Home » Posts » Xth Science – Biology Portion Xth Science – Biology Portion Chapters 5 to 8 and 13 included- 29marks weightage covered – 80 marks paper with solution Biology Question Paper Biology Solved Paper Related Articles XIIth – Commerce – Computer Studies – Full Paper XIIth Commerce – Statistics – Board Papers Xllth Commerce – Economics – Full Paper Xth Social Science Gala Objectives Solved