Concept:
Fundamental Duties are moral obligations of citizens mentioned in the Constitution of India.
These duties encourage citizens to promote patriotism, harmony, discipline, and national unity.
Step 1: Know where Fundamental Duties are mentioned.
Fundamental Duties are included in:
\[
\text{Article 51A}
\]
under:
\[
\text{Part IV-A of the Constitution}
\]
Step 2: Understand how they were added.
Fundamental Duties were added by the:
\[
42^\text{nd} \text{ Constitutional Amendment Act, 1976}
\]
Initially, there were:
\[
10
\]
Fundamental Duties.
Step 3: Know the present number of Fundamental Duties.
Later, the:
\[
86^\text{th} \text{ Constitutional Amendment Act, 2002}
\]
added one more duty related to providing education opportunities to children.
Thus, the total number became:
\[
11
\]
Step 4: Examples of Fundamental Duties.
Some important duties include:
• Respecting the Constitution
• Protecting national unity
• Safeguarding public property
• Protecting the environment
• Promoting scientific temper
Step 5: Conclusion.
Therefore, the correct answer is:
\[
\boxed{11}
\]