HBSE Class 12 Biology Pre-Board Sample Paper 2026 Answer Key
HBSE Class 12 Biology Pre-Board Sample Paper 2026 Answer Key SECTION – A (1 Mark) 1. Relaxin hormone is secreted by : (a) Rete testis (b) Leydig cells (c) Ovary (d) Fallopian tube Answer – (c) Ovary 2. Which of the following is not a wall layer of the microsprangium? (a) Epidermis (b) Endothecium (c) … Read more