In coleoptile tissue, auxin is
Not transported because it is used where it is made
Transported by diffusion
Transported from the base to tip by osmosis
Produced by growing apices of stem, which migrate to the region of its action
Related Questions
Which of the following functions is/are not the function/s of cytokinin?
I. New leaves formation
II. Chloroplast formation in leaves
III. Lateral shoot formation
IV. Adventitious shoot formation
V. Rooting on stem cuttings
Choose the correct option
Only I
II and III
Only IV
Only V
Which PGR was isolated from tips of coleoptiles of oat seeding by F.W. Went?
Auxin
Cytokinin
Gibberelin
Abscisic acid
Which of the following is a gaseous plant hormone?
Auxin
Gibberellin
Cytokinin
Ethylene
Which of the following is the effect of a plant hormone, which is synthesized more in the absence of light?
Inhibits the development of seedless fruits
Responsible for closing of stomata
Induces the dormancy of seeds
Length of internodes increases
‘Apical dominance’ in plants is the result of
Cytokinin
Auxin
Gibberellin
Ethylene
Spraying a sugarcane field with which hormone would result in increased internode elongation and thus increased sugar production?
Ethylene
Gibberellins
Auxins
Cytokinins
Mobilization of stored food in germinating seed is triggered by
ABA
GA
Cytokinin
Ethylene
Member of auxin, which is widely used to kill the dicotyledonous weed is
IAA
IBA
NAA
2-4-D
Which hormone is involved in the phenomenon of phototropism?
Gibberellin
Cytokinin
Ethylene
Auxin
Photoperiodism was first characterized in
Maryland Mammoth tobacco
Cocklebur (Xanthium)
Soybean
Arabidopsis
