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Subjects
Science CBSE
Class 10
Control and coordination
Textbook based HOTS
28.
Multiple choice questions XXVIII
Exercise condition:
3
m.
1.
The movement of plant organs in response to the force of gravity is called
heliotropism
hydrotropism
geotropism
phototropism
2.
A high concentration of synthetic auxins is generally used for
enhancing root initiation
controlling of cell enlargement
wee control
preventing the growth of the lateral buds.
3.
Gibberellic acid has been successfully employed to induce flowering
in short day plants under long day conditions
for all plants
in long day plants under short day conditions
for some plants
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