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Question
Movement of pollen tube towards embryo sac is
Movement of pollen tube towards embryo sac is
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Solution
The correct option is B Chemotactic
Thermotactic movement
Thermotactic movement is the movement of an organism under the influence of temperature.
Phototactic movement
Phototactic movement is the movement of an organism under the influence of light.
Chemotactic movement
Chemotactic movement is the movement of an organism under the influence of chemical stimulus. The pollen tube grows as it is attracted towards chemicals released by the synergid cells of the embryo sac. Hence, it is an example of chemotactic movement.
Thigmotactic movement
Thigmotactic movement refers to the movement of an organism under the influence of touch of a body.
Final answer
c. Chemotactic.
Thermotactic movement
Thermotactic movement is the movement of an organism under the influence of temperature.
Phototactic movement
Phototactic movement is the movement of an organism under the influence of light.
Chemotactic movement
Chemotactic movement is the movement of an organism under the influence of chemical stimulus. The pollen tube grows as it is attracted towards chemicals released by the synergid cells of the embryo sac. Hence, it is an example of chemotactic movement.
Thigmotactic movement
Thigmotactic movement refers to the movement of an organism under the influence of touch of a body.
Final answer
c. Chemotactic.
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