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
Related Questions
Apple’s elongation and improvement of its shape is performed by
Auxin
Ethylene
GA
Choose the correct statement
I. Cytokinin – Delay of leaf senescene
II. Auxin – Apical dominance
III. Ethylene – Seed germination
IV. Gibberellins – Immature falling of leaves
I and II
I and IV
II and III
II and IV
Plant hormone which induce the seed germination is
GA
Auxin
Cytokinin
ABA
Which of the following is an anti-gibberellin?
Auxin
ABA
Ethylene
Cytokinin
Gibberellins promotes cell division and elongation in
Leaves
Roots
Shoots
All of these
The discovery of gibberellins is related with one of the following
Blast disease of rice
Rust disease of wheat
Bakane disease of rice
Early blight disease of potato
Genetically dwarf plants can be induced to grow tall by using
Gibberellins
Phycobillins
Auxins
Cytokinins
Which of the following hormone promotes bolting ?
ABA
Gibberellins
Auxin
Cytokinin
Choose the incorrect pair.
Auxins – To grow
Gibberellins – Gibberella fujikuroi
Cytokinins- Herring sperm DNA
Abscisic acid – Flowering hormone
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
