1. In which year was the first world environment day observed?

A. 1973
B. 1972
C. 1980
D. 1974
✅ The correct answer is option D.
The day was first observed in 1974 in the city of Spokane in the USA. In 1972, the United Nations General Assembly established the World Environment Day on the first day of the Stockholm Conference on the Human Environment. Two years later, in 1974 the first WED was held with the theme “Only One Earth”.

3. 19 August is observed as –

A. World day for War Orphans
B. United Nations Day for South-South Cooperation
C. World Humanitarian Day
D. International Human Solidarity Day
✅ The correct answer is option C.
World Humanitarian Day is observed annually on 19 August around the world to pay tribute to aid workers who risk their lives in humanitarian service. This day also honour the work of women in crises throughout the world.

4. The United Nations declared 21 – 27 March week as the –

A. Disarmament Week
B. Week of Solidarity with the Peoples Struggling against Racism and Racial Discrimination
C. Week of Solidarity with the Peoples of Non-Selfgoverning Territories
D. Peace Week
✅ The correct answer is option B.
The United Nations declared 21 – 27 March week as the Week of Solidarity with the Peoples Struggling against Racism and Racial Discrimination.

5. When is World Day for Water, recognized by the UN observed?

A. 25 January
B. 18 December
C. 22 March
D. 14 November
✅ The correct answer is option C.
World Water Day, held on 22 March every year since 1993, focuses on the importance of freshwater. World Water Day celebrates water and raises awareness of the 2.2 billion people living without access to safe water.

7. 21 February is celebrated as –

A. Self Injury Awareness Day
B. National Statistics Day
C. International Mother Language Day
D. World Population Day
✅ The correct answer is option C.
International Mother Language Day or Matribhasha Diwas is observed every year on 21 February to promote linguistic and cultural diversity and multilingualism around the world. The idea to celebrate International Mother Language Day first came from Bangladesh.

10. 20 November is observed as –

A. World day for War Orphans
B. Universal Children’s Day, recognized by the UN
C. World Autism Awareness Day, recognized by the UN
D. International Day for Biological Diversity, recognized by the UN
✅ The correct answer is option B.
World Children’s Day was first established in 1954 as Universal Children’s Day and is celebrated on 20 November each year to promote international togetherness, awareness among children worldwide, and improving children’s welfare.