Question

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

[Review question: Pg. No: 230]

Answer 1

Geotropism:
Movement of a plant in response to gravity. e.g. root of a plant.
Hydrotropism:
Movement of a plant or part of a plant towards water. e.g root of a plant.