NEET UG 2017 · Zoology · Question 157
NEET 2017 Zoology, question 157
Question 157 of the NEET 2017 paper (code A) is a Zoology question from Excretory Products and their Elimination. Its idea, Ascending Limb Permeability, was asked only this once in NEET 2017–2026. The CBSE official answer key gives option 1.
Updated 2026-10-08
Q157 · Zoology
Which of the following statements is correct ?
- 1The ascending limb of loop of Henle is impermeable to water.Official answer
- 2The descending limb of loop of Henle is impermeable to water.
- 3The ascending limb of loop of Henle is permeable to water.
- 4The descending limb of loop of Henle is permeable to electrolytes.
Official answer: option 1 · CBSE official answer key
Same idea
The only question on Ascending Limb Permeability
No other NEET paper from 2017–2026 tested this exact idea.
Ascending Limb Permeability: every question and how it was framed
The chapter
Excretory Products and their Elimination in ten years of NEET
16 questions from 2017–2026, asked in 9 of 10 papers, about 1.5 a paper. Urine Formation alone had 13.