Capacitation of sperm proceeds in -

Ans. is 'b' i.e., Female genital tract Sperm capacitationo Physiochemical change in the sperm by which it becomes hypermotile and is able to bind and fertilize a secondary oocyte.o Takes place in the female genital tracto Takes about 2-6 hours.o Changes involve : cAMP dependent phosphorylation with increase in intracellular pH (influx of Ca2+ and efflux of H+).