Which auxin is commonly used in both callus and suspension cultures?

Which of the following statements is incorrect regarding the process of tissue culture?

Assertion : In plant tissue culture,somatic embryos can be induced from any plant cell.
Reason : Any viable plant cell can differentiate into somatic embryos.

Select the correct sequence for the production of somatic hybrid plants in somatic hybridization.
$I -$ Isolation of protoplasts
$II -$ Digestion of cell wall
$III -$ Regeneration of somatic hybrid plants
$IV -$ Isolation of cells
$V -$ Fusion of protoplasts of two different varieties
$VI -$ Formation of hybrid protoplasts

In tissue culture,a single germinating pollen grain will form a ........ plant.

Which of the following is considered a modern technique in agricultural and biological practices?