Fill in the places with appropriate word/ words.
a. A phase of growth which is maximum and fastest is __________.
b. Apical dominance as expressed in dicotyledonous plants is due
to the presence of more ________ in the apical bud than in the
c. In addition to auxin, a ________ must be supplied to the culture
medium to obtain a good callus in plant tissue culture.
d. ________ of vegetative plants are the sites of photoperiodic
(a) Log phase or exponential phase.
(c) Cytokinin- kinetin, zeatin, and 6-benzyl amino purine