NEET UG · Biology · Morphology of Flowering Plants

Flower Structure: NEET previous year questions

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

Asked in 10 years: 19; about 1.8 per paper
Years asked: 9/10; last asked 2026
Chance of a question next paper: 84%; historical rate, how we compute it
Weighted estimate: 2.3; model; history: 1.8 a paper on average, typically 1–3

Key findings

01
Asked in 9 of 10 papers, 19 questions in all: #15 of 204 topics by ten-year total. It comes back every 1.1 years on average.
02
83% of its questions since 2018 tested an idea never asked before; none repeated an idea from the year before.
03
The most repeated idea is Placentation Patterns, asked 2 times (2019, 2026), usually as “identify placentation type”.
04
NEET has asked 13 of the 67 ideas in this topic; 48 have never been asked, directly or indirectly.
05
Mostly asked as one-line MCQ (58%); 32% easy, 0% hard, and up from 1.4 to 2.9 questions a paper since 2024.

Questions per year

Up to 2023: 1.4; per paper
Since 2024: 2.9; +1.5
Usual gap: 1.1 yrs; between papers asking it
Swing: ±1.0; questions, year to year

Recent framings

match list on placentation types and examples
count correct statements on plant family features
identify example of a plant feature

Revise first

Placentation Patterns (2019 2026); Zygomorphic Flower Examples (2022 2025); Adhesion of Stamens (2026)

How it is asked

Difficulty, format and skill

Across all 19 questions on Flower Structure since 2017.

Difficulty

QUESTIONS

613

Easy6 · 32%
Medium13 · 68%
Hard0 · 0%

Format

One-line MCQ · 11 Q58%
Match the lists · 3 Q16%
Other · 2 Q11%
Two statements · 1 Q5%
Figure-based · 1 Q5%
Assertion–reason · 1 Q5%

Skill tested

Recall · 16 Q84%
Figure reading · 1 Q5%
Application · 1 Q5%
Concept · 1 Q5%

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 13 of the 67 ideas in this topic. 48 have never been asked yet.

1348

Asked directly13 · 19%
Touched inside another question6 · 9%
Never asked48 · 72%

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 · 11%11%2/10
- 2026 · Q120
  Match List-I with List-II. List-I | List-II A. Marginal placentation | I. Argemone B. Axile placentation | II. Tomato C. Parietal…
  mediumMatch the lists
- 2019 · Q138
  Placentation, in which ovules develop on the inner wall of the ovary or in peripheral part, is :
  easyOne-line MCQNew idea
Repeated2 · 11%11%2/10
Repeated2 · 11%11%2/10
1 · 5%5%1/10
1 · 5%5%1/10
1 · 5%5%1/10
1 · 5%5%1/10
1 · 5%5%1/10
1 · 5%5%1/10
1 · 5%5%1/10
1 · 5%5%1/10
1 · 5%5%1/10
1 · 5%5%1/10
1 · 5%5%1/10
1 · 5%5%1/10
1 · 5%5%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

16 different ideas were tested; 3 came more than once. Ovary Position and Whorls is the foundation for 21 other ideas in the syllabus.

Placentation Patterns2×
identify placentation type
Match the lists · 6% next · foundation for 17
Zygomorphic Flower Examples2×
identify example of a plant feature
Other · 6% next
Stamen Cohesion Types2×
distinguish families by a floral feature
One-line MCQ · 6% next
Adhesion of Stamens1×
count correct statements on plant family features
Other · 6% next
Aleurone Layer of Cereal Grains1×
identify structure by description
One-line MCQ · 6% next
Floral Symmetry Types1×
statement i/ii on floral formula
Two statements · 6% next · foundation for 3
Actinomorphic Flower Examples1×
identify example of a plant feature
One-line MCQ · 6% next
Cohesion of Stamens1×
match list on stamen types and examples
Match the lists · 6% next
Marginal Placentation Example1×
match list on flower features and examples
Match the lists · 6% next
Ovary Position and Whorls1×
identify ovary position from flower diagram
Figure-based · 6% next · foundation for 21
Axile Placentation Examples1×
identify examples of a floral feature
One-line MCQ · 4% next
Flower as a Modified Shoot1×
assertion-reason on flower morphology
Assertion–reason · 4% next
Vexillary Aestivation Examples1×
identify example of a plant feature
One-line MCQ · 4% next
Epigynous Flower Examples1×
identify ovary position in example flower
One-line MCQ · 4% next
Perigynous Flower Examples1×
identify ovary position in example flower
One-line MCQ · 4% next
Fruit Types1×
identify example of a type
One-line MCQ · 4% next

