Diversity of life - NEET Previous Year Questions with Solutions and Weightage

Diversity of life is an important and high-weightage topic that is asked in the NEET UG 2025 exam. The topic carries approximately 10-12% weightage and candidates can expect 4 to 5 questions from this section in the NEET 2025 exam.

Diversity in Living World is an essential part of NEET 2025 Biology that will help you to understand the basic fundamentals of Biodiversity, Need for classification, Five kingdom classification and the classification of plants and animals. With a weightage of 9%, Diversity in the living world is one of the most essential topics in NEET Biology Syllabus and understanding it will help you fetch around 16 marks.

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Listed below is the list of Chemical Bonding & Molecular Structure questions with detailed solutions asked in NEET UG 2025 exam.

Question 1:

Match List I with List II:

Choose the correct answer from the options given below:

• A-II, B-I, C-IIII, D-IV
• A-III, B-I, C-II, D-IV
• A-IV, B-I, C-II, D-III
• A-III, B-II, C-I, D-IV

View Solution

Question 2:

Match List I with List II

Choose the correct answer from the options given below:

• A-III, B-II, C-IV, D-I
• A-I, B-III, C-II, D-IV
• A-III, B-II, C-I, D-IV
• A-IV, B-III, C-II, D-I

View Solution

Question 3:

Identify the incorrect pair :

• Sphenopsida – Adiantum
• Pteropsida – Dryopteris
• Psilopsida – Psilotum
• Lycopsida – Selaginella

View Solution

Question 4:

The unique mammalian characteristics are:

• hairs, pinna and mammary glands
• hairs, pinna and indirect development
• pinna, monocondylic skull and mammary glands
• hairs, tympanic membrane and mammary glands

View Solution

Question 5:

Identify the pair of heterosporous pteridophytes among the following:

• Selaginella and Salvinia
• Psilotum and Salvinia
• Equisetum and Salvinia
• Lycopodium and Selaginella

View Solution

Question 6:

Select the correct statements with reference to chordates.

A. Presence of a mid-dorsal, solid and double nerve cord.

B. Presence of closed circulatory system.

C. Presence of paired pharyngeal gill slits.

D. Presence of dorsal heart

E. Triploblastic pseudocoelomate animals.

Choose the correct answer from the options given below:

• B and C only
• B, D and E only
• C, D and E only
• A, C and D only

View Solution

Question 7:

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion (A): All vertebrates are chordates but all chordates are not vertebrates

Reason (R): Notochord is replaced by the vertebral column in the adult vertebrates.

In the light of the above statements, choose the most appropriate answer from the options given below:

• Both (A) and (R) are correct and (R) is the correct explanation of (A)
• Both (A) and (R) are correct but (R) is not the correct explanation of (A)
• (A) is correct but (R) is not correct
• (A) is not correct but (R) is correct

View Solution

Question 8:

Which of the following is not a connective tissue?

• Blood
• Adipose Tissue
• Cartilage
• Neuroglia

View Solution

Question 9:

Hydrocolloid carrageen is obtained from

• Chlorophyceae and Phaeophyceae
• Phaeophyceae and Rhodophyceae
• Rhodophyceae only
• Phaeophyceae only

View Solution

Question 10:

Match the plant with the kind of life cycle it exhibits. Choose the correct answer from the options given below:

• (a)- (iv); (b) - (i); (c) - (ii);(d) - (iii)
• (a)- (ii); (b) - (iii); (c) - (iv);(d) - (i)
• (a)- (iii); (b) - (iv); (c) - (i);(d) - (ii)
• (a)- (ii); (b) - (iv); (c) - (i);(d) - (iii)

View Solution

Question 11:

Exoskeleton of arthropods is composed of:

• Cutin
• Cellulose
• Chitin
• Glucosamine

View Solution

Question 12:

Which one of the following belongs to the family Muscidae ?

• Fire fly
• Grasshopper
• Cockroach
• House fly

View Solution

Question 13:

Select the correct pair

• Loose parenchyma cells rupturing the epidermis and forming a lens shaped opening in bark - Spongy parenchyma
• parenchyma cells in the epidermis of grass leaves - Subsidiary cells
• In dicot leaves, vascular bundles are surrounded by large thick-walled cells - Conjunctive tissue
• Cells of medullary rays that form part of cambial ring - Interfascicular cambium

View Solution

Question 14:

Genera like Selaginella and Salvinia produce two kinds of spores. Such plants are known as

• Heterosporous
• Homosorus
• Heterosorus
• Homosporous

View Solution

NEET 2025 Biology Exam Pattern

The Biology section in NEET 2025 plays a pivotal role in determining the overall score, given its significant weightage in the exam. Comprising 90 questions out of the total 180, Biology is divided into two subsections: Botany and Zoology. There will be a total of 45 questions in each.

As per the marking scheme, +4 marks will be awarded for correct answers, -1 for incorrect ones, and unattempted questions will not be marked. Time duration for the exam will be 180 minutes.

Each subsection evaluates the aspirant’s knowledge across a wide spectrum of topics from Classes 11 and 12 NCERT syllabi.

