Which one of the following phytohormone is also called IAA?
Auxin
Gibberellins
Cytokinins
Ethylene
Apical dominance is seen in
Man
Fungi
Tree
Snail
Which of the following induces cell division?
ABA
Cytokinin
Gibberellin
The capability of plant cells that is used in tissue culture is
Totipotency
Differentiation
Embryogenesis
None of these
In plants rapidly dividing cells are localized in special regions called
Collenchyma tissue
Parenchyma tissue
Meristematic tissue
Sclerenchyma tissue
Growth rings are prominent in the trees seen in
Temperate region
Tropical region
Arctic region
Plant hormones are
growth regulators
growth promotors
growth inhibitors
all of these
Cell elongation in internodal regions of green plants takesplace due to
ethylene
cytokinin
gibberellin
indole acetic acid
Gibberellins was first discovered by
Fisher
Bateson
Kurosawa
Johanssen
Gibberellic acid is a
Pesticide
Insecticide
Enzyme
Plant hormone