11th Class Biology Plant Growth and Development / पौधे की वृद्धि और विकास

  • question_answer 6)
    Why is abscisic acid also known as stress hormone? 

    Answer:

    Abscisic acid acts as a general plant growth inhibitor and an inhibitor of plant metabolism. ABA inhibits seed germination. ABA stimulates the closure of stomata in the epidermis and increases the tolerance of plants to various kinds of stresses. Therefore, it is also called the stress hormone. 


You need to login to perform this action.
You will be redirected in 3 sec spinner