Class 11 Biology Plant Physiology Plant Growth and Development
The cause of dormancy for sometime in fertilized ovule is
Presence of Auxin hormone
Zygote divides only after certain amount of endosperm is formed
Presence of growth inhibitor ABA
Presence of least amount of water
Correct answer: (b)
Solution: The fertilized ovule is got dormant so that the adequate amount of endosperm is formed as for division and for further survival, it is very necessary that ample amount of food is present in the seed.
So the correct option is 'Zygote divides only after a certain amount of endosperm is formed'.