Circadian rhythms are based on approximately a
2- hour period
7-day period
24- hour period
365- day period
Indole Acetic Acid is
Gibberellin
Auxin
Cytokinin
Abscisic acid
The hormone that helps in parthenocarpy
Ethylene
What happens if the terminal bud of a plant is removed?
Plant grows to normal height
Lateral branches grow
Plant increases in height
Roots do not develop
Water loss from plants is prevented by which of the following hormone:
G.A
NAA
IAA
ABA
The growing region of a root is :
Tip
Below the tip
In between nodes
Lower part of stem
2,4 -D does affect:
Dicot weeds
Monocot weeds
Grasses
All
Apical dominance means
Terminal bud growing nonstop
Terminal bud suppressing the growth of lateral buds
Removal of apex of the stem
Terminal bud and lateral branches grow equally
Shedding of leaves and fruits is due to the hormone:
I.A.A
N.A.A
Gibberellins
Conversion of dwarf pea plant to taller pea plants is by the action of
All of the above
