Chemotropism Movement


 
 
Concept Explanation
 

Chemotropism Movement

The tropic response of organisms to chemicals is known as chemotropism. It is best seen in the growth of pollen tube inside the style, ovary and ovule. Here every region produces its own nutrients and chemotactic chemicals for growth and passage of pollen tube. Chemotropism can be observed by germinating a number of pollen grains in animal medium. A drop of nutrient medium containing boron will result in bending of pollen tubes towards it from all directions.                                      

                                                   

Sample Questions
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Question : 1

Which of the following pair is an example of phototropism and chemotropism respectively:

Right Option : C
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Question : 2

Which of the following are the type of tropic movement

Right Option : C
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Explanation
Question : 3

Chemotropism mean movement of plant in response to _____________

Right Option : D
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Explanation
 
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