FFA AGRONOMY TEST QUESTIONS AND ANSWERS #11
What is an example of a plant that has rhizomes? - correct answer Intermediate
Wheatgrass
Alfalfa needs renovation every - correct answer 4-6 years
The greatest advantage of birdsfoot treefoil is - correct answer It does not cause bloat
Sweetclover contains ____ which may cause bleeding and disease in livestock - correct
answer Coumarin
An ear-shaped appendage, as at the base of barley and wheat leaves is called? -
correct answer Auricles
What is the beard or bristle extending from the tip or back of the lemma of a grass
flower? - correct answer Awn
What are the glumes and light plant tissue fragment broken in threshing? - correct
answer Chaff
What is the matured body of a ovule? - correct answer Seed
The typical inflorescence of wheat is called - correct answer Spike
The legal weight of barley is ___ pounds - correct answer 48
____ has small hairy auricles - correct answer Barley
Wheat is ready to harvest with a combine when the moisture content is ___________ or
less. - correct answer 14%
____ is not a special grade of oats - correct answer Light
Barley is considered to be about ____ as valuable as corn for feed, pound for pound -
correct answer 85-90%
Good seed-soil contact is important so that: - correct answer Because the more contact
the surface of the seed has with the surrounding soil, the more rapidly water can move
from the soil into the seed
Fibrous roots have - correct answer A high surface to volume ratio
Growth stage of a wheat plant when the first node moves above the soil surface -
correct answer Jointing
,A grass stem is called a - correct answer Culm
The stomata have two functions, one is the point of entry for CO2 and the second is ___
- correct answer Transpiration
Crested wheatgrass is usually a bunch grass because - correct answer It usually
doesn't for rhizomes
Legumes, such as peas, beans, and alfalfa, convert atmospheric nitrogen into organic
nitrogen due to: - correct answer Rhizobium, a bacteria that can enter the root system
Alfalfa is cross pollinated primarily by - correct answer Insects
An allele - correct answer is an alternate form of a gene
In wheat, from flowering to dead ripe takes - correct answer 25-40 days
Insect pollinators are very important for pollination of - correct answer Alfalfa
The leading export country of wheat is - correct answer Russia (2020)
Oats produce a satisfactory crop on a wide range of soil types; however, heavy, poorly
drained clays are likely to cause the crop to - correct answer Lodge
Water vapor loss by plants occurs mainly through the leaves by a process called: -
correct answer Transpiration
Which of these crops is a biennial - correct answer Sugar beet
Early planted winter wheat may result in? - correct answer High moisture use
Root rot injury
Wheat streak mosaic
The field bean (dry edible bean) originated in what country? - correct answer Mexico
Higher digestible forage would be low in? - correct answer Lignin
Corn is a ____ plant - correct answer long day
Crop lodging is most likely caused by? - correct answer Not selecting proper varieties
The ideal moisture content at which to store forage for silage is? - correct answer 68%
___ is the collective term for the petal of a flower - correct answer Corolla
, The inoculation of legumes commonly consists of? - correct answer Putting bacteria on
the seed
Winter wheat sown in the spring will not produce heads because it has not been -
correct answer vernalized
Among the types of wheat grown in the U.S. include? - correct answer Hard red spring
Durum
Soft red winter
Hard red winter
Properly hardening winter wheat involves - correct answer Gradually lowering
temperature and short days
Hardened plants have _______ moisture content in their leaves than unhardened
plants. - correct answer Lower
Which of the following is principally used for flour that makes pasta? - correct answer
Durum
Which of the following is recognized as the premium miller's wheat for bread flour? -
correct answer Hard red winter
The substance in wheat flour which permits bread dough to rise and stretch is called? -
correct answer Gluten
Soft red winter wheat is commonly used in - correct answer Pastries
In selection of a variety of wheat to grow, the number one consideration should be? -
correct answer Adapted to the area
Wheat millers are very concerned about - correct answer Gluten content
In semiarid area of the Great Plains the greatest limiting factor on wheat yield is? -
correct answer Moisture
Fallowing is done primarily to - correct answer Conserve moisture
The "safe date" for sowing winter wheat is based on the potential for damage from? -
correct answer Hessian fly
Drilling wheat is superior to broadcasting because: - correct answer Stands are more
uniform
Wheat should be planted at a depth of - correct answer 1-2 inches
