Besides the Avena curvature test, which of the following can also be used to bioassay auxin?
Seed germination rate
Flowering time
Root elongation inhibition
Fruit ripening rate
Related Questions
If a pineapple farmer wants to synchronize flowering and fruiting in their crop, which of the following hormonal treatments would they MOST likely apply?
Gibberellins and Cytokinins
Ethylene and Auxins
Abscisic acid and Cytokinins
Gibberellins and Abscisic acid
Prunning of plants promotes branching because the axillary buds get sensitized to
Ethylene
Gibberellin
Cytokinin
Indole acetic acid
Most widely used compound as a source of ethylene is
Nepthol
Acetol
Ethephon
Ethepcon
The plant hormone responsible for apical dominance is
Cytokinin
Auxin
Ethylene
ABA
Which plant hormone promotes seed dormancy, bud dormancy and causes stomatal closure?
IAA
Abscisic acid
GA
cytokinin
Plant hormones are
Growth regulators
Growth promoters
Growth inhibitors
All of these
One hormone helps in ripening of fruits, while the other stimulates closure of stomata. These are respectively
Abscisic acid and auxin
Ethylene and abscisic acid
Auxin and ethylene
Ethylene and gibberellic acid
Which plant hormone is found in gaseous form?
Auxin
Cytokinin
Ethylene
ABA
Study the following question
I. Who was the first to confirm the release of volatile?
Substance from ripened organs of plants?
II. Who discovered kinetin from herring sperm?
III. Who discovered GA?
Which of the following option correctly answer the given questions?
I-Cousin, II-Miller and Skoog, III-Kurosawa
I-Cousin, II-Kurosawa, III-Darwin
I-Cousin, II-Darwin, III-Kurosawa
I-Kurosawa, II-Miller and Skoog, III-Cousins
Fruit and leaf drop at early stages can be prevented by the application of
Gibberellic acid
Cytokinins
Ethylene
Auxins