2023 source guide · Biology

NEET 2023 Biology Respiration in Plants 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

glycolysis, fermentation, aerobic respiration, respiratory balance and amphibolic pathways.

Original practice preview

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

Example 1 · difficulty 3/5

During which glycolytic conversion is NAD⁺ reduced to NADH + H⁺?

A. Glucose to glucose-6-phosphate
B. Phosphoglyceraldehyde to 1,3-bisphosphoglycerate
C. 3-phosphoglycerate to 2-phosphoglycerate
D. Phosphoenolpyruvate to pyruvate

Example 2 · difficulty 2/5

What is meant by substrate-level phosphorylation in glycolysis?

A. ATP is made only after electrons pass to oxygen
B. A phosphate is added to glucose using ATP
C. ATP is formed by direct transfer of phosphate from a phosphorylated intermediate to ADP
D. ADP is phosphorylated using light absorbed by chlorophyll

Example 3 · difficulty 3/5

Which pair of glycolytic conversions directly produces ATP?

A. Glucose to glucose-6-phosphate and glucose-6-phosphate to fructose-6-phosphate
B. Fructose-6-phosphate to fructose-1,6-bisphosphate and phosphoglyceraldehyde to 1,3-bisphosphoglycerate
C. Fructose-1,6-bisphosphate to triose phosphates and 2-phosphoglycerate to phosphoenolpyruvate
D. 1,3-bisphosphoglycerate to 3-phosphoglycerate and phosphoenolpyruvate to pyruvate

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

Respiration in Plants →

Frequently asked questions

Are these official NEET 2023 Biology Respiration in Plants 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.