Class 12th Biology NCERT Based MCQ Questions Answers 12th Biology Science Session 2021-22 Class 12 Science Biology Important MCQ Solutions Class 12 Biology Chapter-8 Human Health and Diseases MCQ Questions

Class 12 Science Biology Terminal Exams MCQ Solutions 12th Biology NCERT Syllabus MCQ Questions Class 12 Science Biology Important MCQ Solutions Class 12 Biology MCQ Chapter-8 Human Health and Diseases Questions Answers

Class 12 Science Biology Important MCQ Solutions 12th Biology Chapter-8 Human Health and Diseases MCQ Solutions Class 12 Science Biology Terminal Exams MCQ Solutions 12th Biology Science Session 2021-22

i. Lymphocytes become more active ii. Body attacks self cells iii. More antibodies are produced in the body iv. The ability to differentiate pathogens or foreign molecules from self cells is lost