Sample paper analysis | Biology 2020-2021 | Marking Scheme
#Biology_Sample_Paper
#Analysis
#Changed_pattern
#SectionB_C_D

Bioreactors
[ Ссылка ]

RNAi
[ Ссылка ]

Sewage Treatment
[ Ссылка ]

Here I have provided you with the sample paper answers recently released by CBSE with it's changed marking scheme with all the concepts behind the answers.
Jeev vigyan by Avantika

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