I had scored 56 percent in hsc can i get admission in bsc in zoology

Every college has different criterias for taking admission into the course. Like for some of the colleges your 12th marks doesn't matters as you just need to qualify their entrance exam for the course. Likewise, Some colleges takes admissions according to the merit list i.e, your 12th marks are considered for the admission into the course. Therefore, yes you can have chances of getting admission into BSc zoology with 56%.