NEET UG · Biology · Class 11

Animal Kingdom: NEET previous year questions

34 questions in ten years of NEET, asked in 10 of 10 years. Here is what this chapter tests and how.

Asked in 10 years: 34; 10 of 10 papers
10-year average: 3.3; a paper · 3.9 since 2024 +0.9
Typical range: 2–4; questions a paper; fewest 2, most 5
Weighted estimate: 3.7; model, recent papers count more · about 15 marks

Typical range (fact)
10-year average (fact)
Weighted estimate (model)

Typical range: questions per paper in the middle eight of the ten papers, leaving out the single highest and lowest year (about the 10th to 90th percentile), each paper scaled to 180 questions. The ten-year average and the range are historical fact. The weighted estimate is a model: each paper's share, with recent papers counting more (half-life three years), and dropped syllabus removed. It is a guide to effort, not a forecast.

What to do

How to spend time on Animal Kingdom

Priority

Must do

Among the chapters that held the first half of all NEET questions in ten years. How bands are set

Past questions: 34in 10 of 10 papers
Study plan gives it: 24 hover 12 months; 18 h over 6

Study this chapter →Practise →

Ideas asked most often

Fundamental Chordate Features6×
Distinctive Structures of Phyla4×
Aves3×
Phyla Sharing Combined Features3×
Porifera2×

Questions per year

Kind of question

SHARE OF 10 YEARS

Recall56%
Match the lists21%
Application9%
Two statements6%
Assertion–reason6%
Concept3%

Most common asks: match list on animal phyla features (5); count correct statements on chordate features (5); identify phylum by symmetry and coelom (5).

Profile

This chapter in numbers

Where it ranks, how steady it is, and what it costs to study.

Rank, all NEET chapters: #8; of 80 by weighted estimate
Rank in Biology: #8; of 32 chapters
Share of the paper: 1.8%; ten-year average
Busiest year: 2021; 5 questions
Year to year: Steady; varies by about 0.9 questions
Long-run direction: +0.10; questions per paper, per year
Easy questions: 41%; 72% of ideas rated hard
With a figure: 0%; graph, diagram or structure
Botany / Zoology: 0 / 34; questions by section
Study time: 24 h; 18 h on a 6-month plan
Marks per study hour: 0.62; #23 of 80 chapters
Foundation for others: 50%; of its ideas are used in other chapters

Difficulty, year by year

Each question rated easy, medium or hard against NCERT.

20173
20183
20192
20204
20215
20222
20233
20244
20254
20264

Easy
Medium
Hard

What it asks you to do

SHARE OF QUESTIONS

Recall82%
Application9%
Concept9%

Topics

What repeats, topic by topic

Questions per topic in each year's paper. Topics that come every year are worth learning first.

Animal Kingdom: Basis of Classification and Non-chordates · Every year18
212241222
Chordate Classes · Every year16
122122222

’17’18’19’20’21’22’23’24’25’26

Topic	2017	’18	2019	’20	2021	’22	2023	’24	2025	’26	Total
Animal Kingdom: Basis of Classification and Non-chordatesEvery year	2	1	2	2	4	·	1	2	2	2	18
Chordate ClassesEvery year	1	2	·	2	1	2	2	2	2	2	16

04+questions in that year’s paper

Animal Kingdom: Basis of Classification and Non-chordates
Expect a one-line factual recall item about Animal Kingdom: Basis of Classification and Non-chordates; a match-the-columns item (two lists, pick the correct pairing code) is the next most likely shape. Past framings centre on: identify phylum by symmetry and coelom; match list on animal phyla features.
Chordate Classes
Expect a one-line factual recall item about Chordate Classes. Past framings centre on: count correct statements on chordate features; identify group by anatomical feature.

Drill down

Topic, idea, question

Open a topic to see every idea NEET tested inside it, then open an idea to read the questions. Each row shows its ten papers.

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

Open18 · 53%53%9/102224222
10 ideas inside
- Repeated4 · 22%22%4/10
- Repeated3 · 17%17%3/10
- Repeated2 · 11%11%2/10
- Repeated2 · 11%11%2/10
- Repeated2 · 11%11%2/10
- 1 · 6%6%1/10
- 1 · 6%6%1/10
- 1 · 6%6%1/10
- 1 · 6%6%1/10
- 1 · 6%6%1/10
Open16 · 47%47%9/102222222

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

Ideas

The exact ideas NEET has asked

Inside the topics, 17 different ideas were tested. These came more than once, or are new since 2024.

