Preparing for the CTET (Central Teacher Eligibility Test) exam requires a comprehensive understanding of the syllabus and regular practice. There are several books available in the market that focus on practice exercises and mock tests specifically designed for the CTET exam. These books can be helpful for candidates to assess their preparation level and become familiar with the exam pattern.

Here are a few popular books that focus on practice exercises and mock tests for the CTET exam:

1. "CTET Success Master Paper-I" by Arihant Experts:
- This book covers all the sections of Paper-I, including Child Development and Pedagogy, Language I and II, Mathematics, and Environmental Studies.
- It provides chapter-wise theory, practice exercises, and previous year's question papers.
- The book also includes five mock tests to help candidates assess their preparation level.

2. "CTET Success Master Paper-II" by Arihant Experts:
- This book is designed for candidates appearing for Paper-II of the CTET exam.
- It covers the sections of Child Development and Pedagogy, Language I and II, Mathematics and Science (for Mathematics and Science teachers), and Social Studies/Social Science (for Social Studies/Social Science teachers).
- The book includes chapter-wise theory, practice exercises, and previous year's question papers.
- It also provides five mock tests to help candidates evaluate their preparation.

3. "CTET Central Teacher Eligibility Test Practice Workbook" by Disha Experts:
- This book contains ample practice exercises for each section of the CTET exam.
- It includes solved examples, practice questions, and previous year's question papers.
- The book also provides five mock tests with detailed solutions for self-assessment.

4. "CTET & TETs Previous Years' Papers (for Paper I and II)" by RPH Editorial Board:
- This book contains a collection of previous years' question papers of the CTET and other TET exams.
- It helps candidates understand the exam pattern and the types of questions asked in previous years.
- Solving previous years' papers can give candidates an idea of the difficulty level and improve their time management skills.

These books are easily available in bookstores and online platforms like EduRev. Candidates can choose the one that suits their needs and preferences. It is always recommended to refer to multiple books and solve as many practice exercises and mock tests as possible to enhance preparation for the CTET exam.