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प्रश्न
Which of the following terms denotes the movement of the root of a plant towards moisture in the soil?
(a) thigmotropism
(b) chemotropism
(c) hydrotropism
(d) geotropism
उत्तर
(c) Hydrotropism
Hydro means water and tropism means movement. Thus, the movement of plant roots towards the moisture in the soil is called hydrotropism.
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संबंधित प्रश्न
What is the stimulus in geotropism?
Give the scientific terms used to represent the Bending of a shoot towards light.
Name the plant organ which is positively hydrotropic.
How does phototropism occur in a plant stem (or shoot)? Explain with the help of labelled diagrams.
What is meant by positive phototropism and negative phototropism? Give one example of each type.
What is meant by positive tropism and negative tropism? Explain with examples.
The movement of sunflower in accordance with the path of the sun is due to :
(a) photonasty
(b) phototropism
(c) hydrotropism
(d) chemotropism
To which of the following directional stimulus roots of a plant do not respond?
Which of the following plant part exhibits negative phototropism?
(a) root
(b) branch
(c) leaves
(d) stem
______ flowers bloom as the temperature increases.
