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NEET Biology: Human Health and Diseases. Chapter-wise Practice Questions and Test

Human Health and Diseases is a Class 12 Biology chapter that carries about 3.5% of the Biology questions in NEET. Practise it with 54 questions covering 3 topics, each with an explanation.

Practise Human Health and Diseases

Sets of 15 questions that adapt to your level, with an explanation for every answer.

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Topics covered in Human Health and Diseases

How often Human Health and Diseases has come up in NEET

Across the 13 previous year papers, Human Health and Diseases had 47 questions, about 3.6 a year. The most in one paper was 9, in NEET 2023.

PaperQuestions from this chapter
NEET 20262
NEET 20256
NEET 20245
NEET 20239
NEET 20222
NEET 20212
NEET 20203
NEET 20194
NEET 20183
NEET 20172
NEET 20164
Re-AIPMT 20153
AIPMT 20142

Sample questions on Human Health and Diseases with answers

8 questions from the practice bank, spread across the chapter's topics. The full set is in the app.

Question 1: Cancer and Its Detection

Anabolic steroids used by sportspersons can cause in males:

  1. A acne, aggressiveness, mood swings, and reduction of the size of the testicles
  2. B a rise in immunity
  3. C increased height
  4. D better memory

Answer: A. acne, aggressiveness, mood swings, and reduction of the size of the testicles

Why: In females they cause masculinisation.

Question 2: Common Communicable Diseases

Malaria is caused by which type of pathogen?

  1. A a bacterium
  2. B a virus
  3. C a protozoan (Plasmodium)
  4. D a fungus

Answer: C. a protozoan (Plasmodium)

Why: Malaria is caused by the protozoan parasite Plasmodium, transmitted by the female Anopheles mosquito.

Question 3: Immunity and Vaccination

An antibody (immunoglobulin) molecule consists of:

  1. A three chains
  2. B one polypeptide chain
  3. C eight light chains
  4. D four polypeptide chains: two light and two heavy

Answer: D. four polypeptide chains: two light and two heavy

Why: It is represented as H₂L₂.

Question 4: Cancer and Its Detection

Coca alkaloid, or cocaine, is obtained from:

  1. A Cannabis
  2. B Papaver somniferum
  3. C Atropa belladonna
  4. D Erythroxylum coca, and it interferes with the transport of the neurotransmitter dopamine

Answer: D. Erythroxylum coca, and it interferes with the transport of the neurotransmitter dopamine

Why: It is a potent stimulant of the central nervous system.

Question 5: Common Communicable Diseases

The test commonly used to detect HIV infection in a patient is:

  1. A Rapid plate test only
  2. B Mantoux test
  3. C Widal test
  4. D ELISA

Answer: D. ELISA

Why: ELISA detects antibodies against HIV; Widal is for typhoid.

Question 6: Immunity and Vaccination

Active immunity is acquired when:

  1. A ready-made antibodies are injected into the body
  2. B the body produces its own antibodies in response to an antigen
  3. C antibodies are passed from mother to fetus only
  4. D no immune response occurs

Answer: B. the body produces its own antibodies in response to an antigen

Why: Active immunity develops when the body's own immune system produces antibodies in response to exposure to an antigen (via infection or vaccination), often providing long-lasting protection.

Question 7: Cancer and Its Detection

The use of drugs or alcohol by adolescents is influenced by:

  1. A good family support only
  2. B curiosity, the need for adventure, stress and peer pressure
  3. C education only
  4. D religious teaching

Answer: B. curiosity, the need for adventure, stress and peer pressure

Why: Education and counselling help in prevention.

Question 8: Common Communicable Diseases

Elephantiasis (filariasis) in humans is caused by:

  1. A a virus
  2. B thread-like filarial worms transmitted by mosquito bite
  3. C a protozoan parasite
  4. D a bacterium

Answer: B. thread-like filarial worms transmitted by mosquito bite

Why: Filarial worms such as Wuchereria transmitted by Culex mosquitoes lodge in the lymphatic vessels, causing chronic inflammation and gross swelling of the limbs.

Practise all of Human Health and Diseases
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Frequently asked questions

How many questions come from Human Health and Diseases in NEET?

Human Health and Diseases carries about 3.5% of the Biology questions in NEET. Across the 13 previous year papers on NeetVictory it appeared 47 times, about 3.6 questions a year.

Which class is Human Health and Diseases from?

Human Health and Diseases is a Class 12 Biology chapter in the NCERT syllabus.

Where can I practise Human Health and Diseases questions for NEET?

NeetVictory has 54 practice questions on Human Health and Diseases, each with an explanation, in sets of 15 that adapt to your level. This page shows a free sample.

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