Question

A plant is observed to have deep roots and tendrils that wrap around objects. Which pair of tropisms correctly describes these responses?

Answer 1

The deep roots demonstrate positive gravitropism, as they grow in the direction of gravity. The tendrils wrapping around objects demonstrate positive thigmotropism, as they respond to touch or physical contact with other objects.

Answer 2

A. hydrotropism and thigmotropism
B. phototropism and thigmotropism
C. geotropism and phototropism
D. hydrotropism and geotropism

Answer 3

C. geotropism and phototropism