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प्रश्न
The movement of a shoot towards light is:
विकल्प
geotropism
hydrotropism
chemotropism
phototropism
उत्तर
phototropism
Explanation:
The movement of plant shoots towards the light is an example of phototropism (photo = light; tropism = movement).
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संबंधित प्रश्न
Which of the following is a growth movement and which is not?
- Folding up of leaves of sensitive plant on touching with hand.
- Folding up of petals of dandelion flower when light fades.
Name the plant organ which is positively geotropic
Define thigmotropism. Give one example of thigmotropism.
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
One of the following is not caused by the growth related movement of the concerned plant part. This is:
The bending of the stem of a plant towards a source of light is caused by the action of a phytohormone known as :
(a) abscisic acid
(b) auxin
(c) gibberellins
(d) cytokinin
In the given figure (a), (b) and (c), which appears more accurate and why?
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| (a) | (b) | (c) |
The venus flytrap plants are examples of ______.
List two differences between the movement of leaves of a sensitive plant and the movement of a shoot towards light.
Arrange and rewrite the terms in the group in the correct order so as to be in a logical sequence, beginning with the term that is underlined.
Apical meristem, Positive phototropism, Auxins, Cell elongation.
