Top Multiple Choice Questions on Human Health and Disease for Exam Practice 4o

human health and disease mcq questions to test your knowledge on immunity, disorders, and infections. Perfect for NEET, board exams, and competitive prep.

Get ready to test and strengthen your biology knowledge with these handpicked multiple-choice questions and clear answers. Perfect for NEET, board exams, or anyone interested in understanding how the human body fights diseases and stays healthy.

What is the primary function of the immune system?
To protect the body against pathogens and foreign substances.

Which cells are responsible for producing antibodies?
B lymphocytes (B cells).

What is the role of T-cells in the immune system?
They help in destroying infected cells and activating other immune cells.

Which disease is caused by the Human Immunodeficiency Virus (HIV)?
AIDS.

Which vitamin deficiency causes rickets?
Vitamin D.

What is the causative agent of malaria?
Plasmodium parasite.

Which organ is primarily affected by tuberculosis?
Lungs.

Which disease is caused by a deficiency of insulin?
Diabetes mellitus.

Which vector transmits dengue fever?
Aedes mosquito.

What is the full form of AIDS?
Acquired Immunodeficiency Syndrome.

Which gland secretes insulin?
Pancreas.

Which component of blood helps in clotting?
Platelets.

Which part of the body does hepatitis affect?
Liver.

What is the role of vaccines?
To stimulate the immune system to develop immunity against diseases.

Which disease is caused by a virus?
Influenza.

What is an allergy?
An exaggerated immune response to a harmless substance.

Which disease is characterized by uncontrolled cell division?
Cancer.

Which hormone regulates blood sugar levels?
Insulin.

Which disease is caused by a bacterium?
Cholera.

Which part of the body is affected by asthma?
Respiratory system, particularly the airways.

What is the main cause of scurvy?
Vitamin C deficiency.

Which organ produces bile?
Liver.

Which part of the immune system acts as the first line of defense?
Skin and mucous membranes.

What is the term for substances that trigger an immune response?
Antigens.

Which disease is spread through contaminated water?
Typhoid.

Which cells engulf pathogens during phagocytosis?
Macrophages.

What does immunity mean?
The ability of the body to resist or fight infections.

What is a vaccine made of?
Weakened or inactive parts of a particular organism that triggers an immune response.

Which vitamin helps in blood clotting?
Vitamin K.

What type of disease is tuberculosis?
Bacterial infectious disease.

Which is a non-communicable disease?
Diabetes.

Which disease is caused by protozoa?
Amoebiasis.

What is the incubation period of chickenpox?
About 10 to 21 days.

Which disease is caused by the Epstein-Barr virus?
Mononucleosis.

Which organ is affected by jaundice?
Liver.

What is the main function of white blood cells?
To fight infections.

Which type of immunity is passed from mother to child?
Passive immunity.

Which disease affects the nervous system and is caused by a virus?
Polio.

What is the mode of transmission for the flu?
Airborne droplets from coughs or sneezes.

Which disease is caused by a fungal infection?
Ringworm.

What are autoimmune diseases?
Diseases where the immune system attacks the body's own cells.

Which mineral helps prevent anemia?
Iron.

What does a high white blood cell count usually indicate?
Infection or inflammation in the body.

What is an epidemic?
A disease outbreak that affects many people in a community at the same time.

Which system works closely with the immune system to remove waste and toxins?
Lymphatic system.

Which common childhood disease is prevented by the MMR vaccine?
Measles, Mumps, and Rubella.

Which part of the brain controls the immune response?
Hypothalamus.

What is the term for the process of immune system failure?
Immunodeficiency.

What is the major cause of peptic ulcers?
Helicobacter pylori bacteria.

Which organ is responsible for filtering blood and removing waste?
Kidneys.

Let me know if you’d like these converted into an interactive quiz or formatted for a worksheet!

Top Recommended Indian Books for Human Health and Disease MCQs

Trueman’s Elementary Biology Volume 2
Author: K.N. Bhatia & M.P. Tyagi
Publisher: Trueman Book Company
Content Type: This book offers well-structured MCQs after every chapter, focusing on NEET-level questions, concept clarity, and past exam patterns in human health and disease topics.

MTG Objective NCERT at Your Fingertips – Biology
Author: MTG Editorial Board
Publisher: MTG Learning Media
Content Type: Includes topic-wise MCQs directly based on NCERT, high-yield NEET questions, HOTS, and assertion-reason type questions on immunity, diseases, and vaccines.

Biology for NEET by Pradeep Publications
Author: P.S. Dhami, G. Chopra, H.N. Srivastava
Publisher: Pradeep Publications
Content Type: Covers detailed explanations, conceptual MCQs, and structured practice sets on human health, immunity, disorders, and infectious diseases.

