NCERT Solutions for Class 11 Biology

As a Class 11 Biology student, understanding the intricacies of life and its various processes is crucial for building a strong foundation in this subject. The Gurukul By Oswal has developed comprehensive NCERT solutions that provide students with a clear understanding of the concepts covered in the Class 11 Biology syllabus.

Biology is a diverse and dynamic subject that involves the study of living organisms and their interactions with the environment. It is a vital component of the science curriculum and holds significant importance in various competitive exams.

As students progress to Class 11, the complexity of the subject increases, and it becomes imperative to have access to reliable study materials that provide comprehensive solutions to the questions and problems encountered in Biology.

From medical and healthcare professions to research, conservation, and more, there are numerous career paths to explore after studying Biology in Class 11. For students looking to make a career as a zoologist, for planning to give a competitive exam and study abroad, strengthening your basics is very important.

Class 11 Biology NCERT Solutions

Get comprehensive and reliable Gurukul By Oswal NCERT Solutions for Class 11 Biology that covers chapter briefs, CBSE chapter-wise marks weightage, key features, and FAQs to ace your exams. Read on to get a comprehensive understanding of Class 11 Biology NCERT Solutions that will help you prepare for boards 2025.

On this page, you’ll learn more about class 11 Biology chapters, class 11 Biology chapters list, all chapters of Bio class 11, which is the best NCERT Biology class 11 book, how many chapters in Biology class 11 will come in 2025 exam, 11th Biology guide, CBSE class 11 Biology solutions and where to find NCERT Bio class 11 solutions pdf, which class 11 Bio book to refer to and important class 11 Bio questions that might be asked in upcoming board exam along with FAQs on class 11 Biology NCERT Solutions.

CBSE Class 11 Biology Chapter-wise Marks Weightage

The CBSE Class 11 Biology chapter-wise marks weightage is a valuable resource that helps students prioritize their studies based on the weightage of marks assigned to each chapter. Understanding the weightage of marks allotted to each chapter is crucial for effective exam preparation.

This empowers students to focus and prioritize important chapters and allocate their time and efforts accordingly, ensuring a strategic and well-organized approach to exam preparation.

The CBSE Class 11 Biology NCERT Solutions chapter-wise marking are:

Unit Marks
Unit I - I Diversity of Living Organisms 10
Unit II - Structural Organization in Plants and Animals 15
Unit III - Cell: Structure and Function 15
Unit IV - Plant Physiology 12
Unit V - Human Physiology 18
Total 70

NCERT Solutions for Class 11 Biology Chapter Brief

Class 11 Biology NCERT Solutions cover a wide range of topics, including the diversity of living organisms, structural organization in plants and animals, cell structure and functions, plant physiology, animal physiology, and more.

Class 11 biology chapter list is carefully curated to provide a step-by-step explanation of the concepts, along with relevant examples, illustrations, and diagrams that aid in easy comprehension. Here are class 11 biology all chapter names.

The chapter briefs of Class 11 Biology NCERT Solutions provide a comprehensive overview of the topics covered in each chapter, allowing students to get a clear picture of what to expect and prepare accordingly. There are 22 chapters, divided into 5 units as per CBSE’s 2024-25 board syllabus. Here are the details of each Bio Chapter:

Chapter 1: The Living World 
1st Bio class 11 chapter introduces students to the concept of living organisms and their classification. It covers topics such as biodiversity, classification systems, and taxonomical aids.

Chapter 2: Biological Classification 
Delve deeper into the classification of living organisms based on various characteristics such as cell structure, mode of nutrition, and evolutionary relationships.

Chapter 3: Plant Kingdom 
In this chapter, students learn about the diversity of plant species and their classification. Topics such as algae, bryophytes, pteridophytes, gymnosperms, and angiosperms are covered in detail. (Topics excluded as per 2025 board exam – Angiosperms, Plant Life Cycle and Alternation of Generations)

Chapter 4: Animal Kingdom 
It covers topics such as classification based on body organization, symmetry, coelom, and evolutionary relationships.

Chapter 5: Morphology of Flowering Plants 
This chapter deals with the study of the external and internal structure of flowering plants. The NCERT bio class 11 Solutions provide a comprehensive analysis of the morphology of flowering plants.

Chapter 6: Anatomy of Flowering Plants 
In 11th biology, students learn about the internal structure of flowering plants. Topics such as tissues, tissue systems, and their functions are covered in detail.

Chapter 7: Structural Organisation in Animals 
Biology class 11 questions and answers of this chapter focus on the different levels of organization in animals, ranging from the cellular level to organ systems.

Chapter 8: Cell: The Unit of Life 
One of the most important biology topics for class 11, students learn about the basic structural and functional unit of life - the cell.

Chapter 9: Biomolecules 
As per the class 11 biology index, this chapter deals with the study of different types of biomolecules, such as carbohydrates, proteins, nucleic acids, and lipids.

