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Biology and Human Welfare Mock Test for Students

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Key MCQs in Biology and Human Welfare with Detailed Solutions

Mock Test: 20 Questions – 20 Minutes
Prepare yourself for NEET with 20 challenging questions from Biology And Human Welfare. You have exactly 20 minutes to complete this test. Each correct answer carries 4 marks and each wrong answer carries -1 mark (NEET marking scheme). Ready to begin?

Time Left: 20:00

Q1. Which organism is commonly used in the production of antibiotic penicillin?

Q2. Which disease is caused by the protozoan Plasmodium?

Q3. Which of the following is not an infectious disease?

Q4. The Bacillus Calmette-Guerin (BCG) vaccine is given for which disease?

Q5. Which vitamin deficiency causes night blindness?

Q6. What is the role of B-lymphocytes in humans?

Q7. Which one of the following is used as a biological control agent for mosquito larvae?

Q8. Which of the following is not a sexually transmitted disease (STD)?

Q9. Which of the following is a non-communicable disease?

Q10. Mycorrhiza is a symbiotic association between a fungus and which part of a plant?

Q11. Which agency in India is responsible for controlling communicable diseases?

Q12. HIV primarily attacks which cells in the human body?

Q13. Which one of the following vaccines provides protection against hepatitis B?

Q14. The study of community health and disease in a given population is called?

Q15. Typhoid fever is confirmed by which diagnostic test?

Q16. Which of the following can be transmitted through blood transfusion?

Q17. AIDS is caused by which type of pathogen?

Q18. Which of the following is a cancer-causing virus?

Q19. The first antibiotic discovered was?

Q20. Which of the following is an example of zoonotic disease?

Congratulations! You answered all questions correctly!

What is the Biology And Human Welfare Mock Test for NEET?

The Biology And Human Welfare mock test for NEET is a curated practice test designed to strengthen your understanding of key topics related to health, disease, microbes, immunology, and strategies for disease prevention. It closely follows the NEET syllabus, offering questions based on the latest NCERT curriculum and NEET exam pattern for 2026 aspirants.


This mock test helps students identify their strengths and weaknesses in Biology And Human Welfare. By practicing real exam-style MCQs on this topic, you improve your exam speed, accuracy, and are better prepared for the NEET Biology section.


How Biology And Human Welfare Mock Tests Help NEET Aspirants

Mock tests are crucial for NEET aspirants as they mirror the actual exam difficulty. Attempting Biology And Human Welfare mock tests helps you revise core NCERT concepts, understand the application of biological principles, and assess your readiness for the NEET exam.


Consistent practice improves problem-solving skills and reinforces memory of factual and conceptual knowledge. Completing time-bound mock tests helps you manage the real exam pressure efficiently.


To maximize your preparation, complement this mock test with structured NEET course page resources, revision notes, and previous year question papers.


Biology And Human Welfare Topic-wise Mock Test Coverage

SubjectTopics CoveredNo. of Questions
Biology Human Health & Diseases 4
Biology Immunity: Innate, Acquired, Vaccines 5
Biology Microbes in Human Welfare (Antibiotics, Vaccines) 5
Biology Diseases: Bacterial, Viral, Parasitic 4
Biology Strategies for Disease Prevention 2

How to Take the Biology And Human Welfare NEET Mock Test

Open this page and click on “Start the Mock Test” to begin. Answer all 20 multiple-choice questions within 20 minutes. Monitor the countdown timer; the test will auto-submit when the time runs out.


Once you click “Submit Test,” you’ll get your score instantly, with correct and incorrect answers highlighted. You can review your performance and retry the test for better practice.


Why Choose Vedantu's Biology And Human Welfare NEET Mock Test?

Vedantu’s Biology And Human Welfare mock tests are crafted by subject experts strictly as per NEET exam guidelines. The questions cover all vital NCERT subtopics and feature a variety of concept- and application-based MCQs, reflecting the latest NEET pattern.


Our mock tests provide instant evaluation, detailed answer highlights, and performance summaries. Practicing with them ensures you are familiar with exam trends, question types, and NEET-level marking schemes (+4, –1).


Join thousands of successful NEET toppers who trusted Vedantu’s practice tools to boost their scores. Stay confident, accurate, and time-efficient on the day of your exam!


