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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…
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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…