In plants, auxin synthesis occurs in
cortex
xylem cells
phloem cells
root and shoot tips
Which of the following is the gaseous hormone?
auxin
ethylene
cytokinin
gibberellin
Which of the following is a gaseous plant growth regulator?
GA
ABA
kinetin
During drought condition, the plants produce a hormone known as
abscisic acid
indole acetic acid
indole butyric acid
Bud dormancy is induced by
IAA
gibberalic acid
The crescograph was invented by
Darwin
J.C.Bose
F.W. Went
C.V. Raman
The movement of auxin is largely?
basipetal
acropetal
centripetal
centrifugal
The leaves of Mimosa pudica drop down, When touched, due to
photonasty
seismonasty
nyctinasty
epinasty
The length of a plant can be increased by
periblem
dermatogen
apical meristem
lateral meristem
Thigmotropism is best exhibited by
root apex
tendrils
thorns
lamina
