Tamil Nadu Class 11 Zoology Syllabus 2027: Chapter-Wise List

The Tamil Nadu Class 11 Zoology syllabus 2026–27 covers five units and 12 chapters, introducing students to animal diversity, structural organisation, human physiology, body coordination and economic zoology. Each unit covers different aspects of animal life and the functioning of the human body, helping students build a foundation in Biology.

Knowing the chapter-wise syllabus helps students organise their study schedule, identify topics that require more revision and track their progress throughout the academic session. Students can also refer to the syllabus PDF, exam pattern and previous year question papers to plan their preparation for the Tamil Nadu State Board Class 11 examinations.

Tamil Nadu Class 11 Zoology Syllabus 2026–27 Overview

Zoology is the animal science part of Class 11 Biology. The Tamil Nadu Class 11 Zoology syllabus 2026–27 moves from animal groups to body structure, then to body systems and finally to useful animals. The table shows the five units and the number of chapters in each one.

In total, Zoology has 12 chapters. Human Physiology has five of them, so it needs the most revision time. Students who want to explore all the subjects together can read the full Tamil Nadu Class 11 syllabus.

Tamil Nadu Class 11 Zoology Syllabus: Chapter-Wise Details

The Tamil Nadu State Board Class 11 Zoology syllabus is easy to follow when you read it unit by unit. Each unit builds on the one before it, so it is best to study in the same order.

Unit 1: Animal Diversity

This unit shows how living things and animals are grouped. It has two chapters:

• The Living World

• Kingdom Animalia

Unit 2: Structural Organisation

This unit explains how animal bodies are built, from tissues to organ systems. It has two chapters:

• Tissue Level of Organisation

• Organ and Organ Systems in Animals

Unit 3: Human Physiology

This unit explains how the human body works. It has five chapters:

• Digestion and Absorption

• Respiration

• Body Fluids and Circulation

• Excretion

• Locomotion and Movement

Unit 4: Neural and Chemical Coordination

This unit looks at how the body sends signals and controls its actions. It has two chapters:

• Neural Control and Coordination

• Chemical Coordination and Integration

Unit 5: Economic Zoology

This unit has one chapter:

• Trends in Economic Zoology

The 11th Zoology syllabus Tamil Nadu State Board students follow is the same for every school that uses the State Board books. After finishing a chapter, practise with Tamil Nadu Class 11 Zoology PYQs to see how questions are asked.

Tamil Nadu Class 11 Zoology Syllabus PDF Download

The Tamil Nadu Class 11 Zoology syllabus PDF lists the units and chapters in one file, so you do not need to search through the textbook each time. 

Download Tamil Nadu Class 11 Zoology Syllabus PDF