Q 2014812759.     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 lateral ones.
(c) In addition to auxin, a ________must be
supplied to culture medium to obtain a good callus in plant tissue culture.
(d)________of a vegetative plant are the sites
of photoperiodic perception.

NCERT Exemplar 15/01/V

Solution for all Exemplar Problems of Biology Class 11 Chapter 15- Plant Growth and Development

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