2025 source guide · Biology

NEET 2025 Biology Chemical Coordination and Integration Questions

Use this page to connect the official 2025 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

endocrine glands, hormones, feedback and common endocrine disorders.

Original practice preview

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

Example 1 · difficulty 3/5

For a counting model, assign one unit to each distinct hormone listed from pars distalis, two units to the hormone from pars intermedia, and three units to each of the two hormones released from pars nervosa. What is the total score?

A. 9 units
B. 10 units
C. 12 units
D. 14 units

Example 2 · difficulty 2/5

A pituitary signal selectively increases secretion of glucocorticoids from the adrenal cortex. Which signal is responsible?

A. Adrenocorticotrophic hormone
B. Growth hormone
C. Oxytocin
D. Melanocyte-stimulating hormone

Example 3 · difficulty 3/5

Which statement correctly compares the actions of pituitary gonadotropins in a human female?

A. FSH causes milk ejection, whereas LH promotes mammary gland growth
B. FSH supports ovarian follicle growth, whereas LH induces ovulation and formation of the corpus luteum
C. FSH stimulates glucocorticoid release, whereas LH stimulates thyroid hormone release
D. FSH produces skin pigmentation, whereas LH increases renal water reabsorption

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

Chemical Coordination and Integration →

Frequently asked questions

Are these official NEET 2025 Biology Chemical Coordination and Integration 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 2025 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.