NEET UG · Biology · Body Fluids and Circulation

Blood Composition, Groups and Coagulation: NEET previous year questions

8 questions in ten years of NEET, in 7 of 10 papers. Pattern: Every year. Here is how it is asked and which ideas come back.

Asked in 10 years: 8; about 0.8 per paper
Years asked: 7/10; last asked 2026
Chance of a question next paper: 50%; historical rate, how we compute it
Weighted estimate: 0.7; model; history: 0.8 a paper on average, typically 0–1

Key findings

01
Asked in 7 of 10 papers, 8 questions in all: #105 of 204 topics by ten-year total. It comes back every 1.5 years on average.
02
57% 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 Blood Coagulation, asked 3 times (2021, 2022, 2026), usually as “statement i/ii on blood”.
04
NEET has asked 0 of the 9 ideas in this topic; 0 have never been asked, directly or indirectly.
05
Mostly asked as one-line MCQ (38%); 63% easy, 0% hard, and down from 0.9 to 0.3 questions a paper since 2024.

Questions per year

Up to 2023: 0.9; per paper
Since 2024: 0.3; -0.6
Usual gap: 1.5 yrs; between papers asking it
Swing: ±0.6; questions, year to year

How it is asked

Difficulty, format and skill

Across all 8 questions on Blood Composition, Groups and Coagulation since 2017.

Difficulty

QUESTIONS

Easy5 · 63%
Medium3 · 38%
Hard0 · 0%

Format

One-line MCQ · 3 Q38%
Other · 2 Q25%
Match the lists · 2 Q25%
Two statements · 1 Q13%

Skill tested

Recall · 6 Q75%
Concept · 2 Q25%

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 0 of the 9 ideas in this topic. 0 have never been asked yet.

Asked directly0 · 0%
Touched inside another question9 · 100%
Never asked0 · 0%

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

Repeated3 · 38%38%3/10
- 2026 · Q117
  Which of the following statements is incorrect?
  easyOne-line MCQ
- 2022 · Q162
  Given below are two statements : Statement I : The coagulum is formed of network of threads called thrombins. Statement II : Spleen is the…
  easyTwo statementsAsked the year before
- 2021 · Q165
  Which enzyme is responsible for the conversion of inactive fibrinogens to fibrins ?
  easyOne-line MCQNew idea
Repeated2 · 25%25%2/10
1 · 13%13%1/10
1 · 13%13%1/10
1 · 13%13%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

5 different ideas were tested; 2 came more than once.

Blood Coagulation3×
statement i/ii on blood
One-line MCQ · 11% next
Types of Leucocytes2×
match list on blood cell functions
Match the lists · 6% next
ABO Blood Groups1×
reason for universal recipient
One-line MCQ · 4% next
Plasma Proteins1×
match list on plasma proteins
Match the lists · 4% next
Erythrocytes1×
count correct statements on rbc feature
Other · 4% next

Idea	Times	Format	Chance next	Foundation for
Blood Coagulationstatement i/ii on blood	3	One-line MCQRecall	11%	–
Types of Leucocytesmatch list on blood cell functions	2	Match the listsRecall	6%	–
ABO Blood Groupsreason for universal recipient	1	One-line MCQConcept	4%	–
Plasma Proteinsmatch list on plasma proteins	1	Match the listsRecall	4%	–
Erythrocytescount correct statements on rbc feature	1	OtherConcept	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

Blood Composition, Groups and Coagulation 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

Q117
Which of the following statements is incorrect?
Idea: Blood Coagulation
EasyOne-line MCQ

NEET 20231 question

Q196
Which of the following statements are correct ? A. Basophils are most abundant cells of the total WBCs B. Basophils secrete histamine,…
Idea: Types of Leucocytes
MediumOther

NEET 20221 question

Q162
Given below are two statements : Statement I : The coagulum is formed of network of threads called thrombins. Statement II : Spleen is the…
Idea: Blood Coagulation
Asked last yearEasyTwo statements

NEET 20212 questions

Q165
Which enzyme is responsible for the conversion of inactive fibrinogens to fibrins ?
Idea: Blood Coagulation
New ideaEasyOne-line MCQ
Q180
Persons with 'AB' blood group are called as “Universal recipients”. This is due to :
Idea: ABO Blood Groups
New ideaEasyOne-line MCQ

NEET 20201 question

Q76
Match the following columns and select the correct option. Column - I | Column - II (a) Eosinophils | (i) Immune response (b) Basophils |…
Idea: Types of Leucocytes
New ideaMediumMatch the lists

NEET 20181 question

Q166
Match the items given in Column I with those in Column II and select the correct option given below : Column I | Column II a. Fibrinogen |…
Idea: Plasma Proteins
New ideaEasyMatch the lists

NEET 20171 question

Q98
Adult human RBCs are enucleate. Which of the following statement(s) is/are most appropriate explanation for this feature ? (a) They do not…
Idea: Erythrocytes
MediumOther

Questions from the official NEET UG papers published by NTA (CBSE before 2019). Topic and idea tags, counts and notes are Lumi’s.