Question

1. A farmer is going to plant Tapioca cuttings. Which hormone you will suggest for early rooting of tapioca cuttings? 

2. A defoliated short day plant is kept under short-day conditions for 15 days and another short-day plant with single leaf is kept under short day conditions for 1 day. Which plant will possibly flower first and give reasons?

Answer 1

1. Auxin 

2. A short day plant with single leaf will flower first Leaf receives the light stimulus and produce Florigen, It is then transported to the vegetative apex. As a result vegetative apex is converted into reproductive apex and bears oral leaves.