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 A chemical substance produced naturally in plants and are translocated to another region for regulating various physiological reactions is known as

Option: 1

Phytochromes

 


Option: 2

Phytocyanin

 

 


Option: 3

Phytohormones

 


Option: 4

Both b and c

 


Answers (1)

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Phytohormones -

A chemical substance produced naturally in plants which is translocated to another region for regarding physiological reactions when present in low concentration.

Plant growth promoter - auxins, gibberellins and cytokinines Plant growth inhibitor - ABA, ethylene. Hence the correct option is c. 

 

 

 

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manish

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