What is an example of a plant that has rhizomes? - correct answer Intermediate
Wheatgrass
Alfalfa needs renovation every - correct answer 4-6 years
The greatest advantage of birdsfoot treefoil is - correct answer It does not cause bloat
Sweetclover contains ____ which may cause bleeding and disease in livestock - correct
answer Coumarin
An ear-shaped appendage, as at the base of barley and wheat leaves is called? -
correct answer Auricles
What is the beard or bristle extending from the tip or back of the lemma of a grass
flower? - correct answer Awn
What are the glumes and light plant tissue fragment broken in threshing? - correct
answer Chaff
What is the matured body of a ovule? - correct answer Seed
The typical inflorescence of wheat is called - correct answer Spike
The legal weight of barley is ___ pounds - correct answer 48
____ has small hairy auricles - correct answer Barley
Wheat is ready to harvest with a combine when the moisture content is ___________ or
less. - correct answer 14%
____ is not a special grade of oats - correct answer Light
Barley is considered to be about ____ as valuable as corn for feed, pound for pound -
correct answer 85-90%
Good seed-soil contact is important so that: - correct answer Because the more contact
the surface of the seed has with the surrounding soil, the more rapidly water can move
from the soil into the seed
Fibrous roots have - correct answer A high surface to volume ratio
Growth stage of a wheat plant when the first node moves above the soil surface -
correct answer Jointing
,A grass stem is called a - correct answer Culm
The stomata have two functions, one is the point of entry for CO2 and the second is ___
- correct answer Transpiration
Crested wheatgrass is usually a bunch grass because - correct answer It usually
doesn't for rhizomes
Legumes, such as peas, beans, and alfalfa, convert atmospheric nitrogen into organic
nitrogen due to: - correct answer Rhizobium, a bacteria that can enter the root system
Alfalfa is cross pollinated primarily by - correct answer Insects
An allele - correct answer is an alternate form of a gene
In wheat, from flowering to dead ripe takes - correct answer 25-40 days
Insect pollinators are very important for pollination of - correct answer Alfalfa
The leading export country of wheat is - correct answer Russia (2020)
Oats produce a satisfactory crop on a wide range of soil types; however, heavy, poorly
drained clays are likely to cause the crop to - correct answer Lodge
Water vapor loss by plants occurs mainly through the leaves by a process called: -
correct answer Transpiration
Which of these crops is a biennial - correct answer Sugar beet
Early planted winter wheat may result in? - correct answer High moisture use
Root rot injury
Wheat streak mosaic
The field bean (dry edible bean) originated in what country? - correct answer Mexico
Higher digestible forage would be low in? - correct answer Lignin
Corn is a ____ plant - correct answer long day
Crop lodging is most likely caused by? - correct answer Not selecting proper varieties
The ideal moisture content at which to store forage for silage is? - correct answer 68%
___ is the collective term for the petal of a flower - correct answer Corolla
, The inoculation of legumes commonly consists of? - correct answer Putting bacteria on
the seed
Winter wheat sown in the spring will not produce heads because it has not been -
correct answer vernalized
Among the types of wheat grown in the U.S. include? - correct answer Hard red spring
Durum
Soft red winter
Hard red winter
Properly hardening winter wheat involves - correct answer Gradually lowering
temperature and short days
Hardened plants have _______ moisture content in their leaves than unhardened
plants. - correct answer Lower
Which of the following is principally used for flour that makes pasta? - correct answer
Durum
Which of the following is recognized as the premium miller's wheat for bread flour? -
correct answer Hard red winter
The substance in wheat flour which permits bread dough to rise and stretch is called? -
correct answer Gluten
Soft red winter wheat is commonly used in - correct answer Pastries
In selection of a variety of wheat to grow, the number one consideration should be? -
correct answer Adapted to the area
Wheat millers are very concerned about - correct answer Gluten content
In semiarid area of the Great Plains the greatest limiting factor on wheat yield is? -
correct answer Moisture
Fallowing is done primarily to - correct answer Conserve moisture
The "safe date" for sowing winter wheat is based on the potential for damage from? -
correct answer Hessian fly
Drilling wheat is superior to broadcasting because: - correct answer Stands are more
uniform
Wheat should be planted at a depth of - correct answer 1-2 inches
