#Question id: 11604
#XL - R Botany
What will be the effect of exogenous gibberellin in plant?
a) extreme stem elongation in dwarf plants
b) Increases in stem
thickness
c) decrease in leaf size
d) decreases in stem thickness
e) Increases in leaf size
f) pale green color of the leaves
#Question id: 11605
#XL - R Botany
Major uses of gibberellins applied as a spray or dip, are to manage several processes except,
#Question id: 11607
#XL - R Botany
How the active gibberellin GA1 is inactived by?
a) By hydroxylation remove
GA20 from the biosynthetic pathway by converting it to GA1
b) conversion to GA8 by a hydroxylation on carbon 2
c) By hydroxylation remove GA20 from the biosynthetic pathway by converting it to GA29
#Question id: 11609
#XL - R Botany
All of gibberellins are tetracyclic diterpenoid acids, but only a few of which, have intrinsic biologically active gibberellins these are__
#Question id: 11611
#XL - R Botany
Given below are names of phytohormones in column I and their
associated features/effects/ functions in column II.
|
Column I ( Phytohormones) |
Column II ( Features) |
|
A)
Auxin |
i) Causes seed germinations |
|
B)
Cytokinin |
ii) Plant Stress Hormone that activates many
defense responses |
|
C)
ABA |
iii)
Polar transport |
|
D)
Gibberellin |
iv) Delayed leaf senescence |
|
E)
Jasmonic acid |
v)
Causes seed dormancy |
Which of the following combination from the above statements is correct?
#Question id: 11615
#XL - R Botany
Biosynthesis of GA including various enzyme which are belong to______I_________ and are localized in the ______II__________.