Q1 of 36 Page 261

What is called the movement of plant toward the gravity?

•The movement of plants towards water is hydrotropism.

•The movement of plants towards gravity is known as geotropism.


•The movement of plants towards chemical stimulus is known as chemotropism.


•The movement of plants towards light is phototropism.

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1

The plant part which exhibits negative geotropism is:

 1

The growth of a pollen tube towards the ovule is caused by....

A phototropism


B. hydrotropism


C. gravitropism


D. chemotropism

 1

Bending of the shoot of a plant in response to light is known as.....

 1

The stimulus in the process of thigmotropism is: