Home » Human Health and Diseases Class 12 Biology MCQ With Solutions

Human Health and Diseases Class 12 Biology MCQ With Solutions

Update on: 02 Feb 2024, 03:13 PM

Human Health and Diseases Class 12 Biology MCQ with Answers has been organized according to the latest exam pattern in the CBSE Class 12 Biology syllabus for the upcoming CBSE Class 12 Biology Exam. Human Health and Diseases covers topics like common diseases in humans, immunity, immunodeficiency diseases, cancer adolescence: Drug and alcohol abuse, These questions are designed to help students understand the concept thoroughly. They are helpful for revision and for grasping the concepts effectively. These MCQ questions cover in-text book questions and important topics to help students assess their preparation level for CBSE board exams.

Recent – Molecular Basis of Inheritance Class 12 Biology MCQ With Solutions

CBSE Class 12 Chapter 7 Human Health and Diseases MCQs

Check below the  CBSE Class 12 Biology MCQ with answers and Clear your idea of Chapter 7 Human Health and Diseases.

Q.1. Schick test is confirmatory test for

(a) diphtheria (b) syphilis
(c) leprosy (d) scarlet fever.

Answer
(a): Schick test is a method for determining susceptibility to diphtheria.

Check Out – 11 Most Important Graphics of NCERT Class 12th Biology That You Cannot Miss

Q.2. Injectable polio vaccine was discovered by

(a) Jonas Salk (b) Robert Koch
(c) M. Theiler (d) Louis Pasteur.

Answer
(c): Jonas Salk developed the first safe and effective injectable vaccine for polio (Salk vaccine)

 

Practice More – CBSE Sample Paper Class 12 for 2023-24 Boards | FREE PDF from MTG

Q.3. Fear of water is the most important characteristic symptom of

(a) polio (b) rabies
(c) tetanus (d) chikungunya.

Answer

(b)

 

Q.4. Which of the following is often referred to as break bone fever?

(a) Hepatitis (b) Rhinitis
(c) Dengue (d) Kala azar

Answer
(c): Dengue fever is an acute illness with sudden onset of fever, followed by development of generalised symptoms. It is also known as ‘breakbone fever’ because of severe pain in muscle, joint and bone.

 

Q.5. All are bacterial diseases except

(a) gonorrhoea (b) anthrax
(c) swine flu (d) whooping cough.

Answer
(c): Swine flu or swine influenza is a respiratory disease caused by influenza viruses (H1N1).

 

Q.6. Lock jaw disease is caused by

(a) Yersinia pestis (b) Clostridium tetani
(c) Bacillus anthracis (d) none of these.

Answer
(b): The bubonic plague is caued by the bacteria Yersinia pestis. Anthrax is a serious infectious disease caused by rod- shaped bacteria Bacillus anthracis.

 

Q.7. The infectious stage of Plasmodium that enters the human body is

(a) trophozoites (b) sporozoites
(c) female gametocytes (d) male gametocytes.

Answer
(b): Plasmodium enters the human body as sporozoites (infectious form) through the bite of an infected female Anopheles mosquito.

 

Q.8. Which of the following is produced by natural killer cells which causes cellular destruction?

(a) Interferons b) Perforins
(c) Lysozyme (d) Pyrogen

Answer
(b)

 

Q.9. Hapten is a

(a) complete antigen (b) self antigen
(c) partial antigen (d) none of these.

Answer
(c): Haptens (partial antigens) are substances which are incapable of inducing antibody formation by themselves, but can induce antibody on combining with larger molecules which serve as carriers.

 

Q.10. Which of the following antibody exists as pentamer?

(a) IgA (b) IgD
(c) IgG (d) IgM Fossilisation is

Answer
(d): Antibody IgA exists as a dimer, IgD, IgE and IgG as monomers and IgM as a pentamer.

 

We hope the MCQs for the CBSE Class 12 Biology Chapter 7 on  Human Health and Diseases are helpful for your board exam preparation.

Keep learning and stay updated with us for more CBSE exam updates.


 

Leave a Reply

Your email address will not be published. Required fields are marked *

Update on: 26 Jun 2025, 05:13 PM

Highlights 💡 Two Board Exam Attempts: Students get two board exam attempts in the same academic year — Feb 17 to Mar 6 (main) and May 5 to 21 (improvement). 💡 Improve Up to Three Subjects: Both attempts cover the full syllabus, and students can…...

Update on: 24 Jun 2025, 02:10 PM

Highlights 💡 70% of students find traditional grammar lessons tedious; games offer an engaging solution. 💡 Relay Races, Sentence Surgery, and Auctions combine competition with grammar practice. 💡 Role-Play Scenarios boost confidence for real-life English conversations. 💡 "Who Am I?" game enhances critical thinking and…...

Update on: 23 Jun 2025, 12:25 PM

Highlights 💡 Early Start Advantage: Competitive exams like JEE, NEET, NTSE, CUET, and Olympiads test concept application, not memorisation—building basics from Class 6 ensures long-term success. 💡 Smart Study Rhythm: Just 1–2 hours of daily study, using flexible techniques like flashcards, voice notes, and interactive…...

Update on: 15 Jun 2025, 10:37 AM

Class 10 maths MCQ practice can be the difference between a good score and a stellar one. Struggling to grasp abstract concepts or feeling overwhelmed by multiple exam formats? You’re not alone. Thousands of students find it challenging to juggle board exams, competitive tests, and…...

Update on: 11 Jun 2025, 12:18 PM

  There’s something about Mathematics, isn’t there? In this subject, success isn’t about talent, it’s about understanding every concept deeply and putting in the hard work to plan your next move perfectly. If you’re here, I’m guessing the numbers are still having all the fun…...

Update on: 10 Jun 2025, 04:50 PM

With immense pleasure and gratitude, we are sharing that our NEET/ JEE best seller, Objective NCERT at Your Fingertips, has been revised with a new edition for the students of NEET/ JEE/ CBSE for the new session 2025-2026. NCERT Textbooks are the foundation of every competitive…...

Update on: 10 Jun 2025, 01:51 PM

You can find multiple-choice questions (MCQs) for Class 9 Science Chapter 8 Force and Laws of Motion with answers below. These MCQs are specifically designed for students studying in Class 9 and follow the CBSE board curriculum. They align with the latest syllabus provided for…...

Update on: 05 Jun 2025, 05:25 PM

Here you can find multiple-choice questions (MCQs) for Class 9 science Chapter 5 The Fundamental Unit of Life along with answers. These MCQs are specifically designed for students studying in Class 9 and follow the CBSE board curriculum. They align with the latest syllabus provided…...

Update on: 30 May 2025, 12:01 PM

Struggling to remember long lists of biological terms? Going through something similar to this situation, like you're drowning in “Ace your NEET” books before the D-day? You need to understand that you’re not alone in this messy situation, but there’s a better way to tackle…...

Update on: 13 May 2025, 05:32 PM

Just a few days back, CBSE announced Class 10 and Class 12 board exam results on May 13, 2025. Approximately 42 lakh students appeared for the exams which is more than last year. For many, it was a moment of joy, but for some, the…...