Essential oils are made of:

The movement in the "Touch-me-not" plant $(Mimosa pudica)$ in response to touch is known as:

Ratio of . . . . . . and . . . . . . plant hormones and their interactions control the morphogenic differentiation.

Name a hormone which:
$(A)$ is gaseous in nature
$(B)$ is responsible for phototropism
$(C)$ induces femaleness in flowers of cucumber
$(D)$ is used for killing weeds (dicots)
$(E)$ induces flowering in long day plants

Match the plant growth hormones of Column-$I$ with suitable chemical derivatives present in Column-$II$ and choose the correct option given below:

Column-$I$	Column-$II$
$A$. Abscisic acid	$(i)$ Adenine derivative
$B$. Gibberellins	$(ii)$ Indole acetic acid
$C$. Kinetin	$(iii)$ Carotenoid derivative
$D$. Auxin	$(iv)$ Terpenes

Which one of the following hormones is not found in plants?