Two blocks of Agar $1$ and $2$ were kept in the positions shown in the diagram below for several hours and then transferred into two freshly cut coleoptiles

After two days of growth which of the following would result

Assertion : Agent orange is a mixture of $2,4-\mathrm{D}$ and $2,4,5-\mathrm{T},$ used during Vietnam War.

Reason:  $2,4-\mathrm{D}$ and $2,4,5-\mathrm{T}$ are used as herbicides.

Assertion : Stratification of seeds may promote their germination.

Reason Stratification promote gibberellin and cytokinins.

Assertion : Dark period play more important part in flowering than light period.

Reason : Flowering occurs in short-day plant if the dark period is interrupted by light break.