Biologyhard · Past Paper
Which hormone is called the 'stress hormone' in plants?
AAuxin
BGibberellin
CAbscisic acid
DCytokinin
✓ Correct Answer: C — Abscisic acid
Abscisic acid (ABA) helps plants respond to environmental stress, like closing stomata during drought.
Share this question
More from Biology
- Which valve separates the left atrium from the left ventricle?
- Which of Mendel's laws is based on the results of a dihybrid cross?
- Which of these is a non-membrane bound organelle found in both prokaryotes and eukaryotes?
- Rough Endoplasmic Reticulum (RER) is 'rough' due to the presence of:
- Who coined the term 'Gene'?