NEET UG · Biology · Morphology of Flowering Plants

Root Morphology: NEET previous year questions

5 questions in ten years of NEET, in 3 of 10 papers. Pattern: Due again. Here is how it is asked and which ideas come back.

Asked in 10 years: 5; about 0.5 per paper
Years asked: 3/10; last asked 2020
Chance of a question next paper: 30%; historical rate, how we compute it
Weighted estimate: 0.2; model; history: 0.5 a paper on average, typically 0–2

Key findings

01
Asked in 3 of 10 papers, 5 questions in all: #154 of 204 topics by ten-year total. It comes back every 1.5 years on average. Last asked in 2020.
02
67% of its questions since 2018 tested an idea never asked before; 1 repeated an idea from the year before.
03
The most repeated idea is Respiratory Roots (Pneumatophores), asked 2 times (2017, 2018), usually as “identify plant group with a structure”.
04
NEET has asked 4 of the 85 ideas in this topic; 78 have never been asked, directly or indirectly.
05
Mostly asked as one-line MCQ (100%); 100% easy, 0% hard, and down from 0.7 to 0.0 questions a paper since 2024.

Questions per year

Up to 2023: 0.7; per paper
Since 2024: 0.0; -0.7
Usual gap: 1.5 yrs; between papers asking it
Swing: ±0.8; questions, year to year

How it is asked

Difficulty, format and skill

Across all 5 questions on Root Morphology since 2017.

Difficulty

QUESTIONS

Easy5 · 100%
Medium0 · 0%
Hard0 · 0%

Format

One-line MCQ · 5 Q100%

Skill tested

Recall · 5 Q100%

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.

’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 4 of the 85 ideas in this topic. 78 have never been asked yet.

Asked directly4 · 5%
Touched inside another question3 · 4%
Never asked78 · 92%

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.

ideaAskedShareYears’17’18’19’20’21’22’23’24’25’26

Repeated2 · 40%40%2/10
- 2018 · Q126
  Pneumatophores occur in
  easyOne-line MCQAsked the year before
- 2017 · Q120
  Plants which produce characteristic pneumatophores and show vivipary belong to :
  easyOne-line MCQNew idea
1 · 20%20%1/10
1 · 20%20%1/10
1 · 20%20%1/10

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; 1 came more than once. Root Modifications for Storage is the foundation for 18 other ideas in the syllabus.

Respiratory Roots (Pneumatophores)2×
identify plant group with a structure
One-line MCQ · 4% next · foundation for 3
Fibrous Root Origin in Monocots1×
identify root type by origin
One-line MCQ · 4% next · foundation for 1
Root Modifications for Storage1×
identify plant organ modification
One-line MCQ · 4% next · foundation for 18
Exclusive Zone of Absorption1×
identify region of a structure
One-line MCQ · 4% next

Idea	Times	Format	Chance next	Foundation for
Respiratory Roots (Pneumatophores)identify plant group with a structure	2	One-line MCQRecall	4%	3 ideas
Fibrous Root Origin in Monocotsidentify root type by origin	1	One-line MCQRecall	4%	1 ideas
Root Modifications for Storageidentify plant organ modification	1	One-line MCQRecall	4%	18 ideas
Exclusive Zone of Absorptionidentify region of a structure	1	One-line MCQRecall	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

Root Morphology questions, year by year

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

NEET 20201 question

Q3
The roots that originate from the base of the stem are :
Idea: Fibrous Root Origin in Monocots
New ideaEasyOne-line MCQ

NEET 20182 questions

Q126
Pneumatophores occur in
Idea: Respiratory Roots (Pneumatophores)
Asked last yearEasyOne-line MCQ
Q129
Sweet potato is a modified
Idea: Root Modifications for Storage
New ideaEasyOne-line MCQ

NEET 20172 questions

Q118
Root hairs develop from the region of :
Idea: Exclusive Zone of Absorption
EasyOne-line MCQ
Q120
Plants which produce characteristic pneumatophores and show vivipary belong to :
Idea: Respiratory Roots (Pneumatophores)
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.