Which one o f the following plant hormone (phytomone ) Is know as a stress hormone

Options

A. abscsic acid
B. Ethylene
C. `GA_3`
D. lndole acetic acid

Answer

A

Explanation

Abscisic Acid (ABA) is also known as 'strees hormone ' or dormin because it is produced in much higher amounts, when plants am subjected to various kinds of stresses .It often gives plant organs a signal that they are undergoing physiological stresses such as lack of water, saline soil, cold temperature, and frost. ABA often cause responses that help plants and protect against these stresses.