Poaceae Flashcards
Poaceae is
Major cereals (Wheat/corn/rice)
Which crop is the most important worldwide? A) Rye B) Sugarcane C) Maize D) Bean E) Wheat
E
What is a culm?
Stem of an herb - tropical bamboo
empty internodes, full nodes
T/F
Herbs have fibrous roots
True
What is the purpose of a ligule?
To prevent things from getting inside the sheath of the grass stem
T/F
Poaceae are bird-pollinated
False - wind-pollinated
hanging stamens & feathery stigmas
small numerous unisexual flowers
We mostly use this part of the grain: A) Endosperm B) Aleurone C) Embryo D) Scutellum
A - high in starch (sugar storage for germination)
Wheat has a protein content of
12-14%
Wheat was domesticated in: A) Mexico B) Africa C) Middle East D) South Asia
C
What is the difference between Leavened and Unleavened bread?
Leavened requires fermentation via yeast
Leavened bread first appeared in: A) Middle East B) China C) Mexico D) Egypt
D
Whole wheat =
Entire grain used for flour - most nutritious
Refined wheat =
Endosperm only is milled - long shelf life
Enriched wheat =
Refined with added iron & vitamins
Pasta was first referenced in: A) Mexico B) Italy C) China D) Middle East
B
Corn was domesticated in:
Mexico
Three Sisters companion planting involved:
Corn, beans, squash
Three Sisters occurred in:
A) North America
B) Asia
C) Mediterranean
A - originally in Mesoamerica
Protein content of corn:
3-7%
Rice was domesticated in: A) North America B) China C) India D) B&C E) all of the above
D
Which grain crop feeds the most people worldwide?
Rice
T/F
Rice can only be grown in flooded areas
False: upland rice is not flooded
Which grain has the highest carbohydrate content?
Rice
Rice protein content:
~7
