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Science CBSE Homework Assignments
Class 10
Control and coordination
Tropism in plants
1.
Multiple Choice Questions X
Task:
2
m.
1
.
The movement of sunflower in accordance with the path of sun is due to
hydrotropism
phototropism
geotropism
chemotropism
2
.
The substance that triggers the fall of mature leaves and fruits from plants is due to
gibberellin
abscisic acid
auxin
cytokinin
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