Opening of flower is an example of

The leaf of $Mimosa$ $pudica$ droops down upon touching due to:

Select an incorrect match.

Identify the incorrect statement/s.
$I$. Kinetin is a derivative of adenine which is a pyrimidine.
$II$. The technique of decapitation is widely used in tea plantations.
$III$. Ethylene is a gaseous plant hormone.
$IV$. Use of $GA$ hastens the malting process in brewing industry.
$V$. $ABA$ is a growth promoter.

Which of the following pairs is not correctly matched?

One hormone hastens the maturity period in juvenile conifers,a second hormone controls xylem differentiation,while the third increases the tolerance of plants to various stresses. They are respectively: