2024 source guide · Biology

NEET 2024 Biology Human Physiology Questions

Connect the official 2024 paper with current Biology practice without labelling original previews as PYQs.

Practice 1150 verified questions →Check official NTA archive ↗

1150 original questions · explicit provenance labels

BiologyPlate 81

NeetVellum atlas · fig. biology

What to master

integrated respiratory, circulatory, excretory, neural, endocrine and movement physiology.

Original practice preview

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

Example 1 · difficulty 2/5

The glomerular filtration rate in a healthy adult is about 125 mL min⁻¹. The total volume of filtrate formed by the two kidneys in 24 hours, and the approximate fraction of it reabsorbed by the renal tubules, are respectively:

A. 180 L and about 99%
B. 180 L and about 70-80%
C. 125 L and about 99%
D. 1.8 L and about 1%

Example 2 · difficulty 3/5

During the operation of the counter current mechanism in the human kidney, the descending limb of the loop of Henle:

A. is impermeable to water but actively transports NaCl into the medullary interstitium
B. is permeable to water but almost impermeable to electrolytes
C. is permeable to water and actively reabsorbs NaCl along its entire length
D. is impermeable to both water and electrolytes, so the filtrate flows through unchanged

Example 3 · difficulty 2/5

In the juxtaglomerular apparatus, the macula densa is formed by the cells of the:

A. afferent arteriole that secrete renin
B. efferent arteriole in contact with the distal convoluted tubule
C. visceral layer of Bowman's capsule bearing podocytes
D. distal convoluted tubule where it passes close to the afferent arteriole

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

Breathing and Exchange of Gases →Body Fluids and Circulation →Excretory Products and their Elimination →Locomotion and Movement →Neural Control and Coordination →Chemical Coordination and Integration →

Frequently asked questions

Are these official NEET 2024 Biology Human Physiology 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 2024 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.