During mid 1960s, the purification and chemical characterisation of which of the following PGR was performed?

(1) ABA

(2) GA

(3) Auxin

(4) Cytokinins

(1) Hastened the ripening of already ripened bananas

(2) Hastened the ripening of unripened banana

(3) Slowed the ripening of unripened bananas

(4) Slowed the ripening of oranges

(1) To escape

(2) To slow

(3) To grow

(4) To fasten

(1) Human serum

(2) Human urine

(3) Human stool

(4) Human saliva

(1) NAA

(2) IAA

(3) IBA

(4) GA3

(1) Auxein

(2) Auxin

(3) GA3

(4) GAs

(1) Initiate rooting in stem cuttings

(2) Promote flowering e.g. Pineapples

(3) Prevent fruit and leaf drop at early stages

(4) Prevent the abscission of older mature leaves and fruits

(1) Lateral, lateral Dominance

(2) Lateral, Apical Dominance

(3) Apical, Lateral Dominance

(4) Apical, Apical Dominance

1. Auxins

2. Cytokinins

3. GA₃

4. ABA

(1) GA3

(2) ABA

(3) Auxin

(4) Cytokinins