CUET UG Biology Question Paper 2026 With Solution, Analysis: Memory-Based Questions

CUET UG 2026 Biology Analysis - Day-wise Shift 1 vs Shift 2 Comparison

Overall Trend Summary

Section-wise Pattern Across All Shifts

Most Repeated Biology Topics in CUET 2026

Reproduction

• Human Reproduction
• Reproductive Health
• Menstrual Cycle
• Spermatogenesis
• Oogenesis
• Pollen Grain
• Double Fertilization
• Embryo Sac
• Contraceptive Methods

Genetics & Molecular Basis

• Test Cross
• Incomplete Dominance
• Down Syndrome
• DNA Fingerprinting
• DNA Isolation
• RNA Interference
• Lac Operon
• Gene Silencing
• DNA Replication

Biotechnology

• PCR
• Gel Electrophoresis
• Biotechnology Principles and Processes
• Biotechnology Applications
• Gene Therapy
• Sewage Treatment Plant
• Bioactive Molecules

Ecology & Evolution

• Biodiversity and Conservation
• In-situ and Ex-situ Conservation
• Population Density
• Food Chain
• Decomposition
• Human Evolution
• Hardy-Weinberg Principle
• Miller Experiment

Human Health & Disease

• AIDS
• Malaria Life Cycle
• STDs
• Drugs and their effects
• Antibodies
• Colostrum-related questions

CUET UG Biology Question Paper 2026 Analysis

Below is the detailed analysis of the CUET Biology 2026 Question Paper.

CUET 2026 Biology Analysis - 29 May

• The paper was easy to moderate

• Question on RNA Interference (RNAi) was asked

• Question on the Lac Operon and its genes was asked

• Question on Androgens and the gland that secretes them was asked

• Question on Test Cross was asked

• Passage-based questions were asked

• One passage was related to DNA

• Another passage was based on Microbes

• From the Disease chapter, question on the steps of the Malaria life cycle was asked

• Question on Copper-T and its mode of action was asked

• Question on Orchid and Mango was asked

• Question from Ecosystem on the Food Chain was asked

• Questions on In-situ and Ex-situ Conservation were asked

CUET UG 2026 Biology Analysis - 26 May

• Biology was easy to moderate in difficulty level.

• Compared to previous shifts, it felt slightly more conceptual.

• Several questions tested detailed understanding of NCERT concepts.

• Major topics included PCR, Gel Electrophoresis, RNA Interference, and the Menstrual Cycle.

• Memory-based questions were also asked directly from NCERT.

• Questions included topics like antibody present in colostrum and transport pathway of sperm.

• Spermatogenesis related a sequence based question was asked.

• Matching-type questions were asked from diseases and organisms.

• Overall, Biology was manageable but required careful reading and strong concept clarity.

CUET UG 2026 Biology Analysis - May 25 Shift 2

• Overall difficulty level was moderate

• Genetics & Evolution had the highest weightage

• NCERT diagrams, sequences, and statements were very important

• Many match the column, sequence, and assertion-type questions were asked

Important Topics Asked

• Pollen grain formation sequence

• Reproduction

• Male gametophyte formation sequence

• Pollination (correct & incorrect statements)

• Wind pollination features

• Flowers not showing autogamy

• Human reproduction

• Menstrual cycle

  • Peak hormone during ovulation

• Parturition

  • Hormone not involved

• Oogenesis sequence

Reproductive Health

• Contraceptive methods (match the column)

• GIFT full form

Genetics & Inheritance

• Incomplete dominance

• Down syndrome

• Correct & incorrect statements

• Honey bee sex determination

Molecular Basis of Inheritance

• Scientist-based questions

• Genetic code features

• DNA fingerprinting sequence

• Transcription in prokaryotes (match the column)

Evolution

• Human evolution

• Divergent and convergent evolution

• Darwin’s theory

Human Health & Disease

• Case-based question on Plasmodium life cycle

Biotechnology

• Enzymes, acids, bioactive molecules, and biogas plant (match the column)