NEET Biology Exam Pattern: Section-Wise Marking Scheme

The NEET 2025 Biology section comprises 90 questions, equally divided between Zoology (45 questions) and Botany (45 questions).

The marking scheme awards +4 marks for each correct answer, -1 mark for incorrect answers, and 0 marks for unattempted questions. The Biology section carries a total of 360 marks, split equally between Zoology and Botany. The exam is conducted offline (pen-paper mode).

Class-Wise Biology NEET Syllabus Weightage

Biology NEET Syllabus Weightage

The topic-wise weightage for the syllabus of Biology is provided here based on previous year exam:

Biology NEET 2025 Syllabus PDF- Chapter-Wise Weightage

NEET 2025 Chapter wise Weightage Biology Class 11

NEET 2025 Chapter wise Weightage Biology Class 12

Biology NEET Questions PDF

To practice subject-specific questions for NEET exam preparation, check NEET Biology questions from the link given below.

Biology NEET Exam Pattern 2024

Biology NEET exam pattern 2024 is provided below with the number of questions, type of questions, total marks, and negative marking.

NEET Question Paper 2024 PDF with Answer Key and Solution

NEET 2024 Question Paper PDF Code R

NEET 2024 Question Paper PDF Code Q

NEET 2024 Question Paper PDF Code T

NEET 2024 Question Paper PDF Code S

NEET Re-Exam June 23 Question Paper

NEET Question Paper 2024

NEET Subject Wise Question Paper 2024 PDF with Answer Key and Solution

NEET Sample Paper 2024 PDF Download with Answer

Students must not confuse this sample paper with the actual question paper. This is just a mock paper with answers that will help you with your exam preparation.

Frequently Asked Questions:

Q1. Which topics in Diversity of Life have the highest weightage in NEET?

In the NEET 2025 exam , topics within "Diversity of Life" that carry significant weightage include Biological Classification, Animal Kingdom, and Plant Kingdom. With a weightage of 9%, Diversity in the living world is one of the most essential topics which includes:

• What is living? ; Biodiversity; Need for classification; Taxonomy & Systematics; Binomial nomenclature;
• Five kingdom classification; classification of Monera; Protista and Fungi into major groups; Lichens; Viruses and Viroids.
• Salient features and classification of plants into major groups-Algae, Bryophytes, Pteridophytes, Gymnosperms
• Salient features and classification of animals-nonchordate up to phyla level and chordate up to classes level

Q2. What types of biological classification questions are most commonly asked in NEET?

Important questions for Biological Classification, which is an important chapter in the NEET 2025 Biology section, and prepare to answer all kinds of questions that may be asked in this test. The students who are targeting the NEET exam should prepare for all the important chapters of the NEET Syllabus to secure the highest marks in NEET 2025. The important questions for NEET 2025 are one of the most reliable study materials as it covers all the important chapters which are in the syllabus. Also, these important questions are prepared by analysing the previous years' question papers & considering the weightage of each chapter in the syllabus.

Seeing the past year's trends, the Biology section of NEET is generally considered the easiest. This is primarily because 80-85% of the questions in NEET-UG were directly sourced from the NCERT syllabus. Only about 15% of the questions are beyond the scope of NCERT. Therefore, candidates who thoroughly study the NCERT Biology textbook have a significant advaBiology alone covers 50% percent of NEET Exam with a total of 90 questions (45 from Zoology and 45 from Botany). Applicants need to attempt all the questions as per new guidelines of NTA (Section A: 35 compulsory questions. Section B: 10 questions).

Seeing the past year's trends, the Biology section of NEET is generally considered the easiest. This is primarily because 80-85% of the questions in NEET-UG were directly sourced from the NCERT syllabus. Only about 15% of the questions are beyond the scope of NCERT. Therefore, candidates who thoroughly study the NCERT Biology textbook have a significant advantage in excelling in this section.

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Q3. Which classification-based questions require special attention in NEET?

NEET Biology holds the weightage of 50% i.e. 90 questions out of 180 are asked from this subject only. Some of the important topics from where candidates can expect the maximum number of questions are Plant Physiology, Genetics & Evolution, Diversity in Living World, etc. Check NEET Biology Syllabus

NEET 2021 is scheduled to be held on August 1. With around 4 months left for the exam candidates should also focus on solving the previous years’ questions along with the revision of syllabus. In the article, we have provided important questions with their solutions which help you in preparing for the exam. Some of the questions are direct while some needs in-depth understanding of the concepts to answer. Also Check NEET Biology Exam Pattern

Q4. How to quickly recall important microbial groups in NEET exams?

Microbes are present everywhere even where no other life-form may occur. These are numerous, including viruses, bacteria, protozoa, fungi, viroids, prions, and other microscopic species. They can be pathogenic but play a major role in human welfare. Microbes have wide production for research and the development of various useful products in laboratories or at the industrial scale.

• Microbes in Human Welfare comes under the chapter of Biology and Human Welfare
• In the NEET Biology Syllabus, Biology and Human Welfare carries a total weight of about 3 to 4%.
• Microbes in Human Welfare can have a maximum of 3 questions in NEET.