Idea	Times	Format	Chance next	Foundation for
Placentation Patternsidentify placentation type	2	Match the listsRecall	6%	17 ideas
Zygomorphic Flower Examplesidentify example of a plant feature	2	OtherRecall	6%	–
Stamen Cohesion Typesdistinguish families by a floral feature	2	One-line MCQApplication	6%	–
Adhesion of Stamenscount correct statements on plant family features	1	OtherRecall	6%	–
Aleurone Layer of Cereal Grainsidentify structure by description	1	One-line MCQRecall	6%	–
Floral Symmetry Typesstatement i/ii on floral formula	1	Two statementsRecall	6%	3 ideas
Actinomorphic Flower Examplesidentify example of a plant feature	1	One-line MCQRecall	6%	–
Cohesion of Stamensmatch list on stamen types and examples	1	Match the listsRecall	6%	–
Marginal Placentation Examplematch list on flower features and examples	1	Match the listsRecall	6%	–
Ovary Position and Whorlsidentify ovary position from flower diagram	1	Figure-basedFigure reading	6%	21 ideas
Axile Placentation Examplesidentify examples of a floral feature	1	One-line MCQRecall	4%	–
Flower as a Modified Shootassertion-reason on flower morphology	1	Assertion–reasonConcept	4%	–
Vexillary Aestivation Examplesidentify example of a plant feature	1	One-line MCQRecall	4%	–
Epigynous Flower Examplesidentify ovary position in example flower	1	One-line MCQRecall	4%	–
Perigynous Flower Examplesidentify ovary position in example flower	1	One-line MCQRecall	4%	–
Fruit Typesidentify example of a type	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

Flower Structure questions, year by year

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

NEET 20262 questions

Q113
Which of the following are characteristic features of Solanaceae family? (a) Flowers are bisexual and actinomorphic (b) Calyx have five…
Idea: Adhesion of Stamens
New ideaMediumOther
Q120
Match List-I with List-II. List-I | List-II A. Marginal placentation | I. Argemone B. Axile placentation | II. Tomato C. Parietal…
Idea: Placentation Patterns
MediumMatch the lists

NEET 20253 questions

Q104
Given below are two statements : Statement I : In a floral formula ⊕ stands for zygomorphic nature of the flower, and $\underline{G}$ …
Idea: Floral Symmetry Types
New ideaMediumTwo statements
Q124
In the seeds of cereals, the outer covering of endosperm separates the embryo by a protein-rich layer called :
Idea: Aleurone Layer of Cereal Grains
New ideaMediumOne-line MCQ
Q155
Which of the following is an example of a zygomorphic flower?
Idea: Zygomorphic Flower Examples
EasyOne-line MCQ

NEET 20244 questions

Q102
Identify the type of flowers based on the position of calyx, corolla and androecium with respect to the ovary from the given figures (a)…
Idea: Ovary Position and Whorls
New ideaMediumFigure-based · figure
Q105
Which of the following is an example of actinomorphic flower?
Idea: Actinomorphic Flower Examples
New ideaEasyOne-line MCQ
Q137
Match List I with List II List I (Types of Stamens) | List II (Example) A. Monoadelphous | I. Citrus B. Diadelphous | II. Pea C.…
Idea: Cohesion of Stamens
New ideaMediumMatch the lists
Q143
Match List I with List II List I | List II A. Rose | I. Twisted aestivation B. Pea | II. Perigynous flower C. Cotton | III. Drupe D. Mango…
Idea: Marginal Placentation Example
New ideaMediumMatch the lists

NEET 20233 questions

Q114
Family Fabaceae differs from Solanaceae and Liliaceae. With respect to the stamens, pick out the characteristics specific to family…
Idea: Stamen Cohesion Types
MediumOne-line MCQ
Q129
Axile placentation is observed in
Idea: Axile Placentation Examples
New ideaEasyOne-line MCQ
Q145
Given below are two statements : One is labelled as Assertion A and the other is labelled as Reason R : Assertion A : A flower is defined…
Idea: Flower as a Modified Shoot
New ideaMediumAssertion–reason

NEET 20222 questions

Q116
The flowers are Zygomorphic in : (a) Mustard (b) Gulmohar (c) Cassia (d) Datura (e) Chilly Choose the correct answer from the options…
Idea: Zygomorphic Flower Examples
New ideaMediumOther
Q135
Which one of the following plants shows vexillary aestivation and diadelphous stamens ?
Idea: Vexillary Aestivation Examples
New ideaEasyOne-line MCQ

NEET 20211 question

Q111
Diadelphous stamens are found in :
Idea: Stamen Cohesion Types
New ideaEasyOne-line MCQ

NEET 20202 questions

Q20
Ray florets have :
Idea: Epigynous Flower Examples
New ideaMediumOne-line MCQ
Q58
The ovary is half inferior in :
Idea: Perigynous Flower Examples
New ideaMediumOne-line MCQ

NEET 20191 question

Q138
Placentation, in which ovules develop on the inner wall of the ovary or in peripheral part, is :
Idea: Placentation Patterns
New ideaEasyOne-line MCQ

NEET 20171 question

Q119
Coconut fruit is a :
Idea: Fruit Types
MediumOne-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.