Look at leaves of the same plant on the shady side and compare it with the leaves on the sunny side Or , compare the potted plants kept in the sunlight with those in the shade . Which of them has leaves that are darker green ? Why ?

In a wheat field some broad leaved weed are seen by the farmers, which plant hormone will you suggest to get rid of them ?

This question has Statement I and Statement II. Of the four choices given after the Statements, choose the one that best describes the two Statements. Statement - I : Sn1 reaction is accompained by racemisation. Statement - II : Carbocation is formed in this reaction, and attack of nucleophile can be from same side of leaving group and can be from opposite side of leaving group.