Which one of the plant growth regulators would you use if you are asked to : Induce growth in axillary buds.

Which one of the plant growth regulators would you use if you are asked to : Induce rooting in a twig

Which one of the plant growth regulators would you use if you are asked to : Quickly ripen a fruit

Which one of the plant growth regulators would you use if you are asked to : 'Bolt' a rosette plant

Which one of the plant growth regulators would you use if you are asked to : Induce immediate stomatal closure in leaves.

Which one of the plant growth regulators would you use if you are asked to : Delay leaf senescence

Samples of four metals A,B,C and D were taken and added to the following solutions one by one.The results obtained have been tabulated as follows. Use the table above to answer the following questions about metals A,B,C and D. (i)Which is the most reactive metal? (ii)What would you observe if B is added to a solution of copper (II) sulpahate? (iii)Arrange the metals A,B,C and D in the order of decreasing reactivity.