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6. Control and Coordination
hard
जलानुवर्तन दर्शाने के लिए एक प्रयोग की अभिकल्पना कीजिए।
Option A
Option B
Option C
Option D
Solution

Take two small beakers and label them as $A$ and $B$. Fill beaker $A$ with water. Now make a cylindrical-shaped roll from a filter paper and keep it as a bridge between beaker $A$ and beaker $B$, as shown in the figure. Attach few germinating seeds in the middle of the filter paper bridge. Now, cover the entire set-up with a transparent plastic container so that the moisture is retained.
Observation :
The roots of the germinating seeds will grow towards beaker $A$.
This experiment demonstrates the phenomenon of hydrotropism.
Standard 10
Science