Seeds (germination And Hormones Flashcards
1
Q
Seeds preserved in permafrost have grown viable plants being _ years old
A
32k
2
Q
Timing and process of germination regulated by _ inside seed
A
Hormones
3
Q
_ keeps seed dormant
A
Abscisic acid (ABA)
4
Q
_ trigger germination
A
Gibberellins
5
Q
Auxins stimulate tropism which is growth changes in response to (2)
A
Water
Light sources
6
Q
In shoots, high _ stimulate growth
A
Auxin concentration
7
Q
In roots, high auxins _
A
Inhibit growth
8
Q
_ also helps stimulate germination
A
Ethylene
9
Q
Hormones called cytokinins stimulate _ and _
A
Cell growth
Division
10
Q
Gibberellins, auxins, and cytokinins controls stem growth and development of (2)
A
Buds
Flowers
11
Q
_ controls fruit ripening
A
Ethylene
12
Q
_ controls leaf shedding in fall
A
Abscisic acid
