Human Health and Disease: Class 12 Biology (Bihar Board) important questions and practice
Human Health and Disease is chapter 7 of 13 in Bihar Board Class 12 Biology. Below are the topics the paper draws from, the question types that come up again and again, and a free practice test on this chapter alone.
Topics in this chapter
- Common infectious diseases: typhoid, pneumonia, malaria, amoebiasis, ascariasis, filariasis, ringworm, dengue, chikungunya
- Life cycle of Plasmodium
- Immunity: innate and acquired, active and passive, antibody structure, vaccination
- AIDS: HIV replication, transmission and prevention
- Cancer: types, causes, detection and treatment
- Drugs and alcohol abuse: opioids, cannabinoids, cocaine; adolescence and prevention
What examiners usually ask
- Draw a labelled diagram of the life cycle of Plasmodium showing stages in humans and mosquito
- Explain the structure of an antibody molecule with a diagram
- How does HIV multiply inside the human body? Explain with a flowchart
Exam tip
The Plasmodium life cycle, antibody structure (two heavy and two light chains, H2L2) and HIV replication flowchart are the three diagrams most often asked; also prepare the pathogen-disease-symptom table for the eight diseases.
Human Health and Disease on other boards and exams
Frequently asked questions
What are the important questions from Human Health and Disease for Bihar Board Class 12?
The question types listed above repeat most often in Bihar Board Class 12 Biology papers for this chapter. Practise them with the chapter test and then attempt them inside a full previous-year paper under time.
Is Human Health and Disease in the Bihar Board Class 12 Biology syllabus?
Yes. Human Health and Disease is part of the current Bihar Board Class 12 Biology syllabus, as listed on this site from the prescribed textbook.
Can I practise Human Health and Disease MCQs in Hindi?
Yes. The chapter test and explanations are available in Hindi and English, with an AI doubt solver for any question.