Plant Growth and Development Question 10
10. Phytohormones are:
(a) chemicals regulating flowering
(b) chemicals regulating secondary growth
(c) hormones regulating growth from seed to adulthood
(d) regulators synthesised by plants and influencing physiological processes
Show Answer
Answer : d
Hints & Solutions
(d) Phytohormones are plant hormones which are synthesized by the plants and act as regulators and influence physiological process like growth, movements etc. auxins, gibberellins etc. are the phytohormones.
