In a national park, protection is provided to
(a) flora and fauna
(b) entire ecosystem
(c) fauna only
(d) flora only

Options

A. flora and fauna
B. entire ecosystem
C. fauna only
D. flora only

Explanation

To solve the question regarding what protection is provided in a national park, we can analyze the options step by step.

### Step-by-Step Solution:

1. **Understanding National Parks**: National parks are designated areas meant for conservation purposes. They are established to protect natural environments and wildlife.

2. **Types of Protection**: In a national park, the primary focus is on the conservation of living organisms, which includes both plants (flora) and animals (fauna).

3. **Evaluating the Options**:
- **Option (a) Flora and Fauna**: This option suggests that both plant and animal life are protected, which aligns with the purpose of national parks.
- **Option (b) Entire Ecosystem**: While national parks do contribute to ecosystem health, the primary legal protection is for flora and fauna specifically, not the entire ecosystem.
- **Option (c) Fauna Only**: This option is incorrect as it excludes flora, which is also protected.
- **Option (d) Flora Only**: This option is also incorrect as it excludes fauna.

4. **Conclusion**: Based on the understanding of what national parks are established for, the correct answer is **(a) flora and fauna**. National parks aim to conserve both plant and animal species within their boundaries.

### Final Answer:
(a) flora and fauna