NEET UG 2021 · Zoology · Question 194
NEET 2021 Zoology, question 194
Question 194 of the NEET 2021 paper (code O1) is a Zoology question from Locomotion and Movement. Its idea, Specific Band Changes During Contraction, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 3.
Updated 2026-10-08
Q194 · Zoology
During muscular contraction which of the following events occur ?
(a) 'H' zone disappears
(b) 'A' band widens
(c) 'I' band reduces in width
(d) Myosine hydrolyzes ATP, releasing the ADP and Pi
(e) Z-lines attached to actins are pulled inwards
Choose the correct answer from the options given below.
- 1(b), (c), (d), (e) only
- 2(b), (d), (e), (a) only
- 3(a), (c), (d), (e) onlyOfficial answer
- 4(a), (b), (c), (d) only
Official answer: option 3 · NTA final answer key
Same idea
The only question on Specific Band Changes During Contraction
No other NEET paper from 2017–2026 tested this exact idea.
Specific Band Changes During Contraction: every question and how it was framed
The chapter
Locomotion and Movement in ten years of NEET
19 questions from 2017–2026, asked in 9 of 10 papers, about 1.8 a paper. Sliding Filament Theory alone had 4.