Class XII Science Biology MCQ Extra Questions Answers
Class 12th Biology MCQ Sample paper Questions
Class XII Science Biology MCQ Solutions
12th Biology NCERT Syllabus MCQ Questions
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Class XII Science Biology MCQ Extra Questions Answers
Class 12th Biology MCQ Sample paper Questions
Class XII Science Biology MCQ Solutions
12th Biology NCERT Syllabus MCQ Questions
c. Prevention of the multiplication of bacteriophage in bacteria