WAEC - Biology (2018 - No. 8)
The conclusion drawn from the experiment in the diagram above is that
shoots of plants are negatively thigmotropic
shoots of plants are negatively geotropic
shoots of plants are positively phototropic
roots of plants are positively hydrotropic
Uitleg
The roots of the plants in diagram 1 bend towards the porous clay pot while growing and the well watered soil sees the plants growing straight and erect. The roots of the plants are positively hydrotropic (respond towards the pull of water positively).