Question

Describe the following responses and their importance to plant. Phototropism, geotropism, chemotropism, hydrotropism

Answer 1

phototrophism:

it is the response by a plant to light.

positive phototrophism is shown by shoot and negative phototrophosm is shown by roots.

geotrophism:

it is the response by a plant to earth's gravity.

positive geotrophism is shown by roots and negative geotrophism is shown by shoots.

chemotrophism:

it is the response by a plant to chemicals.

hydrotrophism:

it is the response by a plant to water.

positive hydrotrophism is shown by roots and negative hydrotrophism is shown by shoots.