NCERT Solutions for Class 12 Principles of Inheritance and Variation: Chapter-wise NCERT solutions for Class 12 Biology, Chapter 4, Principles of Inheritance and Variation are available here. There ...

Scientists were able to identify chromosomes under the microscope as early as the 19th century. But what did it take for them to figure out how important chromosomes really are? Aa Aa Aa The second ...

ISC Class 12 Biology Syllabus 2025: Council for the Indian School Certificate Examinations (CISCE), the board responsible for conducting Indian School Certificate (ISC) examinations has released the ...