Chapter 7 Structural Organization in Animals

The 7th chapter of NCERT notes for Class 11 Biology is Structural Organisation in Animals.The chapter aims to provide students with a comprehensive understanding of the structure of humans and animals. Also, the NCERT notes for Class 11 are based on the most recent CBSE syllabus.

The NCERT notes for Class 11 Biology presented in this article offer in-depth answers to all the exercise questions from the chapter ‘Structural Organisation In Animals’. Similarly, the Class 11 NCERT notes for Biology aim to clarify doubts and strengthen the basics. The academicians of Vidyakul have compiled more than 500 questions from over 40 books to assist students in practicing and mastering their concepts.

CBSE CLASS 11 BIOLOGY CH-7

Points to Remember

We have highlighted important points to remember for Class 11 Biology Chapter 7. Therefore, students can refer to these points while preparing for a quick revision.

• A tissue is defined as a group of cells and intercellular substances performing one or more bodily functions.

• Four basic animal tissue types are epithelial, connective, muscular, and nervous tissue.

• Connective tissue is the most abundant and widely distributed tissue in the body.

• Tendons and ligaments are specialized types of fibrous connective tissues.

• The body of a cockroach is covered with a chitinous exoskeleton and is divided into the head, thorax, and abdomen.

• Females produce 10-40 ootheca-bearing development embryos.

Topics and Sub-topics

The structural organization of an animal tells us about the mechanisms and processes in the animal's body. Students can access the Biology Year 7 Chapter and notes of 7 Chapter here. In fact, Vidyakul experts have created a simple and clear notes to help students in their learning process.

NCERT Biology Class 11 notes Chapter 7 covers important topics such as the tissue level of the human body, epithelial tissue, muscle and nerve tissue. You can also practice each subject in Vidyakul's practice section to understand your level. 

The table below lists the important topics of this chapter.

Exercise	Topics
7.1	Animal Tissues
7.1.1	Epithelial Tissue
7.1.2	Connective Tissue
7.1.3	Muscle Tissue
7.1.4	Neural Tissue
7.2	Organ and Organ System
7.3	Earthworm
7.3.1	Morphology
7.3.2	Anatomy
7.4	Cockroach
7.4.1	Morphology
7.4.2	Anatomy
7.5	Frogs
7.5.1	Morphology
7.5.2	Anatomy

Frequently Asked Questions

• What are the main types of tissues?

1. Connective tissue 2. Epithelial tissue 3. Muscle tissue 4. Nervous tissue

• What are the benefits of tissue in the human body?

Tissues have several functions in our human body. They are responsible for carrying oxygen, blood and other necessary materials to various organs.

• How to score high grades in this chapter?

Practise diagrams and keep revising till before the exam. Remember important points and mention those in the exam.

Practice Questions

1. Discuss the structure of Haversian System in the histology of bone?

2. Distinguish between smooth and striated muscles?

3. How does blood get coagulated on coming out from an injured vessel. How coagulation is normally prevented uninjured vessels.

4. What is special about tissue present in the heart?

5. Explain the digestive system of Cockroach with the help of a labelled sketch.

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