State true/false in the following statements. Correct each false statements to make it true.
(i) The in-situ conservation strategies emphasise protection of whole ecosystem, therfore its biodiversity at all levels is protected.
(ii) Biodiversity hotspots put together cover 2.4% of the earth's land area.
(iii) In india, ecologically unique and biodiversity rich regions are legally protected as sanctuaries, national parks and biosphere reserves.
(iv) In Uttar Pradesh, the sacred groves are the last refuges for a large number of rare and threatened plants.

Explanation

### Step-by-Step Solution:

1. **Statement (i)**: "The in-situ conservation strategies emphasise protection of whole ecosystem, therefore its biodiversity at all levels is protected."
- **Evaluation**: This statement is **True**. In-situ conservation involves protecting the entire ecosystem, which in turn helps in preserving biodiversity at all levels.

2. **Statement (ii)**: "Biodiversity hotspots put together cover 2.4% of the earth's land area."
- **Evaluation**: This statement is **False**. Biodiversity hotspots actually cover less than 2% of the Earth's land area.
- **Correction**: The corrected statement should read: "Biodiversity hotspots put together cover less than 2% of the Earth's land area."
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