Name the plant hormone that is produced in the roots and diffuses to other parts of the plant.
Ethylene
Auxin
Abscisic acid
Gibberellin
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
None of these
In which of the following differentiation is not seen.
Amoeba
Maize plant
Snail
Lizard
Gibberellins was first discovered by
Fisher
Bateson
Kurosawa
Johanssen
A cell whose fate is determined is called
Differentiated cell
Meristematic cell
Totipotent cell
Which of the following is a growth - hormone, produced by a fungus?
Auromycin
Which of the following induces cell division?
ABA
Cytokinin
The hormone, which controls cell division and cell differentiation, is
Cell elongation in internodal regions of green plants takesplace due to
ethylene
cytokinin
gibberellin
indole acetic acid