First slide

Plant Growth Regulators

Question

Recall the experiment conducted by Darwin on canary grass.
Now imagine what would happen if coleoptiles of canary grass are removed?

Moderate

A

Bending will occur away from the light
B

Bending will occur towards the light
C

Plant will start flowering
D

No bending will take place

Solution

If coleoptile tips are removed then there is no bending of shoots towards light because the stimulus of light will not be perceived.

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