GRB Objective Biology for NEET
Author: Dr. Ali
Publisher: G.R. Bathla Publications
Content Type: Rich in practice MCQs, match-the-column, true/false, and diagram-based questions with updated syllabus coverage on health and diseases.

NCERT Exemplar Biology – Class 12
Author: NCERT Experts
Publisher: National Council of Educational Research and Training
Content Type: Contains advanced-level MCQs and conceptual reasoning questions ideal for CBSE and NEET aspirants.

Dinesh Objective Biology – Volume 2
Author: K.S. Verma
Publisher: S. Dinesh & Co.
Content Type: A mix of factual and conceptual MCQs, including assertion-reason, fill-in-the-blanks, and diagram-based content for health and immunity topics.

Objective Biology Chapterwise MCQs for NEET
Author: Dr. R.K. Pillai
Publisher: Arihant Publications
Content Type: Offers a question bank of chapter-wise MCQs, with separate sets for practice, revision, and mock NEET preparation.

CBSE Chapterwise Biology MCQs with Solutions
Author: S. Bhattacharya
Publisher: Oswaal Books
Content Type: Exam-targeted MCQs focusing on Class 12 syllabus, NCERT-based patterns, and high-retention questions from the human health chapter.

Complete NEET Guide: Biology
Author: Dr. Ramesh Chand
Publisher: MTG Learning Media
Content Type: Comprehensive NEET-specific guide with chapter-wise MCQs, test papers, and concept-based health and disease problems.

Target NEET: Biology Chapterwise MCQs
Author: Hemant Roy
Publisher: Arihant Experts
Content Type: Packed with previous year questions and topic-wise practice for human health, immune response, and common diseases.

Biology MCQs: Concept Booster for NEET
Author: Alok Kumar
Publisher: Disha Publication
Content Type: Concept-strengthening MCQs, mixed question levels from basic to advanced, especially useful for disease and health chapters.

Foundation Biology for NEET Class 12
Author: Sanjay Sharma
Publisher: Pearson Education India
Content Type: Contains strong foundational questions ideal for students targeting NEET and competitive exams, covering the health and immunity module in depth.

Self Study Guide for NEET Biology
Author: Arihant Experts
Publisher: Arihant Publications
Content Type: Practice-focused book with conceptual MCQs, key notes, and previous years’ questions on health and disease.

New Millennium Biology – Class 12
Author: Rajiv Vijay
Publisher: Cordova Publications
Content Type: Focuses on textbook learning with short MCQs for practice, and application-based disease-related questions.

NEET Biology Masterclass
Author: Anurag Verma
Publisher: Target Publications
Content Type: Well-explained theory and question bank with MCQs aimed at testing conceptual clarity on immunity and diseases.

Human Health and Disease MCQ: Mastering the Science of Immunity and Wellness

Understanding human health and disease is essential for students preparing for medical entrance exams and anyone interested in how the body fights illness. Multiple-choice questions (MCQs) are a popular format in competitive exams like NEET, designed to evaluate both conceptual understanding and recall skills in a time-sensitive environment.

Human health and disease is a core chapter in Class 12 Biology and plays a crucial role in testing students’ grasp over immunity, infections, types of diseases, prevention strategies, and the body’s defense mechanisms. MCQs in this topic often range from simple one-liners to advanced application-based problems. These help reinforce memory, encourage critical thinking, and promote a deeper understanding of how the human body functions when exposed to harmful agents.

When preparing for this chapter, students should focus on key subtopics such as the structure and types of immunity—innate and acquired, the role of lymphoid organs, vaccines, allergies, autoimmunity, and common infectious diseases like malaria, typhoid, and AIDS. Each concept has the potential to form multiple MCQ formats including direct questions, match-the-following, assertion-reason, and case-based types.

Expert educators recommend students not just memorize facts but understand the “why” behind each answer. For example, why is a vaccine effective? How does passive immunity differ from active immunity? What is the significance of herd immunity in public health? These insights go beyond basic answers and create a foundation for lifelong learning in health sciences.

Practicing topic-wise MCQs also gives students a real sense of question trends. Repeated practice improves speed, reduces errors, and enhances confidence during exams. Using NCERT books as a base and supplementing with question banks from authors like MTG, Trueman, or Arihant can elevate preparation levels significantly.

Another important tip is to engage with diagrams and flowcharts while solving MCQs. Many questions are diagram-based, asking students to identify structures like antibodies, cells of the immune system, or pathogen cycles. Therefore, visual understanding plays a key role in this chapter.

Mock tests, chapter-wise quizzes, and previous year question papers serve as excellent tools to gauge preparation. They also help identify weak areas so that revision can be done with a targeted approach.

Human health and disease MCQs test not just theoretical knowledge but also real-world relevance. As pandemics and global health challenges rise, this chapter becomes more than academic—it teaches life-saving awareness.