Describe how different environmental factors affect the direction of growth of roots and shoots making reference to plant hormones

Shoots grow upwards towards light and away from gravity, while roots grow downwards towards moisture and with gravity. Plants produce an uneven distribution the hormone auxin causing unequal growth rates of one side of the shoots allowing the root to curve upwards towards light.

PI

Related Biology GCSE answers

All answers ▸

Describe which neurones are involved in coordinating a reflex action.


Explain how monoclonal antibodies are formed and suggest a potential use for monoclonal antibodies.


Describe mitosis as part of the cell cycle


Compare the structure of prokaryotic and eukaryotic organisms.