Advertisements
Advertisements
प्रश्न
Give the scientific terms used to represent the Bending of roots towards water.
उत्तर
Hydrotropism
APPEARS IN
संबंधित प्रश्न
What is the stimulus in hydrotropism?
What is a plant hormone? Name four plant hormones. State one function of each.
To which directional stimuli do shoots respond?
What is meant by 'tropisms' (or tropic movements)? Explain with an example.
The movement of a plant part in response to the force of attraction exerted by the earth is called :
(a) hydrotropism
(b) geotropism
(c) chemotropism
(d) phototropism
A potted plant is growing in a transparent glass jar. In this plant, X and Y are the two growing parts having a lot of meristematic tissue. It is observed that the part X of this plant exhibits positive geotropism but negative phototropism. On the other hand, part Y of this plant exhibits negative geotropism but positive phototropism.
(a) Name the part X of plant.
(b) Name the part Y of plant.
(c) Which part of the plant, X or Y, will exhibit positive hydrotropism?
(d) Which part of the plant, X or Y, can have tendrils on it?
(e) Which phytohormone causes the part X to exhibit negative phototropism?
Differentiate between:
Thigmotropism and geotropism
State whether true or false. If false, correct the statement.
The response of a part of plant to the chemical stimulus is called phototropism.
The growth of pollen tubes towards ovules is due to
The height of a plant is regulated by ______.
