CBSE Class-12 Biology Answer Key 2021 Set D -057/1/4 Question Paper Solution
Ramakanta Biswal
CBSE conducted the class 12 term-I board examination on 18.12.2021. This post CBSE Class-12 Biology Answer Key 2021 Set D 057/1/4 contains all the expected answer key along with NCERT page number wherever possible.
This is not the official key. This is only for students to know their possible correct attempts.