Correct option (b) mustard
Explanation:
The gynoecium in family-Cruciferae (Brassicaceae) is bicarpellary, syncarpous, ovary superior, unilocular with parietal placentation. At maturity, ovary becomes bilocular due to the formation of false septum (replum), e.g. mustard
In family-Asteraceae (Compositae) the gynoecium is btcarpellary syncarpous, ovary inferior, unilocular, one ovule in each locule basal placentation and stigma branched, e.g. sunflower.
In family N-Fabaceae (Leguminosae) the gynoecium is monocarpellary, unilocular with superior ovary and marginal placentation, e g pea.
