World Biodiversity day is

Options

A. A.`"April" 22`
B. B.`"June" 5`
C. C.`"September" 16`
D. D.`"May" 22`

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the date of World Biodiversity Day. We need to identify the correct date from the given options.

2. **Analyzing the Options**: The options provided are:
- A) April 22
- B) June 5
- C) September 16
- D) May 22

3. **Background Information**: World Biodiversity Day is related to the concept of biodiversity, which refers to the variety of life on Earth, including plants, animals, and microorganisms.

4. **Historical Context**: The celebration of World Biodiversity Day began in 1993, and for the first seven years, it was observed on December 29.

5. **Change of Date**: In the year 2000, the date for World Biodiversity Day was changed to May 22.

6. **Conclusion**: Based on the historical context and the change of date, the correct answer is option D) May 22.

**Final Answer**: World Biodiversity Day is celebrated on May 22 (Option D).

---