On the basis of the information mentioned, select the correct name of phytohormones for a,b and c respectively: (i) Hormone (a) helps in initiation of root and root hair formation at low concentratio
1.a-auxin, b-Gibberellin, c-Ethylene
2.a-Cytokinin, b-Zeatin, c-ABA
3.a-IAA, b-Ethylene, c-Cytokinin.
4.a-Ethylene, b-Gibberellin, c-ABA.