CBSE Class 11th Biology OTBA Study Material 2015
Find Biology OTBA material of class 11th issued by CBSE for the year 2015.The material contains different types of questions for practice.
Find Biology OTBA material of class 11th issued by CBSE for the year 2015. The material contains different types of questions two themes: Theme 1 – Quantifying Evidences of Sensitivity and Theme 2 – Environmental Sanitation.
Sample from Theme 1
Sample from Theme 1
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