TURFGRASS FINAL EXAM QUESTIONS
WITH COMPLETE SOLUTIONS
Which of the following is NOT a potential negative consequence of a seeding rate that is
too high? - Answer-Greater weed invasion
Which of the following would NOT be an advantage of seeding turfgrasses compared to
sodding? - Answer-Instant cover
This website database can be useful for selecting the best performing turfgrass
varieties? - Answer-National Turfgrass Evaluation Program
Endophytes are? - Answer-Living fungi that form a symbiotic relationship with
turfgrasses, possibly improving resistance to pests
Which is NOT one of the three soil properties discussed in class? - Answer-Transitional
An ideal soil should be made up of 50% pore space and 50% solids. - Answer-True
When using the "Feel" method to estimate a soil's texture, a soil forming a long, shiny,
pliable ribbon would indicate? - Answer-Fine textured soil
Compacted soils have? - Answer-Greater bulk density
Soil pH is a measure of? - Answer-Hydrogen
As the saying goes, you need common sense and good _________ to grow grass. -
Answer-Drainage
USGA specified greens require a 4" layer of ______ below the sand rootzone. - Answer-
Gravel
A subsurface drainage system is NOT required for the construction of a USGA specified
green. - Answer-False
Lime is used for? - Answer-Raising soil pH
Turf has been demonstrated to improve the mental health of humans. - Answer-True
Grasses belong to a larger group of plants called? - Answer-Monocots
Which of the following is NOT found on a turfgrass seed label? - Answer-Planting
instructions
, It is impossible to identify the species of turfgrass just by looking at the seed. - Answer-
False
A preemergent herbicide that can be used at the time of seeding turfgrasses is? -
Answer-Siduron
Which turf species is NOT used for golf course rough? - Answer-Creeping bentgrass
The process of spraying a seed and mulch mixture for turf establishment is called? -
Answer-Hydroseeding
Which turfgrass species has the highest number of seeds per lb (smallest seed size?) -
Answer-Velvet bentgrass
A high pH soil is said to be? - Answer-Alkaline
This process can be useful in situations where very rapid establishment seed is desired.
- Answer-Pregermination
VNS on a seed label stands for? - Answer-Variety Not Stated
The first step to establishing new turf is? - Answer-Soil test
Which of the following is one of the worst weeds in turfgrass, growing on every
continent? - Answer-Annual bluegrass
Select the statement which is most correct regarding the relationship between sunlight
and plant growth. - Answer-sunlight makes photosynthesis and food production in the
plant possible
The mineral fraction of a soil is composed of these three main particle size groups: -
Answer-sand, silt, clay
Which of the following is FALSE for topdressing? - Answer-It does not alter the turfgrass
growing medium
Organic matter accumulation increases when production exceeds
decomposition/dilution. This occurs when... - Answer-High amounts of nitrogen are
applied
The soil pH is unfavorably low for microbial activity
Aggressively growing species or cultivars are utilized
-All of the above
Which of the following is NOT one of the seventeen essential elements required for
plant growth? - Answer-Silicon (Si)
WITH COMPLETE SOLUTIONS
Which of the following is NOT a potential negative consequence of a seeding rate that is
too high? - Answer-Greater weed invasion
Which of the following would NOT be an advantage of seeding turfgrasses compared to
sodding? - Answer-Instant cover
This website database can be useful for selecting the best performing turfgrass
varieties? - Answer-National Turfgrass Evaluation Program
Endophytes are? - Answer-Living fungi that form a symbiotic relationship with
turfgrasses, possibly improving resistance to pests
Which is NOT one of the three soil properties discussed in class? - Answer-Transitional
An ideal soil should be made up of 50% pore space and 50% solids. - Answer-True
When using the "Feel" method to estimate a soil's texture, a soil forming a long, shiny,
pliable ribbon would indicate? - Answer-Fine textured soil
Compacted soils have? - Answer-Greater bulk density
Soil pH is a measure of? - Answer-Hydrogen
As the saying goes, you need common sense and good _________ to grow grass. -
Answer-Drainage
USGA specified greens require a 4" layer of ______ below the sand rootzone. - Answer-
Gravel
A subsurface drainage system is NOT required for the construction of a USGA specified
green. - Answer-False
Lime is used for? - Answer-Raising soil pH
Turf has been demonstrated to improve the mental health of humans. - Answer-True
Grasses belong to a larger group of plants called? - Answer-Monocots
Which of the following is NOT found on a turfgrass seed label? - Answer-Planting
instructions
, It is impossible to identify the species of turfgrass just by looking at the seed. - Answer-
False
A preemergent herbicide that can be used at the time of seeding turfgrasses is? -
Answer-Siduron
Which turf species is NOT used for golf course rough? - Answer-Creeping bentgrass
The process of spraying a seed and mulch mixture for turf establishment is called? -
Answer-Hydroseeding
Which turfgrass species has the highest number of seeds per lb (smallest seed size?) -
Answer-Velvet bentgrass
A high pH soil is said to be? - Answer-Alkaline
This process can be useful in situations where very rapid establishment seed is desired.
- Answer-Pregermination
VNS on a seed label stands for? - Answer-Variety Not Stated
The first step to establishing new turf is? - Answer-Soil test
Which of the following is one of the worst weeds in turfgrass, growing on every
continent? - Answer-Annual bluegrass
Select the statement which is most correct regarding the relationship between sunlight
and plant growth. - Answer-sunlight makes photosynthesis and food production in the
plant possible
The mineral fraction of a soil is composed of these three main particle size groups: -
Answer-sand, silt, clay
Which of the following is FALSE for topdressing? - Answer-It does not alter the turfgrass
growing medium
Organic matter accumulation increases when production exceeds
decomposition/dilution. This occurs when... - Answer-High amounts of nitrogen are
applied
The soil pH is unfavorably low for microbial activity
Aggressively growing species or cultivars are utilized
-All of the above
Which of the following is NOT one of the seventeen essential elements required for
plant growth? - Answer-Silicon (Si)