Q1 of 86 Page 150

The bending of root of a plant in response to water is called __________.

Hydrotropism is the directional movement or orientation of plant part in response to stimulus water. Bending of roots of the plants towards water is an example of positive hydrotropism.

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5

Define transpiration.

 1

Design an experiment to demonstrate hydrotropism.

 2

A growing seedling is kept in the dark room. A burning candle is placed near it for a few days. The top part of the seedling bends towards the burning candle. This is an example of ____________.

 3

The root of the plant is __________.

i) positively phototropic but negatively geotropic


ii) positively geotropic but negatively phototropic


iii) negatively phototropic but positively hydrotropic


iv) negatively hydrotropic but positively phototropic