Should we have a science equlency to get into NUSt

[anushey]

I live in saudia.I did 6 IGCSe with physcis ,chem @ maths but no bio since i wanted to go in engineering.No one told me about the equilency thingy.I will give SAT 2.So do they still require science equilency after giving SAt inorder to get admission in engereening.I want ur replys ASApp.I am so stressedout