NEET Biology Diversity in the Living World PYQ - Previous Years Questions

Download Diversity in the Living World NEET PYQ PDF

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Solved Examples from NEET & RE-NEET 2026 Diversity in the Living World PYQs

Previous year questions are the best way to study for NEET Biology. The following are some questions on Diversity in the Living World which have been picked up from NEET & RE-NEET 2026 question paper with answers and explanations. They will help candidates understand the exam pattern and type of questions asked in NEET 2027 along with important NCERT topics.

Q1. Below are two statements:

Statement I: The name Reptilia class implies that the members of this class move in creeping manner.

Statement II: All organisms of Reptilia class have three chambered heart.

Considering above two statements, the most suitable option would be

Options:

1. Statement I is false but Statement II is true
2. Both Statement I and Statement II are true
3. Both Statement I and Statement II are false
4. Statement I is true but Statement II is false

Answer: (4) Statement I is true but Statement II is false

Explanation: Members of Reptilia class are those which creep. Heart of most reptile has three chambers; however, that of crocodile has four chambers.

Q2. Below are two statements:

Statement I: In gymnosperms, the male and female gametophytes live within sporangia.

Statement II: In gymnosperms, the seeds are not enclosed.

Options:

1. Statement I is false but Statement II is true
2. Both Statement I and Statement II are true
3. Both Statement I and Statement II are false
4. Statement I is true but Statement II is false

Answer: (2) Both Statement I and Statement II are true

Explanation: In case of gymnosperms, the gametophytes grow inside sporangia and the seeds are naked.

Q3. Mad cow disease is caused by ________.

Options:

1. Mycoplasma sp.
2. Prions
3. Viroids
4. Aspergillus sp.

Answer: (2) Prions

Explanation: Prion causes mad cow disease.

Q4. Sphenopsida is a class that falls under ________.

Options:

1. Pteridophytes
2. Bryophytes
3. Angiosperms
4. Gymnosperms

Answer: (1) Pteridophytes

Explanation: Sphenopsida includes horsetails; they are seedless vascular plants, which means they belong to the category of pteridophytes.

Q5. Genus refers to ________.

Options:

1. Group of families having some similarity
2. Plant or animal
3. Population of plants and animals
4. Group of species having some similarity

Answer: (4) Group of species having some similarity

Explanation: Genus consists of one or more than one species.

Q6. Which of the following is not a characteristic of chordates?

Options:

1. Presence of post-anal tail
2. Presence of notochord
3. Central nervous system is dorsal
4. Absence of gills

Answer: (4) Absence of gills

Explanation: Gills are present in most chordates throughout some stage in their life span.

Q7. Arrange the following taxonomic categories in ascending order.

a) Genus

b) Class

c) Order

d) Phylum

e) Family

f) Kingdom

g) Species

Options:

(f), (c), (b), (g), (d), (e), (a)

(g), (a), (e), (c), (b), (d), (f)

(a), (c), (d), (g), (f), (b), (e)

(g), (c), (d), (b), (e), (a), (f)

Answer: (2) (g), (a), (e), (c), (b), (d), (f)

Explanation: The correct sequence would be Species→Genus→Family→Order→Class→Phylum→Kingdom.

Q8. Match List-I with List-II.

Answer: (1) A-II, B-IV, C-I, D-III

Explanation: Cocci are spherical, Bacilli are rod shaped, Vibrio are comma shaped and Spirilla are spiral shaped bacteria.

Q9. Match List-I with List-II.

Answer: (1) A-III, B-V, C-II, D-IV, E-I

Explanation: Mango falls under the family of Anacardiaceae, genus of Mangifera, order of Sapindales, class of Dicotyledonae and phylum of Angiospermae.

Q10. Symbiotic association between fungi and algae are called ________.

Options:

1. Chrysophytes
2. Lichens
3. Sponges
4. Mycorrhiza

Answer: (2) Lichens

Explanation: Lichens are the result of a mutualism between fungi and algae (cyanobacteria).

Q11. Which of the following is not a prokaryote?

Options:

1. Fungi
2. Bacteria
3. Blue-green algae
4. Mycoplasma

Answer: (1) Fungi

Explanation: Fungi are eukaryotes; however, bacteria, cyanobacteria and mycoplasma are prokaryotes.

Q12. Given below are two statements:

Statement I: When any plane passing through the central axis of the body divides the organism into two identical halves, it is called radial symmetry.

Statement II: In phylum Echinodermata, both adults and larvae are radially symmetrical.

Options:

1. Statement I is incorrect but Statement II is correct
2. Both Statement I and Statement II are correct
3. Both Statement I and Statement II are incorrect
4. Statement I is correct but Statement II is incorrect

Answer: (4) Statement I is correct but Statement II is incorrect

Explanation: Echinoderms are radially symmetrical when adult; whereas larvae are bilaterally symmetrical.

Q13. Sponges exchange O₂ with CO₂ by ________.

Options:

1. Gills
2. Simple diffusion over their entire body surface
3. Moist cuticle
4. Tracheal tubes

Answer: (2) Simple diffusion over their entire body surface

Explanation: Sponges lack any specialised respiratory structures; gases are exchanged by diffusion.

Diversity in the Living World NEET Weightage Analysis (2021-2026)

Analysis of the NEET 2021-2026 Biology papers shows that Diversity in the Living World consistently contributes around 10-12% of the Biology section. Animal Kingdom and Plant Kingdom remain the highest-weightage chapters within this unit.

The weightage analysis table of the Diversity in the Living World NEET Biology PYQs is given below:

NEET PYQ Frequently Asked Topics in Diversity in the Living World Unit

The NEET biology diversity in the living world PYQ includes 4 chapters. The table listing the chapters of this unit, along with the most scoring concept, is given below. The most repeated areas include taxonomic hierarchy, binomial nomenclature, five-kingdom classification, algae, gymnosperms, angiosperms, body symmetry, coelom, and chordates. Analysing the NEET biology chapter-wise weightage shows that questions from these topics are frequently asked every year.

How to Prepare Diversity in the Living World for NEET 2027

Scoring well in the Diversity in the Living World unit requires conceptual clarity of the topics and a regular, smart revision strategy. Given below are a few tips which aspirants can follow to solve Diversity in the Living World NEET PYQ. Apart from this, students should practice PYQs for NEET Biology preparation to strengthen their understanding and perform well in the exam.

• Candidates have to go through the NEET biology syllabus to know which topics are included in the Diversity in the Living World NEET PYQ.

• Study from the NCERT books for NEET, as most Diversity in the Living World NEET questions are directly asked from them.

• Practice questions from the top 100 questions in NEET Biology to score 330+ marks based on the Five Kingdom classification, taxonomy tools, etc.

• Go through the important diagrams for NEET biology, such as the classification hierarchy, examples of monera, protista, etc.

• Access the Diversity in the Living World NEET chapter-wise PYQ and write down the mistakes to improve accuracy and speed.

Best Books for Diversity in the Living World NEET Preparation

Choosing the right study material can help you strengthen concepts and improve question-solving skills. Start with NCERT and then practise MCQs and previous year questions using trusted reference books.