Concept:
CBSE is one of the most prominent educational boards in India. It functions under the Ministry of Education, Government of India, and is responsible for conducting examinations, prescribing curricula, and maintaining academic standards for affiliated schools.
Step 1: Expand the abbreviation.
The abbreviation CBSE stands for:
This is the official and universally accepted expansion.
Step 2: Understand its role.
CBSE is responsible for:
• Conducting Class X and XII examinations.
• Developing school curricula.
• Promoting quality education.
• Standardizing academic evaluation.
• Affiliation of schools across India and abroad.
Step 3: Examine the incorrect options.
``Central Board of Selective Education'' is not an official educational body.
``Central Board of School Education'' is not the recognized expansion.
``Central Body of School Education'' is also incorrect.
Only ``Central Board of Secondary Education'' matches the official name.
Step 4: Conclusion.
Therefore, the correct expansion of CBSE is Central Board of Secondary Education.
Hence, option (A) is correct.