No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
Naphthalene acetic acid
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
Indolebutyric acid
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
Abscisic acid
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
E
Ethylene
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is D Abscisic acid Stress hormone is a hormone produced during adverse environmental conditions. Abscisic acid (ABA) is called as stress hormone. Due to this hormone, plants respond to stresses conditions like cold, drought. It increases the tolerance of plants toward various stresses. It is found in high concentration in roots during drought and later translocated to leaves. It causes stomatal closure during water stress. It also promotes seed dormancy under adverse condition.