Botany is a branch of biology that deals with the study of plants, their structure, function, growth, evolution, and classification. In class 11 biology, botany is one of the important topics that students learn. The chapters covered in botany are as follows:

1. The Living World: This chapter deals with the basic concepts of living organisms, classification systems, and nomenclature of plants.

2. Biological Classification: This chapter deals with the classification of plants, their characteristics, and evolution.

3. Plant Kingdom: This chapter deals with the division of the plant kingdom, the characteristics of each division, and their importance.

4. Morphology of Flowering Plants: This chapter deals with the external structure of plants, their modifications, and their functions.

5. Anatomy of Flowering Plants: This chapter deals with the internal structure of plants, their tissues, and their functions.

6. Structural Organization in Animals and Plants: This chapter deals with the different levels of organization in animals and plants.

7. Cell: Structure and Function: This chapter deals with the structure and function of plant cells, their organelles, and their importance.

8. Plant Physiology: This chapter deals with the physiological processes of plants, including photosynthesis, respiration, and transpiration.

9. Transport in Plants: This chapter deals with the transport of water, nutrients, and minerals in plants.

10. Photosynthesis in Higher Plants: This chapter deals with the process of photosynthesis, its importance, and its mechanism.

11. Respiration in Plants: This chapter deals with the process of respiration, its importance, and its mechanism.

In conclusion, botany is an important topic in class 11 biology, and the chapters covered in this subject cover a wide range of topics related to the structure, function, and growth of plants. Students who study these chapters will gain a better understanding of the complexity of the plant kingdom and its importance to the environment and human life.