CBSE
Multiple Choice QuestionsGibberellin was first extracted from
Gibberella fujikuro
algae
bacteria
roots of higher plants
In which one pair both the plants can be vegetatively propagated by leaf pieces?
Bryophyllum and Kalanchoe
Chrysanthemum and Agave
Agave and Kalanchoe
Asparagus and Bryophyllum
Apical dominance is caused by
auxin
gibberellin
kinetin
ABA
Induction of flowering by low temperature treatment is
vernalization
cryobiology
photoperiodism
prunning
Which of the following is not caused by deficiency of mineral?
Chlorosis
Etiolation
Shortening of internodes
Necrosis
Which of the following plant is LDP?
Xanthium
Soybean
Wheat
Tobacco
Which one of the following is a natural growth inhibitor?
NAA
ABA
IAA
GA
In callus culture, roots can be induced by the supply of
auxin
cytokinin
gibberelin
ethylene
The bioassay of auxin is
avena curvature test
callus formation
culture of fungus
seed dormancy
The bioassay of auxin is
avena curvature test
callus formation
culture of fungus
seed dormancy
