Which of the following is a pheromone?

Match the following columns correctly:

Column-$I$	Column-$II$
$(A)$ Outcrossing	$(i)$ Agar-agar gel
$(B)$ Interspecific hybridization	$(ii)$ Mule
$(C)$ Callus culture	$(iii)$ Rotary shaker
$(D)$ Suspension culture	$(iv)$ Santa Gertrudis

$A$ : Hybrid seeds have to be produced every year because seeds collected from hybrid plants,if sown subsequently,do not maintain hybrid characters.
$R$ : Hybrid seeds show segregation of traits.

Which of the following statements about vegetative reproduction is incorrect?

What is the full form of $IARI$?

Blue revolution:
$I$. It is the rapid expansion of intensive commercial aquaculture.
$II$. It aims to increase global food production and reduce widespread hunger.
Which of the statements given above is/are correct?