• Sewage treatment plant sequence

• RNA interference

Ecology

• Factors affecting population density

• Population interaction

  • Competition

• Case-based ecology questions

Overall Trend

• NCERT line-to-line reading was extremely important

• Sequences, diagrams, examples, and tables had high weightage

• Genetics, reproduction, and biotechnology were the most important sections

• Statement-based and match-the-column questions were common

CUET UG 2026 Biology Analysis - 22 May Shift 2

• The paper was moderate

• Around 40 questions were direct and 10 questions were tricky

• High weightage units were Ecology and Biotechnology

• Questions from Ecology were asked

• Questions from Chapter 1 were asked

• Question on Hormones was asked

• Questions on Sexually Transmitted Diseases and Contraceptives were asked

• Questions from the Disease chapter were asked

• Match the Following questions were seen

• Question on Population Density was asked

• Questions on types of consumers and methods of conservation were asked

CUET UG 2026 Biology Analysis - 20 May Shift 2

• Overall paper level was easy.

• Most questions were direct and NCERT-based.

• Biology terminology and factual concepts were important.

Important Questions Asked

• Question from Pollen Fossils

  • Related to palaeobotany/evolution concepts

• Question from Seminal Vesicle

  • Based on human reproductive system functions

• Direct factual questions had higher weightage.

• Students with proper NCERT revision found the paper manageable.

• Diagrams and biological terms remained important for quick solving.

CUET Biology Analysis - 20 May Shift 1

• Biology paper was considered easy to moderate by most students.

• Questions were asked from almost every chapter of the syllabus.

• Ecology had comparatively lower weightage in this shift.

• Human Health and Disease contributed questions related to drugs and their effects.

• Principle of Inheritance and Variation included questions on genetic disorders.

• Reading Comprehension (RC)-based questions were also asked from Genetics-related topics.

• Most questions were direct and NCERT-oriented.

• Some questions were slightly tricky and required careful reading.

• Students who revised NCERT thoroughly could attempt the paper comfortably.

• Conceptual understanding along with factual memory played an important role.

• Several students observed similarity between practice book questions and actual exam questions.

• Proper revision of notes and repeated NCERT reading was considered sufficient for scoring well.

• Overall difficulty level remained easy with a few moderate conceptual twists.

CUET 2026 Biology Analysis - 18 May Shift 2

• Overall difficulty level of the Biology paper was reported as Easy

• Most questions were direct and NCERT-based

• Line-based factual questions from NCERT were dominant

• Human Reproduction and Reproductive Health had good weightage

• Questions from Oogenesis were asked

• Questions from Megasporogenesis were asked

• Questions from Embryo Sac were asked

• A sequence-based question from Oogenesis was included

• Questions from Biotechnology and Human Health chapters were asked

• Questions related to Gene Therapy were asked

• Questions related to AIDS were asked

• One question on oral pills and contraceptive devices was asked

• Reproductive Health chapter had noticeable weightage

• Evolution chapter contributed questions in the paper

• Question based on Miller Experiment was asked

• Assertion-Reason questions were limited

• Statement-based questions were fewer in number

• Diagram-based questions were very few or absent

• Most questions focused on conceptual clarity

• Calculation-based or tricky questions were minimal

• Students who revised NCERT thoroughly found the paper manageable

• Paper showed balanced coverage from both Class 11 and Class 12 syllabus

• Time management was not a major issue for most students

• Expected good attempts were high due to the easy nature of the paper

• Important chapters in this shift:

  • Human Reproduction

  • Reproductive Health

  • Biotechnology

  • Human Health and Disease

  • Evolution

CUET Biology Analysis 18 May Shift 1

• Overall paper was slightly lengthy

• Some questions were repeated from PYQs and previous shifts

• More questions from Biodiversity were asked in this shift

• Questions from Ecology were asked

• In-situ and Ex-situ Conservation questions asked

• Questions from Biodiversity and Conservation

• Questions from Organisms and Population

• Questions from Reproduction in Flowering Plants

• Diagram-based questions were asked

• Question on Pollen Grain asked

• Questions from Genetics

• Question on Rediscovery of Mendel

• Question on Hardy-Weinberg Principle asked p^2 + 2pq + q^2 = 1

• Sequence-based question on Human Evolution asked

• Sequence-based questions had higher weightage

• Statement-based questions were asked

• Match the Following questions were asked

CUET 2026 Biology Analysis - 15 May Shift 1

• Overall paper difficulty level was moderate

• The paper included a mix of conceptual, factual, and application-based questions