Chapter 10: Cell Cycle and Cell Division
This chapter of NCERT Solutions 11th biology guide covers mitosis, meiosis, and cell cycle regulation, and their importance is covered in detail. The class 11 biology NCERT solutions provide more info about this.

Chapter 13: Photosynthesis in Higher Plants 
If you’ve gone through the NCERT class 11 biology solutions pdf, you’ll know that this chapter deals with the process of photosynthesis in detail.

Chapter 14: Respiration in Plants 
All chapters in biology class 11 are important but this is the most crucial as it forms the basis for students to understand the process of respiration in plants, which involves the release of energy from food.

Chapter 15: Plant Growth and Development 
This is one of the chapters in biology class 11 that focuses on the process of growth and development in plants.

Chapter 17: Breathing and Exchange of Gases 
The 11th science Biology chapter deals with the process of breathing and the exchange of gasses in humans. Important Biology class 11 topics are the respiratory system, mechanism of breathing, and transport of gasses in the blood.

Chapter 18: Body Fluids and Circulation 
As the second-most important Biology 11th chapters, this one covers the human circulatory system in detail. This chapter from the NCERT 11 Biology Solutions provides a thorough understanding of the Structure of the human heart and cardiac cycle.

Chapter 19: Excretory Products and their Elimination 
As per the 11th biology chapter list, this chapter focuses on the process of excretion and elimination of waste products from the human body.

Chapter 20: Locomotion and Movement 
If you’ve referred to any Biology textbook for class XI, you’ll read about the skeletal system and the muscular system in humans in this NCERT Solutions for class 11 biology.

Chapter 21: Neural Control and Coordination 
The 21st chapter in Biology 11th solutions deals with the nervous system and the endocrine system in humans, including topics such as the structure and functions of neurons, transmission of nerve impulses, and coordination through hormones.

Chapter 22: Chemical Coordination and Integration 
CBSE Biology class 11 covers glands, hormones, and their functions. Topics such as hormonal disorders, control and coordination of different physiological processes, and homeostasis are covered in detail. Refer to class 11 biology exercise solutions for more details.

Key Features of Class 11 Biology NCERT Solutions

Class 11 Biology NCERT Solutions come with several key features that make them a preferred choice among students and teachers alike. Some of the prominent features of these solutions are:

  1. Comprehensive Coverage: Class 11 Biology NCERT Solutions covers all the topics and concepts prescribed in the CBSE syllabus. The solutions provide a detailed explanation of each topic, ensuring a thorough understanding of the subject matter.
  2. Easy Language and Lucid Explanation: The solutions are written in simple language, which makes them easy to understand for students of all levels. The straight explanation helps students grasp the concepts with ease, eliminating any confusion.
  3. Based on the latest 2024-25 CBSE curriculum: The solutions are based on the latest CBSE curriculum and guidelines, ensuring that students are well-prepared for their exams and score high marks. Prepare strategically and smartly for your board in 2025.
  4. Visual Aids: The class 11 biology NCERT solutions are enriched with relevant illustrations, diagrams, and examples that aid in visual learning. These visual aids make the concepts more relatable and understandable, helping students retain the information better
  5. Structured Format: The solutions follow a structured format, starting with an introduction, followed by step-by-step explanations, and concluding with a summary. This organized approach makes it easy for students to navigate through the Biology class 11 questions and answers and locate the information they need quickly.
  6. In-depth Analysis: The solutions provide an in-depth analysis of each topic, covering all possible angles and perspectives. This helps students develop a holistic understanding of the subject and fosters critical thinking skills.
  7. Practice Questions: Class 11 Biology NCERT Solutions come with a wide range of practice questions that help students evaluate their understanding of the concepts. CBSE class 11 biology solutions are designed to test the students' knowledge and application of the concepts, helping them support their learning and gain confidence.

FAQs on Class 11 Biology NCERT Solutions

Ans: A: NCERT Solutions for Class 11 Biology provide a strong foundation for exam preparation. However, it is also important to practice additional questions, refer to other study materials, and solve sample papers to thoroughly prepare for exams.

Ans: A: Yes, NCERT Solutions for Class 11 Biology are available online on various educational websites. They can be easily accessed and downloaded for free

Ans: To use class 11 biology NCERT solutions effectively, students should read the chapter from the NCERT textbook, attempt the exercises on their own, and then refer to the solutions for self-assessment. They should also practice additional questions and solve sample papers to strengthen their understanding and exam preparation.

Ans:  Yes, NCERT Solutions for Class 11 Biology provide a strong foundation for competitive exams such as NEET, AIIMS, and other medical entrance exams. They cover the basic concepts and topics required for these exams and can be used as a reference for exam preparation.

Ans: NCERT Solutions for Class 11 Biology are comprehensive and reliable resources that can help students excel in their biology studies. They cover all the chapters and exercises as per the CBSE curriculum, provide in-depth explanations, and allow for self-assessment. By using NCERT 11 biology solutions effectively along with additional practice and study materials, students can strengthen their 2025 board preparation.

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