NEET UG · Biology · Locomotion and Movement
Sliding Filament Theory: NEET previous year questions
4 questions in ten years of NEET, in 4 of 10 papers. Pattern: Most years. Here is how it is asked and which ideas come back.
- Asked in 10 years
- 4
- about 0.4 per paper
- Years asked
- 4/10
- last asked 2026
- Weighted estimate
- 0.4
- model; history: 0.4 a paper on average, typically 0–1
Key findings
- 01
Asked in 4 of 10 papers, 4 questions in all: #164 of 204 topics by ten-year total. It comes back every 2.7 years on average.
- 02
100% of its questions since 2018 tested an idea never asked before; none repeated an idea from the year before.
- 03
No idea in this topic has been asked twice: every question tested something new.
- 04
NEET has asked 4 of the 86 ideas in this topic; 76 have never been asked, directly or indirectly.
- 05
Mostly asked as one-line MCQ (50%); 50% easy, 0% hard.
Questions per year
- Up to 2023
- 0.4
- per paper
- Since 2024
- 0.3
- -0.1
- Usual gap
- 2.7 yrs
- between papers asking it
- Swing
- ±0.5
- questions, year to year
How it is asked
Difficulty, format and skill
Across all 4 questions on Sliding Filament Theory since 2017.
Difficulty
QUESTIONS- Easy2 · 50%
- Medium2 · 50%
- Hard0 · 0%
Format
SHARE- One-line MCQ · 2 Q50%
- Other · 2 Q50%
Skill tested
SHARE- Recall · 2 Q50%
- Concept · 2 Q50%
Repeats
New idea, or one asked before?
Each column is a paper. Blue questions tested an idea NEET had not asked before; navy ones went back to an idea from an earlier paper. 2017 is the first paper, so everything in it counts as new.
- Idea asked for the first time
- Idea asked in an earlier paper
Coverage of the topic
NEET has asked 4 of the 86 ideas in this topic. 76 have never been asked yet.
- Asked directly4 · 5%
- Touched inside another question6 · 7%
- Never asked76 · 88%
Ideas come from Lumi’s syllabus map of NCERT. A never-asked idea is not a safe skip: most new questions come from exactly these.
Drill down
Idea, year, question
Every idea NEET tested in this topic, with its ten papers. Open one to read the questions.
- 1 · 25%
- 2026 · Q152Muscle contraction is initiated by a signal sent by the central nervous system by the release of
easyOne-line MCQNew idea
- 2026 · Q152
- 1 · 25%
- 1 · 25%
- 1 · 25%
Squares are the ten papers, 2017 to 2026; darker means more questions. Share is of the level above.
Ideas
Every idea inside this topic
4 different ideas were tested; none came more than once. Role of Calcium Ions is the foundation for 15 other ideas in the syllabus.
- Acetylcholine in Muscle Contraction1×
identify neurotransmitter for an effect
One-line MCQ · 6% next · foundation for 4 - Fascia and Fascicles1×
count correct statements on skeletal muscle
Other · 4% next - Specific Band Changes During Contraction1×
true statement selection on muscle contraction
Other · 4% next - Role of Calcium Ions1×
true statement selection on muscle contraction
One-line MCQ · 4% next · foundation for 15
Chance next is the historical rate at which an idea with this record came back in the following paper. It is low for every idea, which is why learning the topic beats memorising past questions. All repeated ideas
Every question
Sliding Filament Theory questions, year by year
The opening words of each question as it appeared in the official paper, with the idea it tested.
NEET 20261 question
- Q152Muscle contraction is initiated by a signal sent by the central nervous system by the release of
Idea: Acetylcholine in Muscle Contraction
New ideaEasyOne-line MCQ
NEET 20231 question
- Q200Which of the following statements are correct regarding skeletal muscle? A. Muscle bundles are held together by collagenous connective…
Idea: Fascia and Fascicles
New ideaMediumOther
NEET 20211 question
- Q194During muscular contraction which of the following events occur ? (a) 'H' zone disappears (b) 'A' band widens (c) 'I' band reduces in…
Idea: Specific Band Changes During Contraction
New ideaMediumOther
NEET 20181 question
- Q168Calcium is important in skeletal muscle contraction because it
Idea: Role of Calcium Ions
New ideaEasyOne-line MCQ
Questions from the official NEET UG papers published by NTA (CBSE before 2019). Topic and idea tags, counts and notes are Lumi’s.