NEET Solved Paper 2014 Question 23
Question: Which one of the following growth regulators is known as ‘stress hormone’? [AIPMT 2014]
Options:
A) abscsic acid
B) Ethylene
C) $ G{A_3} $
D) Indole acetic acid
Show Answer
Answer:
Correct Answer: A
Solution:
- Abscisic acid (ABA) is often referred to as the stress hormone in plants because it plays a crucial role in helping plants respond to stress conditions such as drought, salinity, and cold. It helps in closing stomata to reduce water loss and induces other stress tolerance mechanisms.
BETA
