Which hormone is used to induce ripening in banana?
GA
ABA
ethylene
cytokinin
Opening of flower and dropping of bud is an example of
hyponasty
epinastic movement
phototatic movement
movement of curvature
Abscisic acid treatment results in
leaf expansion
stem elongation
stomatal closure
root elongation
A pigment concerned with both floral induction and seed germination is
florigen
chlorophyll
phytochrome
plastocyanin
Gibberellins was first discovered by
Fisher
Bateson
kurosawa
Johanssen
Proteinaceous pigment, which is the centre of activities concerned with light, is
chlorophyII
anthocyanin
carotenoids
cell elongation in internodal regions of the green plants takes place due to
gibberellin
indole acetic acid
In plants, auxin synthesis occurs in
cortex
xylem cells
phloem cells
root and shoot tips
Growth movements, in response to light, are called
photolysis
phototropism
photoperiodism
photosynthesis
Which of the following hormone is involved in phototropism?
IAA
2,4-D
kinetin
