What is the term for the growth of plant roots downward in response to gravity?
A
Phototropism
B
Geotropism
C
Hydrotropism
D
Thigmotropism
Correct Answer: Option B — Geotropism
Explanation:
Geotropism is the directional growth response of plant roots toward the pull of gravity ensuring they penetrate the soil to anchor the plant...
Geotropism is the directional growth response of plant roots toward the pull of gravity ensuring they penetrate the soil to anchor the plant and absorb water and nutrients.