Example 1 · difficulty 2/5
Thorns of Bougainvillea and tendrils of Cucurbita are homologous because both are modifications of:
- A. roots
- B. leaves in both cases
- C. flowers
- D. the stem/axillary bud system
2023 source guide · Biology
NEET 2023 Biology Evolution Questions
Use this page to connect the official 2023 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.
What to master
evidence, mechanisms, population genetics, speciation and human evolution.
Original practice preview
These are current-syllabus NeetVellum questions, shown separately from historical-paper provenance.
Example 2 · difficulty 2/5
Vertebrate hearts and brains show homologous organisation that supports:
- A. common ancestry
- B. independent creation of every species
- C. convergence without inheritance
- D. absence of variation
Example 3 · difficulty 1/5
Analogous organs have:
- A. common origin but different functions
- B. similar functions but different origin and structure
- C. identical genes in every respect
- D. no function
The evidence-first practice loop
- 1. Verify provenanceOfficial paper and final key before accepting a PYQ label.
- 2. Attempt closed-bookExpose the concept or execution gap before rereading.
- 3. Repair and returnClassify the miss and re-practice after a delay.
Canonical chapter practice
Frequently asked questions
Are these official NEET 2023 Biology Evolution 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 2023 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.