Advertisements
Advertisements
प्रश्न
The bending of the shoot of a plant in response to light is called :
(a) geotropism
(b) phototropism
(c) thigmotropism
(d) photonasty
उत्तर
(b) phototropism
Photo means light and tropism means movement. The bending of plant shoots in response to light is called phototropism.
APPEARS IN
संबंधित प्रश्न
Plant parts show two types of movements, one dependent on growth and other independent of growth Give one example which depends on growth
What is the difference between photonasty and thigmonasty?
Plant roots grow downward in response to ______.
Name the plant organ which is positively hydrotropic.
What is the difference between thigmotropism and thigmonasty? Name one plant which exhibits thigmotropism and one plant which exhibits thigmonasty. What behaviour (or responses) of these plants make you think that they exhibit thigmotropism and thigmonasty respectively?
Name the stimulus which causes the following movements in plants.
phototropism, thigmotropism, hydrotropism and geotropism
The solar tracking of sunflower in accordance with the path of sun is due to ______.
When the leaves of the Mimosa pudica plant are touched with a finger, they fold up quickly.
What is the other name for thigmonasty?
Name a plant hormone responsible for bending of a shoot of a plant when it is exposed to unidirectional light. How does is promote phototropism?
