Aydın publications ayt biology question bank features and explanations aydın publications ayt biology question bank new curriculum. there is less than 5 stocks to be sold at the campaign price. the listed price is valid until 16 october 2026. This question bank is specially prepared for students to improve their exam readiness. It follows the updated curriculum and focuses on skill-based learning and comprehension. Ideal for in-class practice or self-study.