World Forest day is celebrated on

21st March
5th June
1st Dec
7th June

The correct answer is: B. 5th June

World Forest Day is celebrated on 5th June every year. It is a day to raise awareness about the importance of forests and the need to protect them. Forests play a vital role in the Earth’s ecosystem, providing us with oxygen, clean water, and a home for many different plants and animals. They also help to regulate the climate and protect us from natural disasters.

Option A: 21st March is World Water Day.

Option C: 1st December is World AIDS Day.

Option D: 7th June is World Environment Day.