Related Questions
The ripening of fruits can be fastened by treatment with
Gibberellins
Cytokinins
Ethylene
Auxin
Auxins promote
Cell growth and enlargement
Cambial activity
Apical dominance
All of the above
The following statements are given about plant growth hormones:
I.Cytokinins suppress the synthesis of chlorophyll.
II.Auxins control apical dominance.
III.Gibberellins promote shoot elongation.
IV.Abscisic acid enabling seeds to withstand desiccation.
Which of the above statements are correct?
I and II
II and III
I and III
II, III and IV
Which of the following hormones is also known as stress hormone?
Cytokinin
ABA
Auxin
Ethylene
The natural plant hormone isolated from corn kernels and coconut milk is
Florigen
GBA
Free auxins
Zeatin
Which is used as weedicide?
2,4-D
IBA
IAA
ABA
Respiratory climacteric is related with
ABA
Auxin
GA
Gibberellins promotes cell division and elongation in
Leaves
Roots
Shoots
All of these
Natural and synthetic-auxin (IAA, NAA, IBA, 2-4-D) have been used extensively in
Agriculture
Horticulture
Both (1) and (2)
Sericulture
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
