Poaceae Flashcards
1
Q
Poaceae is
A
Major cereals (Wheat/corn/rice)
2
Q
Which crop is the most important worldwide? A) Rye B) Sugarcane C) Maize D) Bean E) Wheat
A
E
3
Q
What is a culm?
A
Stem of an herb - tropical bamboo
empty internodes, full nodes
4
Q
T/F
Herbs have fibrous roots
A
True
5
Q
What is the purpose of a ligule?
A
To prevent things from getting inside the sheath of the grass stem
6
Q
T/F
Poaceae are bird-pollinated
A
False - wind-pollinated
hanging stamens & feathery stigmas
small numerous unisexual flowers
7
Q
We mostly use this part of the grain: A) Endosperm B) Aleurone C) Embryo D) Scutellum
A
A - high in starch (sugar storage for germination)
8
Q
Wheat has a protein content of
A
12-14%
9
Q
Wheat was domesticated in: A) Mexico B) Africa C) Middle East D) South Asia
A
C
10
Q
What is the difference between Leavened and Unleavened bread?
A
Leavened requires fermentation via yeast
11
Q
Leavened bread first appeared in: A) Middle East B) China C) Mexico D) Egypt
A
D
12
Q
Whole wheat =
A
Entire grain used for flour - most nutritious
13
Q
Refined wheat =
A
Endosperm only is milled - long shelf life
14
Q
Enriched wheat =
A
Refined with added iron & vitamins
15
Q
Pasta was first referenced in: A) Mexico B) Italy C) China D) Middle East
A
B