• NCERT-based preparation remained important for this shift

• Passage-based question from Antibody was asked

• The antibody passage was considered slightly tricky by students

• Single-line direct questions were asked from

  • Totipotency

  • Spermatogenesis

• Sequence-based question was asked from DNA Isolation

• Questions were also asked from:

  • RNA

  • Gene Silencing

  • Gel Electrophoresis

• Biodiversity question was based on the theme of “Evil Quartet”

• Other important questions included:

  • Who coined the term nucleus

  • Rediscovery of Mendel

  • Factors affecting decomposition from Microbes

  • Population Growth

• The paper tested both conceptual clarity and factual recall

• Many questions were directly linked to NCERT statements and diagrams

• Students with strong NCERT reading and good understanding of molecular biology and genetics topics would have found the paper manageable

• Overall, the paper had balanced coverage with slightly higher focus on Genetics, Biotechnology, and Ecology topics

CUET 2026 Biology Analysis - 14 May Shift 2

• The overall difficulty level of the Biology paper was easy to moderate.

• Most students found the paper NCERT-based and scoring.

• Biotechnology and Reproduction had the highest weightage in the paper.

• From Biotechnology, maximum questions were asked from Principles and Processes, including enzymes and PCR.

• Questions from Biotechnology and its Applications were also included.

• Reproduction chapter had many questions in the exam.

• Numerical-based question on Pollen Grain was asked.

• A question from Double Fertilization was included.

• Match-the-following questions were asked from hormones and the menstrual cycle.

• Reproductive Health included questions on non-medicated IUDs and match-the-following concepts.

• Genetics and Principles of Inheritance included disease-based match-the-following questions.

• More questions were asked from genetic diseases and inheritance concepts.

• Molecular Basis of Inheritance included basic questions from DNA replication.

• Questions from Human Evolution were asked.

• Human Health and Disease included match-the-following questions on drugs and diseases.

• Microbes in Human Welfare included questions on enzymes, acids, and chemicals.

• One question from Sewage Treatment Plant was asked.

• One question related to Bio-treatment Plant was also included.

• Organisms and Populations included questions from population interaction.

• Ecosystem chapter included questions on decomposition.

• Biodiversity and Conservation included data-based questions related to loss of biodiversity.

• Most questions were direct NCERT-based, but some required conceptual understanding and careful reading of options.

• Students who revised NCERT diagrams, tables, and examples found the paper easier to attempt.

CUET 2026 Biology Analysis - 14 May Shift 1

• Overall paper difficulty level was easy.

• Most students found the paper straightforward and NCERT-oriented.

• Nearly 90-95% of questions were directly based on NCERT Class 12 Biology lines.

• Questions mainly focused on direct conceptual understanding.

• Diagram-based questions had noticeable weightage in the paper.

• Option choices were closely framed to test deeper conceptual clarity.

• Many questions appeared familiar to students with thorough NCERT reading.

• The paper emphasized understanding of concepts rather than tricky application.

• NCERT line-by-line preparation proved highly beneficial.

• Students with strong textbook revision found the section scoring.

• Diagram interpretation and conceptual accuracy were important for selecting correct options.

• No major out-of-syllabus or highly unexpected questions were reported.

• The paper remained balanced and manageable within the given time.

Subject-wise CUET 2026 Exam Analysis PDF

Students can check and download the CUET UG 2026 Exam Analysis PDFs for different subjects from the table below. These PDFs and e-books are prepared only for exam analysis purposes using memory-based questions, student reactions, and expert analysis. The material helps aspirants understand the exam pattern, difficulty level, important topics, and question trends observed in the CUET UG 2026 examination.

