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Monday, 5 October

NEET UG · Biology · Cell: The Unit of Life

Mitochondria and Plastids: NEET previous year questions

9 questions in ten years of NEET, in 5 of 10 papers. Pattern: Every year. Here is how it is asked and which ideas come back.

Asked in 10 years
9
about 0.9 per paper
Years asked
5/10
last asked 2026
Chance of a question next paper
64%
historical rate, how we compute it
Weighted estimate
1.1
model; history: 0.9 a paper on average, typically 0–2

Key findings

  1. 01

    Asked in 5 of 10 papers, 9 questions in all: #85 of 204 topics by ten-year total. It comes back every 2.2 years on average.

  2. 02

    100% of its questions since 2018 tested an idea never asked before; none repeated an idea from the year before.

  3. 03

    The most repeated idea is Mitochondrial Inner Structure, asked 2 times (2026), usually as “identify composition of a structure”.

  4. 04

    NEET has asked 8 of the 84 ideas in this topic; 62 have never been asked, directly or indirectly.

  5. 05

    Mostly asked as one-line MCQ (67%); 44% easy, 0% hard, and up from 0.6 to 1.6 questions a paper since 2024.

Questions per year

0241’170’182’190’201’210’220’232’240’253’26
Up to 2023
0.6
per paper
Since 2024
1.6
+1.1
Usual gap
2.2 yrs
between papers asking it
Swing
±1.0
questions, year to year

Revise first

Mitochondrial Inner Structure (2026); Chromoplast Pigment Composition (2026); Chloroplast DNA Characteristics (2024)

How it is asked

Difficulty, format and skill

Across all 9 questions on Mitochondria and Plastids since 2017.

Difficulty

QUESTIONS
45
  • Easy4 · 44%
  • Medium5 · 56%
  • Hard0 · 0%

Format

SHARE
  • One-line MCQ · 6 Q67%
  • Match the lists · 2 Q22%
  • Two statements · 1 Q11%

Skill tested

SHARE
  • Recall · 8 Q89%
  • Concept · 1 Q11%

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.

1
2
1
2
3
’17’18’19’20’21’22’23’24’25’26
  • Idea asked for the first time
  • Idea asked in an earlier paper

Coverage of the topic

NEET has asked 8 of the 84 ideas in this topic. 62 have never been asked yet.

81462
  • Asked directly8 · 10%
  • Touched inside another question14 · 17%
  • Never asked62 · 74%

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.

  • 2 · 22%2
    • 2026 · Q96
      Mitochondrial inner membrane encloses ________.

      easyOne-line MCQNew idea

    • 2026 · Q97
      Match List-I with List-II. List-I | List-II A. Cristae | I. Flat membrane sacs in stroma of chloroplast B. Cisternae | II. Infoldings in…

      mediumMatch the listsNew idea

  • 1 · 11%
  • 1 · 11%
  • 1 · 11%
  • 1 · 11%
  • 1 · 11%
  • 1 · 11%
  • 1 · 11%

Squares are the ten papers, 2017 to 2026; darker means more questions. Share is of the level above.

Ideas

Every idea inside this topic

8 different ideas were tested; 1 came more than once. Mitochondrial Inner Structure is the foundation for 40 other ideas in the syllabus.

  • Mitochondrial Inner Structure2×

    identify composition of a structure

    Match the lists · 11% next · foundation for 40
  • Chromoplast Pigment Composition1×

    identify example of a plastid type

    One-line MCQ · 6% next
  • Chloroplast DNA Characteristics1×

    identify nature of organelle dna

    One-line MCQ · 6% next
  • Double-Membrane Organelle Grouping1×

    statement i/ii on organelle membranes

    Two statements · 6% next
  • Cristae Surface Area Maximization1×

    match list on cell structures

    Match the lists · 4% next
  • Mitochondrial Enzyme Compartmentalization1×

    incorrect statement selection on mitochondria

    One-line MCQ · 4% next · foundation for 1
  • Semiautonomous Nature1×

    identify organelles lacking a feature

    One-line MCQ · 4% next · foundation for 18
  • Energy Transformation Role1×

    identify organelle by function

    One-line MCQ · 4% next · foundation for 4

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

Mitochondria and Plastids questions, year by year

The opening words of each question as it appeared in the official paper, with the idea it tested.

NEET 20263 questions

  • Q96
    Mitochondrial inner membrane encloses ________.

    Idea: Mitochondrial Inner Structure

    New ideaEasyOne-line MCQ
  • Q97
    Match List-I with List-II. List-I | List-II A. Cristae | I. Flat membrane sacs in stroma of chloroplast B. Cisternae | II. Infoldings in…

    Idea: Mitochondrial Inner Structure

    New ideaMediumMatch the lists
  • Q98
    The plastid that stores xanthophyll is known as ________ .

    Idea: Chromoplast Pigment Composition

    New ideaMediumOne-line MCQ

NEET 20242 questions

  • Q145
    The DNA present in chloroplast is:

    Idea: Chloroplast DNA Characteristics

    New ideaEasyOne-line MCQ
  • Q186
    Given below are two statements: Statement I: Mitochondria and chloroplasts are both double membrane bound organelles. Statement II: Inner…

    Idea: Double-Membrane Organelle Grouping

    New ideaMediumTwo statements

NEET 20211 question

  • Q133
    Match List - I with List - II. List - I | List - II (a) Cristae | (i) Primary constriction in chromosome (b) Thylakoids | (ii) Disc-shaped…

    Idea: Cristae Surface Area Maximization

    New ideaEasyMatch the lists

NEET 20192 questions

  • Q119
    Which of the following pair of organelles does not contain DNA ?

    Idea: Semiautonomous Nature

    New ideaMediumOne-line MCQ
  • Q133
    Which of the following statements regarding mitochondria is incorrect ?

    Idea: Mitochondrial Enzyme Compartmentalization

    New ideaMediumOne-line MCQ

NEET 20171 question

  • Q114
    Which of the following cell organelles is responsible for extracting energy from carbohydrates to form ATP ?

    Idea: Energy Transformation Role

    EasyOne-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.