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Class 12th Biology Chapter-16. पर्यावरणीय मुद्दे (Environmental Issues) Objective Question 16. पर्यावरणीय मुद्दे (Environmental Issues)…
Class 12th Biology Chapter-15 जैव विविधता एवं संरक्षण (Biodiversity and Conservation) Objective Question 15. जैव…
Class 12th Biology Chapter-14 पारिस्थितिक यंत्र (Ecosystem) Objective Question 14. पारिस्थितिक यंत्र (Ecosystem) 1. जैव…
Class 12th Biology Chapter-13 जीव एवं समष्टियाँ (Organisms and Populations) Objective Question 13. जीव एवं…
Class 12th Biology Chapter-12 जैव प्रौद्योगिकी एवं इसके अनुप्रयोग (Biotechnology and Its Applications)Objective Question 12.…
Class 12th Biology Chapter-11 जैव-प्रौद्योगिकी के सिद्धांत एवं प्रक्रियाएँ (Principles and processes of biotechnology) Objective…