CUET Biology Important Questions with Answers PDF Download

Overview: Every year, thousands of students appear for the CUET Biology exam, making it one of the most competitive science subjects. The CUET Biology important questions focus on high-weightage topics, previous year questions, and key concepts that will help you to prepare smartly and score higher in the CUET Biology 2026 examination.

Biology is an important subject in the CUET UG 2026 exam, especially for students aiming to get admission into top science colleges. The CUET Biology important questions are created from the latest syllabus and previous year papers to help you study smartly.

These questions include multiple-choice questions, short answers, and concept-based exercises that cover every major topic. By practicing them regularly, you can improve accuracy, revision speed, and exam confidence. The CUET Biology important questions and answers PDF will also help you to revise quickly and understand what types of questions are expected in CUET Biology 2026.

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What Are the CUET Biology Important Questions?

The important CUET Biology questions are a list of key questions made from the most asked topics in the previous exams. These questions will help you to learn what areas to focus on and how questions are framed.

Feature	Details
Covers All Topics	Includes all main chapter questions from the CUET Biology syllabus.
Exam-Focused	Questions picked from high-weightage topics and PYQs.
Different Types	MCQs, short questions, and concept-based examples.
Easy to Revise	Designed for quick understanding and fast revision.

Why CUET Biology Questions Are Important?

Practicing CUET Biology questions will help you to build strong concepts and perform better in the CUET exam. These questions show what kind of topics appear most often and help improve speed and accuracy.

• It will help you to understand the CUET exam pattern clearly.
• Improve memory and concept clarity through practice.
• Teach how to manage time during the real exam.
• Strengthen preparation with solved PYQs and MCQs.
• Build confidence before the final CUET Biology test.

Regular practice of important biology CUET questions makes revision easier and boosts final scores.

Download CUET Biology Important Questions with Answers PDF

Before downloading, here’s what you’ll find inside these Biology important questions PDFs. Each PDF is made to help you study better and prepare for the CUET exam in a simple and smart way.

What You’ll Get:

• Chapter-wise CUET Biology Important Questions and Answers based on the latest syllabus.
• Multiple-choice questions (MCQs), short answers, and solved examples for quick learning.
• Includes CUET Biology PYQ with solutions for extra practice.
• Clear explanations written in easy words for better understanding.
• Well-structured layout for fast revision before exams.

These Biology important questions PDFs are your complete study guide which will help you learn faster, revise easily, and score higher in CUET Biology 2026.

CUET Biology Important Questions	Download Links
CUET Biology - Set 1	Download PDF
CUET Biology - Set 2	Download PDF
CUET Biology - Set 3	Download PDF
CUET Biology - Set 4	Download PDF
CUET Biology - Set 5	Download PDF

CUET Biology Important Questions with Answers

1. The two parts of human insulin are joined by which bond?

a) Hydrogen bond

b) Phosphodiester bond

c) Covalent bond

d) Disulphide bridge

Answer: d) Disulphide bridge

Explanation: Insulin has two chains joined by disulphide bridges that keep it stable.

2. The water inside a tender coconut is called:

a) Endocarp

b) Mesocarp

c) Free nuclear proembryo

d) Free nuclear endosperm

Answer: d) Free nuclear endosperm

Explanation: Coconut water is the liquid food that helps the seed grow.

3. The gametophyte of bryophyte is:

a) Green and vascular

b) Independent and multicellular

c) Dependent on sporophyte

d) Foliose in nature

Answer: b) Independent and multicellular

Explanation: The gametophyte of bryophytes lives on its own and makes food by itself.

4. The leaf of Pinus is:

a) Needle-shaped

b) Compound

c) With many veins

d) Non-cutinised

Answer: a) Needle-shaped

Explanation: Pinus leaves are long and thin like needles to stop water loss.

5. Haemophilia is:

a) Recessive gene disorder

b) X-linked recessive gene disorder

c) Chromosomal disorder

d) Dominant gene disorder

Answer: b) X-linked recessive gene disorder

Explanation: It is a blood disease passed through the X chromosome.

6. The lung disease caused by smoking is:

a) Asthma

b) Emphysema

c) Respiratory acidosis

d) Respiratory alkalosis

Answer: b) Emphysema

Explanation: Smoking harms the lungs and causes breathing problems.

7. Which enzyme cuts DNA to make blunt ends?

a) Xho I

b) Hind III

c) Sal I

d) Eco RV

Answer: d) Eco RV

Explanation: Eco RV cuts DNA evenly from both the sides, forming blunt ends.

8. What happen when the body’s immune system attacks its own cells:

a) Allergy

b) Graft rejection

c) Auto-immune disease

d) Active immunity

Answer: c) Auto-immune disease

Explanation: In this disease, the body fights against its own healthy cells.

9. Which part of the nephron reabsorbs sodium?

a) Bowman’s capsule

b) Henle’s loop

c) Distal tubule

d) Proximal tubule

Answer: d) Proximal tubule

Explanation: The proximal tubule helps take sodium & water back into the body.

10. In which stage of meiosis does crossing over occurs?

a) Prophase I

b) Anaphase I

c) Prophase II

d) Anaphase II

Answer: a) Prophase I

Explanation: At this stage, chromosomes exchange parts to create variation.

