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Which of the following is a plant hormone?

Which one of the following pairs is not correctly matched?

Differentiate between the following plant growth regulators:
$(1)$ Auxins $(IAA)$ and Abscisic acid $(ABA)$
$(2)$ Gibberellins and Ethylene

You are given a tissue with its potential for differentiation in an artificial culture. Which of the following pairs of hormones would you add to the medium to secure shoots as well as roots?

Which of the following are added as growth promoters in culture media?
$(i)$ Ethylene
$(ii)$ Abscisic acid
$(iii)$ Gibberellin
$(iv)$ Auxin
$(v)$ Cytokinin