Which of the following induces and promotes cell division?
ABA
Auxin
Cytokinin
Gibberellin
C.
Cytokinin
Cytokinin is a plant cell division hormone, i.e. it induces and promotes cell division in plants. It is primarily involved in cell growth and its differentiation. It also affects apical dominance, axillary bud growth and leaf senescence.
Study of bakanae disease of rice led to discovery of
auxins
bakery rice
Both (a) and (b)
gibberellins
Equipment used for the measurement of growth in plants is known as
respirometer
auxanometer
atmometer
potometer
When an ovary develops into a fruit without fertilization it is called
porogamy
apospory
apogamy
parthenocarpy
Phototropic curvature in Avena coleoptile is the result of uneven distribution of
auxin
starch
gibberellins
phytochrome
