In an inclusive classroom the teacher :

The correct option is Modifies the curriculum and pedagogical strategies to suit varied needs of children.

Understanding Inclusive Education:
Inclusive education is an educational approach that ensures all students, regardless of their physical, cognitive, social, emotional, linguistic, or other conditions, learn together in the same classroom. Instead of forcing the child to fit into the existing system, an inclusive framework adapts the system to accommodate the diverse needs of every learner.

Step-by-Step Analysis of Options:

1. Modifies the curriculum and pedagogical strategies to suit varied needs of children:
This is the fundamental principle of inclusive teaching. Teachers use differentiated instruction, adaptive learning materials, flexible assessment methods, and varied teaching styles so that every student can access learning effectively.

2. Tries to encourage children to do better by promoting competitive spirit:
Promoting competition can lead to anxiety, low self-esteem, and exclusion, especially for children with special learning needs or lower proficiency levels. Inclusive classrooms emphasize cooperation and individual growth rather than competition.

3. Identifies ‘deficits’ in children and correctly labels them:
Labeling children based on deficits fosters stigma and deficit-based thinking. Inclusive pedagogy focuses on student strengths and potential, rather than reducing children to medical or academic labels.

4. Segregates children based on differing academic capabilities:
Segregation is the exact opposite of inclusion. An inclusive classroom integrates learners of varying abilities together, encouraging peer learning and equal participation.

Conclusion:
Therefore, in an inclusive classroom, a teacher actively modifies curriculum and teaching strategies to fulfill the diverse needs of all learners.