2023 source guide · Biology

NEET 2023 Biology Photosynthesis 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.

Practice 100 verified questions →Check official NTA archive ↗

What to master

pigments, light reactions, carbon fixation, photorespiration and limiting factors.

Original practice preview

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

Example 1 · difficulty 2/5

What does the term thylakoid lumen denote?

A. The cytoplasmic region immediately outside the chloroplast
B. The enzyme-rich matrix surrounding all grana
C. The internal space enclosed by a thylakoid membrane
D. The gap between the two chloroplast envelope membranes

Example 2 · difficulty 2/5

A micrograph shows several stacks of flattened membranes joined by unstacked membranes within a chloroplast. How should these structures be identified?

A. The stacks are cristae and the connectors are matrix strands.
B. The stacks are starch grains and the connectors are envelope pores.
C. The stacks are stromata and the connectors are thylakoid lumina.
D. The stacks are grana and the connectors are stroma lamellae.

Example 3 · difficulty 1/5

Which pigment acts as the chief pigment associated with the reaction centres of photosynthesis in higher plants?

A. Chlorophyll a
B. Chlorophyll b
C. Xanthophyll
D. Carotene

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

Photosynthesis in Higher Plants →

Frequently asked questions

Are these official NEET 2023 Biology Photosynthesis 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.