Welcome to your comprehensive guide for IGNOU's BZYCT-135: Physiology and Biochemistry, a core component of the Bachelor of Science (General) (CBCS) programme. This course is designed to provide students with a fundamental understanding of how living organisms function at a molecular and cellular level. Physiology explores the intricate mechanisms of life processes, from how our bodies utilize energy to how cells communicate. Biochemistry delves into the chemical reactions and molecular structures that underpin these vital functions, covering essential molecules like proteins, carbohydrates, lipids, and nucleic acids. Understanding physiology and biochemistry is crucial not only for aspiring scientists but also for anyone seeking to grasp the complexities of life. It forms the bedrock for numerous advanced studies and career paths in fields such as medicine, biotechnology, environmental science, pharmacology, and agricultural sciences. A strong grasp of these subjects equips you with analytical skills and a deep appreciation for biological systems. The BZYCT-135 exam pattern typically includes a mix of theoretical questions testing your understanding of concepts and applications. You'll encounter questions that require you to explain processes, compare different biological molecules, and analyze experimental data. To excel in this course, consistent study is key. Focus on understanding the underlying principles rather than rote memorization. Regularly practicing with IGNOU BZYCT-135 question papers from past years is an excellent strategy to familiarize yourself with the exam format and identify areas that need more attention. Utilizing readily available IGNOU study materials and our provided question papers and answers will significantly aid your preparation journey. Make sure to allocate time for revision and self-assessment to build confidence for your upcoming January 2026 or July 2026 examinations.