NEET Mock Test – Subject-wise
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1NEET Notification
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5NEET Registration
6NEET Admit Card
7NEET Exam Centers
8NEET Exam Date
9NEET Answer Key
10NEET Results
11NEET Counselling

FAQs on Biology and Human Welfare Mock Test for Students

1. What is the role of biology in human welfare?

Biology plays a crucial role in human welfare by helping to improve health, food production, and environment. Key contributions include:

  • Development of new medicines and vaccines to combat diseases
  • Improved agricultural techniques to enhance food production
  • Conservation of natural resources for sustainable living
  • Understanding genetics for better healthcare
These advancements support human health, longevity, and the well-being of populations.

2. What are some common diseases associated with biological agents?

Biological agents can cause several infectious diseases in humans. Common examples include:

  • Typhoid and Tuberculosis caused by bacteria
  • Malaria and Amoebiasis caused by protozoa
  • Common cold and HIV/AIDS caused by viruses
These diseases can be prevented by vaccination, hygiene, and awareness.

3. How do antibiotics work in controlling diseases?

Antibiotics help control bacterial infections by hindering the growth or destroying bacteria. Their main functions are:

  • Targeting bacterial cell walls or protein synthesis
  • Preventing multiplication of harmful bacteria
  • Supporting the immune system to fight infections
However, they are ineffective against viral diseases and misuse can lead to resistance.

4. What is the significance of vaccination in human welfare?

Vaccination protects humans from infectious diseases by stimulating the immune system to develop resistance. Major benefits include:

  • Prevention of diseases like measles, polio, hepatitis
  • Reducing the risk of epidemics and outbreaks
  • Improving overall community health
Vaccines play a vital role in public health and disease eradication programs.

5. Name some important strategies for disease prevention and control.

Key strategies for disease prevention and control include:

  • Regular vaccination and immunization programs
  • Promotion of personal and community hygiene
  • Safe disposal of waste and clean water supply
  • Public health awareness and education
Effective implementation of these approaches minimizes disease transmission and enhances human well-being.

6. How are biological principles applied in agriculture for human welfare?

Biological principles improve agricultural productivity and sustainability through:

  • Green Revolution initiatives using high-yielding varieties
  • Biological pest control and organic farming
  • Use of biotechnology like GM crops
  • Improving soil fertility with biofertilizers
These advances ensure better food security and environmental conservation.

7. What is the meaning of public health and why is it important?

Public health refers to measures taken to protect and improve the health of communities. Its importance lies in:

  • Controlling the spread of infectious diseases
  • Ensuring safe drinking water and sanitation
  • Promoting vaccination and health education
  • Encouraging healthy lifestyle practices
Effective public health systems lead to healthier and more productive populations.

8. Explain the concept of immunity and its types.

Immunity is the body's ability to resist infections. It is classified into:

  • Innate immunity: Present from birth and provides general protection
  • Acquired (adaptive) immunity: Develops after exposure to pathogens or vaccination
  • Acquired immunity can be active (antibodies produced by body) or passive (antibodies received from outside)
This mechanism is essential for defense against diseases.

9. What is the difference between communicable and non-communicable diseases?

Communicable diseases spread from one person to another, while non-communicable diseases do not. Key differences:

  • Communicable: Caused by infectious agents (bacteria, viruses, fungi, parasites)
  • Non-communicable: Caused by genetic, environmental, or lifestyle factors (e.g., cancer, diabetes)
  • Prevention of communicable diseases relies on hygiene and vaccination; non-communicable diseases focus on lifestyle modification

10. What are the main contributions of biotechnology in improving human life?

Biotechnology has greatly improved human life by:

  • Developing genetically modified crops for better yield and nutrition
  • Producing essential medicines and vaccines
  • Enhancing disease diagnosis and gene therapy
  • Pollution control and environmental remediation
These advances contribute to health, food security, and environmental sustainability.

11. What are zoonotic diseases? Give examples.

Zoonotic diseases are infections transmitted between animals and humans. Examples include:

  • Rabies
  • Plague
  • Swine flu
  • COVID-19
Prevention involves vaccination, hygiene, and avoiding contact with infected animals.

12. How does food adulteration affect human health?

Food adulteration can harm human health by introducing toxic substances. Major effects include:

  • Chemical poisoning and allergies
  • Long-term diseases (liver, kidney issues)
  • Decreased nutritional value
Consuming unadulterated, safe food is crucial for good health and welfare.