Name a hormone, which is gaseous in nature

plantgrowth
cbse

#1

Name a hormone, which
(i) is gaseous in nature (ii) is responsible for phototropism
(iii) induces femaleness in flowers of cucumber (iv) is used for killing weeds (dicots)
(v) induces flowering in long day plants


#2

Answer (i) Ethylene (ii) Auxin hormone
(iii) Ethylene hormone (iv) Abscisic acid (growth inhibitors)
(v) Gibberellin hormone.