2021 source guide · Biology

NEET 2021 Biology Reproduction Questions

Use this page to connect the official 2021 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.

Practice 318 verified questions →Check official NTA archive ↗

What to master

plant sexual reproduction, human reproduction and reproductive health.

Original practice preview

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

Example 1 · difficulty 2/5

Following an episode of casual unprotected intercourse, a woman consults a physician for emergency contraception. Which measure could be appropriately advised if adopted promptly?

A. Insertion of a diaphragm within one week of the event
B. Starting a weekly course of Saheli tablets a month later
C. Immediate vasectomy of the male partner
D. Administration of progestogens or a progestogen–estrogen combination, or insertion of an IUD, within 72 hours

Example 2 · difficulty 1/5

Which layer of the anther wall is chiefly responsible for providing nourishment to the developing pollen grains?

A. Epidermis
B. Tapetum
C. Endothecium
D. Middle layers

Example 3 · difficulty 2/5

A typical mature angiosperm embryo sac (Polygonum type) at the time of fertilization contains:

A. 8 cells and 8 nuclei
B. 7 cells and 7 nuclei
C. 8 cells and 7 nuclei
D. 7 cells and 8 nuclei

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

Sexual Reproduction in Flowering Plants →Human Reproduction →Reproductive Health →

Frequently asked questions

Are these official NEET 2021 Biology Reproduction 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 2021 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.