Fundamental Chordate Features6×
count correct statements on chordate features
Distinctive Structures of Phyla4×
match list on animal phyla features
Aves3×
identify group by anatomical feature
Phyla Sharing Combined Features3×
identify phylum by symmetry and coelom
Porifera2×
identify mode of respiration in organism
Body Symmetry2×
identify phylum by symmetry and coelom
Acoelomate, Pseudocoelomate and CoelomateNew2×
identify phylum by symmetry and coelom
Comparison of Fish Classes2×
match list on animal class features
Mammalia2×
identify unique features of a class
Amphibia and ReptiliaNew1×
statement i/ii on vertebrate class features
EchinodermataNew1×
count correct statements on animal phylum functions
CyclostomataNew1×
identify group by anatomical feature

Idea	Times	Usually asked as
Fundamental Chordate Featurescount correct statements on chordate features	6	Other
Distinctive Structures of Phylamatch list on animal phyla features	4	Match the lists
Avesidentify group by anatomical feature	3	One-line MCQ
Phyla Sharing Combined Featuresidentify phylum by symmetry and coelom	3	Other
Poriferaidentify mode of respiration in organism	2	One-line MCQ
Body Symmetryidentify phylum by symmetry and coelom	2	One-line MCQ
Acoelomate, Pseudocoelomate and Coelomateidentify phylum by symmetry and coelom	2	OtherNew
Comparison of Fish Classesmatch list on animal class features	2	Match the lists
Mammaliaidentify unique features of a class	2	One-line MCQ
Amphibia and Reptiliastatement i/ii on vertebrate class features	1	Two statementsNew
Echinodermatacount correct statements on animal phylum functions	1	OtherNew
Cyclostomataidentify group by anatomical feature	1	One-line MCQNew

Every question

Animal Kingdom questions, year by year

The opening words of each question as it appeared in the official paper.

NEET 20264 questions

Q107Given below are two statements: Statement I: When any plane passing through the central axis of the body divides the organism into two…Two statements
Q130Given below are two statements: Statement I: The class name Reptilia refers to creeping or crawling mode of locomotion. Statement II: All…Two statements
Q132Which of the following is not a characteristic of chordates?One-line MCQ
Q150Sponges exchange $O_2$ with $CO_2$ byOne-line MCQ

NEET 20254 questions

Q109While trying to find out the characteristic of a newly found animal, a researcher did the histology of adult animal and observed a cavity…One-line MCQ
Q139All living members of the class Cyclostomata are:One-line MCQ
Q142Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : All vertebrates…Assertion–reason
Q166Role of the water vascular system in Echinoderm is: A. Respiration and Locomotion B. Excretion and Locomotion C. Capture and transport of…Other

NEET 20244 questions

Q163Match List I with List II List-I | List-II A. Pterophyllum | I. Hag fish B. Myxine | II. Saw fish C. Pristis | III. Angel fish D.…Match the lists
Q176Match List I with List II List-I | List-II A. Pleurobrachia | I. Mollusca B. Radula | II. Ctenophora C. Stomochord | III. Osteichthyes D.…Match the lists
Q184Consider the following statements: A. Annelids are true coelomates B. Poriferans are pseudocoelomates C. Aschelminthes are acoelomates D.…Other
Q191The following are the statements about non-chordates: A. Pharynx is perforated by gill slits. B. Notochord is absent. C. Central nervous…Other

NEET 20233 questions

Q167Radial symmetry is NOT found in adults of phylum ________.One-line MCQ
Q189Select the correct statements with reference to chordates. A. Presence of a mid-dorsal, solid and double nerve cord. B. Presence of closed…Other
Q194The unique mammalian characteristics are:One-line MCQ

NEET 20222 questions

Q155In which of the following animals, digestive tract has additional chambers like crop and gizzard ?One-line MCQ
Q182Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : All vertebrates…Assertion–reason

NEET 20215 questions

Q151Read the following statements. (a) Metagenesis is observed in Helminths. (b) Echinoderms are triploblastic and coelomate animals. (c)…Other
Q152Match List - I with List - II. List - I | List - II (a) Metamerism | (i) Coelenterata (b) Canal system | (ii) Ctenophora (c) Comb plates |…Match the lists
Q173Which one of the following organisms bears hollow and pneumatic long bones ?One-line MCQ
Q175Match the following : List - I | List - II (a) Physalia | (i) Pearl oyster (b) Limulus | (ii) Portuguese Man of War (c) Ancylostoma |…Match the lists
Q197Following are the statements about prostomium of earthworm. (a) It serves as a covering for mouth. (b) It helps to open cracks in the soil…Other

NEET 20204 questions

Q9Match the following columns and select the correct option. Column - I | Column - II (a) Gregarious, polyphagous pest | (i) Asterias (b)…Match the lists
Q26Which of the following statements are true for the phylum-Chordata ? (a) In Urochordata notochord extends from head to tail and it is…Other
Q37Match the following columns and select the correct option. Column - I | Column - II (a) 6 - 15 pairs of gill slits | (i) Trygon (b)…Match the lists
Q87Bilaterally symmetrical and acoelomate animals are exemplified by :One-line MCQ

NEET 20192 questions

Q100Consider following features : (a) Organ system level of organisation (b) Bilateral symmetry (c) True coelomates with segmentation of body…Other
Q157Match the following organisms with their respective characteristics : (a) Pila | (i) Flame cells (b) Bombyx | (ii) Comb plates (c)…Match the lists

NEET 20183 questions

Q148Identify the vertebrate group of animals characterized by crop and gizzard in its digestive system.One-line MCQ
Q150Which one of these animals is not a homeotherm ?One-line MCQ
Q151Which of the following animals does not undergo metamorphosis ?One-line MCQ

NEET 20173 questions

Q139In case of poriferans, the spongocoel is lined with flagellated cells calledOne-line MCQ
Q141Which among these is the correct combination of aquatic mammals ?One-line MCQ
Q160An important characteristic that Hemichordates share with Chordates is :One-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.

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