ANS:B - 16

The figure may be labelled as shown. The simplest squares are BCNM, CDON, PQIJ and QRHI i.e. 4 in number. The squares composed of two components each are MNTS, NOUT, STQP and TURQ i.e. 4 in number. The squares composed of five components each are ACTL, CEFT, TFGI and LTIK i.e. 4 in number. The squares composed of six components each are BDUS and SUHJ i.e. 2 in number. There is only one square i.e. MORP composed of eight components. There is only one square i.e. AEGK composed of twenty components. Total number of squares in the figure = 4 + 4 + 4 + 2+1 + 1 = 16.