The HSC Biology 1st Paper for 2026 will include multiple-choice questions from Chapter 1, focusing on fundamental concepts in biology. Key topics include the number of standard amino acids, the nature of syncytium, the primary complex phospholipid in cell membranes, and the smallest structural unit of the cell wall. Understanding these concepts is crucial for students preparing for the exam.
Key Concepts
1. The number of standard amino acids is 20. 2. Syncytium is a type of cytoplasm. 3. Lecithin is the primary complex phospholipid in cell membranes. 4. Micelle is the smallest structural unit of the cell wall. 5. The main function of ribosomes is protein synthesis. 6. Cytoplasm maintains the acidity and alkalinity of the cell. 7. Genes are responsible for expressing the characteristic traits of species. 8. Chromoplasts are the plastids other than green. 9. Lysosomes are called the'suicide squad' of the cell due to the autophagic process. 10. An adult human body typically contains 10 grams of DNA.
