2019 source guide · Biology

NEET 2019 Biology Questions

Use this page to connect the official 2019 paper with current Biology practice. NeetVellum does not claim a chapter appeared in that paper until the official question and final key have been mapped.

Original practice preview

These are current-syllabus NeetVellum questions, shown separately from historical-paper provenance.

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 evidence-first practice loop

  1. 1. Verify provenanceOfficial paper and final key before accepting a PYQ label.
  2. 2. Attempt closed-bookExpose the concept or execution gap before rereading.
  3. 3. Repair and returnClassify the miss and re-practice after a delay.

Canonical chapter practice

Frequently asked questions

Are these official NEET 2019 Biology PYQs?

No. The previews are original NeetVellum practice questions. A historical item receives a PYQ label only after its official paper and authoritative final answer key are attached. Use the official archive for the source paper.

How should I use the NEET 2019 paper?

Solve the official paper under its original timing, verify against the final key, classify every miss, and then use the linked current-syllabus practice bank to repair the exposed concept.

Built by NeetVellum · original practice, explicit provenance, no fabricated PYQ claims.
NEET 2019 Biology Questions · NeetVellum