1452. When is World Day of Peace observed?

A. 21 September
B. 24 January
C. 24 October
D. 14 November
✅ The correct answer is option A.
Each year the International Day of Peace is observed around the world on 21 September. The UN General Assembly has declared this as a day devoted to strengthening the ideals of peace, through observing 24 hours of non-violence and cease – fire.

1453. 8 March is celebrated as –

A. World Vegan Day
B. World Food Day
C. International Women Day
D. World Consumer Rights Day
✅ The correct answer is option C.
In 1945, the Charter of the United Nations became the first international agreement to affirm the principle of equality between women and men. The UN celebrated its first official International Women’s Day on 8 March during International Women’s Year in 1975.

1456. Acid rain mainly result from

A. Sulfur dioxide
B. Carbon dioxide
C. Carbon monoxide
D. Ammonia
✅ The correct answer is option A.
Acid rain is caused by emissions of sulfur dioxide and nitrogen oxide, which react with the water molecules in the atmosphere to produce acids. … Nitrogen oxides can also be produced naturally by lightning strikes, and sulfur dioxide is produced by volcanic eruptions.

1457. What is UNCED?

A. United Nations Conference on Education,
B. United Nations Conference on Environmental Day
C. United Nations Conference on Environment and Development
D. None of these
✅ The correct answer is option C.
The United Nations Conference on Environment and Development (UNCED), also known as the Rio de Janeiro Earth Summit, the Rio Summit, the Rio Conference, and the Earth Summit (Portuguese: ECO92), was a major United Nations conference held in Rio de Janeiro from 3 to 14 June in 1992.