Class 12 · Biology
Human Health and Disease
NEET questions.
Build recall through active solving with original NEET-style MCQs, worked explanations and chapter-level NCERT provenance.
250 verified questions · NCERT chapter mapped · automatic error log
BiologyPlate 92
NeetVellum atlas · fig. biology
92
Question preview
Three examples from the live 250-question bank. Answers appear after attempting them in practice mode.
Example 1 · difficulty 3/5
In a patient suffering from malaria caused by Plasmodium vivax, the parasite stage that directly invades the red blood corpuscles of the human host is:
- A. Merozoite liberated on rupture of infected liver cells
- B. Sporozoite injected during the mosquito bite
- C. Gametocyte circulating in the peripheral blood
- D. Trophozoite residing in the salivary gland of Anopheles
Example 2 · difficulty 2/5
Which of the following components of innate immunity in humans functions as a physiological barrier against pathogens?
- A. Keratinised skin covering the entire external body surface
- B. Neutrophils engulfing bacteria at the site of a wound
- C. Hydrochloric acid secreted in the stomach destroying ingested microbes
- D. Interferons secreted by virus-infected cells protecting neighbouring cells
Example 3 · difficulty 2/5
A man presents with massive swelling of his lower limbs due to chronic inflammation of the lymphatic vessels. The infective larvae of the causative worm reached him through the bite of:
- A. Female Anopheles mosquito
- B. Female Culex mosquito
- C. Female Aedes mosquito
- D. Water contaminated with parasitic cysts
The chapter mastery loop
- 1. Attempt firstExpose recall gaps before rereading.
- 2. Classify the missConcept, careless, rushed or guessed.
- 3. Re-practiceReturn until the error pattern disappears.
Frequently asked questions
How many Human Health and Disease NEET questions are available?
NeetVellum publishes 250 verified questions for this chapter. Free accounts use the daily UG quota; UG Pro removes it.
How should I revise Human Health and Disease for NEET?
Attempt questions before rereading, classify each miss, revisit the exposed NCERT concept, then re-practice until the error pattern disappears.