11. The best place to study mitosis is:

a) Root tip

b) Zygote

c) Spore cell

d) Gametocyte

Answer: a) Root tip

Explanation: Cells in root tips divide quickly, so they are best to see mitosis.

12. Plasmids are:

a) Independent DNA

b) Circular

c) Double-stranded

d) All of these

Answer: d) All of these

Explanation: Plasmids are small, circular DNA pieces found in bacteria.

13. Microtubules are found in:

a) Cilia, flagella & centrioles

b) Ribosomes

c) Nucleus

d) Mitochondria

Answer: a) Cilia, flagella, and centrioles

Explanation: They help cells move & divide during cell growth.

14. The eye’s light-sensitive part is made of:

a) Guanosine

b) Retinol

c) Opsin and retinal

d) Transductin

Answer: c) Opsin and retinal

Explanation: These make a pigment called rhodopsin that helps us see in dim light.

15. The term polyadelphous refers to:

a) Corolla

b) Calyx

c) Androecium

d) Gynoecium

Answer: c) Androecium

Explanation: Polyadelphous means stamens are united into several bundles by their filaments.

16. Free-central placentation is found in which of these:

a) Brassica

b) Citrus

c) Dianthus

d) Argemone

Answer: c) Dianthus

Explanation: In this type, ovules are attached to the middle column of the ovary.

17. The Avena curvature test is used for the bioassay of:

a) ABA

b) GA₃

c) IAA

d) Ethylene

Answer: c) IAA

Explanation: The test measures auxin (IAA) activity based on the curvature of oat coleoptiles.

18. In bacteria, DNA is present as:

a) Nucleus

b) Nucleoid

c) Nucleolus

d) Nucleosome

Answer: b) Nucleoid

Explanation: Bacteria don’t have a true nucleus, their DNA lies in the nucleoid region.

19. Chromosomes are best seen during which stage?

a) Prophase

b) Metaphase

c) Interphase

d) Telophase

Answer: b) Metaphase

Explanation: In metaphase, chromosomes are short, thick & easy to observe.

20. The process that causes variation in organisms is:

a) Anaphase II

b) Telophase I

c) Prophase I

d) Metaphase II

Answer: c) Prophase I

Explanation: Crossing over in Prophase I mixes genes and creates new combinations.

Features of Biology Important Questions with Answers

The CUET Biology important questions and answers can be very helpful for you throughout your exam preparation. These questions are designed to make learning easy and organized. The questions are based on the latest CUET syllabus and will help you to focus on high-weightage topics.

• All important CUET Biology questions are available in one place.
• Each question is prepared by expert teachers with years of experience.
• Includes CUET Biology Important Questions PDF for free download.
• Covers CUET previous year questions with solutions for better understanding.
• Contains MCQs, short, and long questions based on the CUET pattern.
• Each answer is written in simple language for quick learning.
• The material is well-organized and easy to revise.

These features make the CUET Biology chapterwise questions perfect for daily practice and exam preparation.

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Benefits of CUET Biology Important Questions and Answers

The CUET important Biology questions and answers are one of the most useful tools for CUET aspirants. Practicing these questions will help you to understand topics clearly and prepare confidently for the final exam.

• It will help you in revising all the important CUET Biology topics easily.
• Improves memory, speed, and accuracy through regular practice.
• Increases focus and builds confidence before the CUET exam.
• Each question is explained properly for better concept clarity.
• CUET Biology important questions PDF is very helpful for last-minute revision.
• These questions are based on the latest CUET syllabus and exam pattern.
• Helps students score higher marks with less stress.
• Works as a complete CUET Biology study material for preparation.

By studying these questions, students can understand concepts better and perform well in the CUET Biology 2026 exam.

Preparation Tips for CUET Biology Questions 2026

To perform well in the CUET 2026 exam, students should prepare with proper planning and practice. The CUET Biology Important Questions PDF and CUET Biology Preparation Notes can make preparation easier and more effective.

• First, understand the full CUET Biology syllabus and exam pattern.
• Study all the chapters using important questions and notes.
• Practice CUET Biology PYQs with solutions to know question types.
• Download and revise the CUET Biology Important Questions PDF regularly.
• Use the CUET Biology MCQ PDF for daily self-assessment.
• Make short notes of definitions, formulas, and diagrams.
• Give mock tests weekly to check your speed and accuracy.
• Revise important chapters and high-weightage topics daily.
• Join CUET Supergrads Coaching for expert guidance and doubt-solving.
• Stay calm, study consistently, and focus on understanding rather than memorizing.

Following these simple tips with the right CUET Biology study material will help you stay confident and score high in CUET Biology 2026.

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Key Takeaways

The CUET Biology Important Questions will help you to prepare in a focused and effective way for the CUET 2026 exam. These questions cover all important topics from the syllabus, making revision faster and will help you to build confidence before the final exam.

• Practice CUET Biology important questions regularly to understand key topics better.
• Revise with short notes and solved examples for quick learning.
• Attempt CUET mock tests to improve your time management skills and accuracy.
• Join CUET Supergrads Coaching for expert help and proper guidance.