answer Translocation
Which statement is not accurate about common or scientific names in horticulture? - Answer
Some plants may not have a scientific name.
When separate male and female flowers exist on the same plant (like squash or corn), it is
called: - Answer Monoecious
, Stomata are the primary sites for which process? - Answer Transpiration
Which of the following is part of the pistil? - Answer Stigma, style, ovary
Which is the appropriate way to write a scientific name? - Answer Magnolia grandiflora
'Little Gem'
Which of the following is part of the stamen? - Answer Anther, filament
When you are eating french fries, you are eating what part of the plant? - Answer
stem/shoot
Which wavelengths (colors) of light are used by plants for photosynthesis? - Answer Red and
Blue
Girdling a tree trunk prevents which process? - Answer Translocation
When you are eating broccoli, you are eating what part of the plant? - Answer flowers
It is best not to use grass clippings from lawns recently treated with broadleaf herbicides until
after 2 or 3 mows. - Answer True
What is an example of nitrogen sources or "greens"? - Answer Grass Clippings
"Sour" mulch happens when oxygen availability is limited in excessively large organic mulch
piles. - Answer True
Which of the following materials should not be composted? - Answer Peanut butter
What is the best mulch depth for most organic mulches. - Answer 4-6inches
What is the best location for a compost pile? - Answer close to a water source
What is the ideal temperature for working compost? - Answer 140F
What type of worms are often used in vermicomposting? - Answer Red wigglers
