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
A plant hormone promotes bolting in rosette plants and is also antagonistic to the effects of abscisic acid on alpha-amylase activity. This hormone also plays a key role in apical dominance. Which of the following hormones fits this description?
Gibberellin
Auxin
Cytokinin
Ethylene
โBakaneโ disease is related to (hormone and plant)
Hormone Plant
Auxin Wheat
Cytokinin Corn
Gibberellin Rice
Ethylene Tomato
Cytokinins are primarily involved in:
Apical dominance
Senescence
Cell division
Dormancy
Which PGR was isolated from tips of coleoptiles of oat seeding by F.W. Went?
Auxin
Cytokinin
Gibberelin
Abscisic acid
The shedding of leaves, flowers or fruits due to change in the hormonal balance in plants, is referred as
Senescence
Abscission
Photoperiodism
vernalization
The most common auxin is
GA
ABA
Kinetin
IAA
I. Indole-3-acetic acid
II. 2-4, dichlorophenoxy acetic acid
III. 6 Indole butyric acid
IV. Naphthalene acetic acid
Above are the examples of which PGR?
Auxin
Cytokinin
Ethylene
Gibberellin
Fruit and leaf drop at early stages can be prevented by the application of
Gibberellic acid
Cytokinins
Ethylene
Auxins
Which one is first to be discovered ?
I. More female flowers in cucumber
II. ฮฑ-amylase production is barley grain
III. Acceleration of fruit ripening in tomato
IV. Delayed in sprouting in potato tubers
From the given effects find, out the effects of ethylene and choose the correct option accordingly
I, III and IV
I, II and IV
II, III and IV
I, II and III