CUET Biology Question Paper 2026 with Solutions PDF

The CUET Biology Question Paper 2026 with Solutions PDF will help students understand the latest CUET exam pattern, important topics, and question trends asked in the CUET Exam. After the examination, many students will search for the question paper and detailed solutions to calculate their expected scores and check their performance.

CUET UG 2026 Biology Memory-Based Questions

The CUET UG 2026 Biology Memory-Based Questions will help students understand the type of questions asked in the CUET Exam. These questions are prepared based on student feedback after the Biology examination. Memory-based questions help future aspirants to identify important topics from the CUET syllabus and improve preparation.

Q1. Consider the following statements regarding Phenylketonuria (PKU):

1. Phenylketonuria is an autosomal recessive disorder.

2. In this disorder, phenylalanine is converted into tyrosine normally.

3. Accumulation of phenylalanine and its derivatives can affect brain development.

4. The disorder occurs due to deficiency of the enzyme phenylalanine hydroxylase.

Choose the correct option:

A. Statements 1, 3 and 4 are correct

B. Statements 1 and 2 are correct

C. Statements 2 and 3 are correct

D. All statements are correct

Q2. The correct sequence of the formation of pollen grains is -

(A) Sporogenous tissue

(B) Formation of microspore

(C) Microspore tetrad formed by meiotic divisions

(D) Pollen grains develop from microspores

Choose the correct answer from the options given below:

(a) (A), (B), (C), (D)

(b) (A), (C), (B), (D)

(c) (B), (A), (D), (C)

(d) (C), (B), (D), (A)

Q3. Which of the following will have 46 chromosomes?

(a) Spermatogonium and secondary spermatocytes

(b) Spermatids and spermatozoa

(c) Secondary oocyte and oogonia

(d) Oogonia and spermatogonia

Q4. The menstrual flow results due to:

(A) Increased estrogen levels

(B) When released ovum is not fertilized

(C) When pregnancy occurs

(D) Breakdown of the endometrial lining of the uterus and its blood vessels

Choose the correct answer from the options given below:

(a) (A), (B), (C) and (D)

(b) (A), (C) and (D) only

(c) (A), (B) and (D) only

(d) (B) and (D) only

Q5. Which of the following does not constitute accessory duct of female reproductive system?

(a) Fallopian tubes

(b) Uterus

(c) Cervix

(d) Vagina

Q6. The female external genitalia include:

(A) Mons pubis

(B) Hymen

(C) Mammary ducts

(D) Clitoris

(E) Cervix

Choose the correct answer from the options given below:

(a) (A), (C) and (D) only

(b) (B), (D) and (E) only

(c) (A), (B) and (D) only

(d) (C), (D) and (E) only

Q7. The technique in which the semen collected either from the husband or the donor is artificially introduced into the uterus is known as -

(a) Gamete intra fallopian transfer

(b) Zygote intra fallopian transfer

(c) Intra cytoplasmic sperm injection

(d) Intra uterine insemination

Q8. Which of the following is INCORRECT statement?

(A) In IUDs, released Cu ions decreases sperm motility and increases fertilising capacity of sperms

(B) Multiload 375 is medicated IUD

(C) Lippes loop is non-medicated IUD

(D) LNG-20 is hormone releasing IUD

(E) Vault is an IUD

Choose the correct answer from the options given below:

(a) A & E only

(b) A, B and E only

(c) B & D only

(d) B & C only

Q9. Match List-I with List-II. Choose the correct answer from the options given below:

(a) A-IV, B-I, C-II, D-III

(b) A-III, B-IV, C-I, D-II

(c) A-II, B-I, C-III, D-IV

(d) A-I, B-III, C-IV, D-II

Q10: Arrange the following structures according to the pathway of pollen tube:

I. Stigma

II. Style

III. Micropyle

IV. Embryo sac

A. I → II → III → IV

B. II → I → III → IV

C. III → II → I → IV

D. IV → III → II → I

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